List of Electronic Components products
- classification:Electronic Components
1~45 item / All 26273 items
Reduce the workload from handling heavy objects! Here are five case studies that solved customer challenges! We are also accepting free consultations and tests tailored to your work!
- Other conveying machines
Presentation of explanatory materials on JIS and ISO standards. We propose suitable safety barriers from a rich product series! Free rental of demo kits.
- Other safety and hygiene products
Custom-made transformers ideal for imported equipment from overseas: Industrial Equipment Edition
- Transformers
- transformer
- Inductor Coil
We will be exhibiting at the 'Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)' at the Nikkou Electric Sendai Sales Office booth!
The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City
[Coverage] Results of the exhibition! Collected 447 surveys over the 3-day event at one booth! (Nikko Electric Co., Ltd., Custom Transformer Manufacturer)
- Exhibition planning/construction
- Transformers
- Inductor Coil
We will be exhibiting at the 'Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)' at the Nikkou Electric Sendai Sales Office booth!
The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City
[Video] Introducing Nichiko Electric's company, products, and factory in a video (Custom Transformer Manufacturer Nichiko Electric Co., Ltd.)
- Transformers
- transformer
- Inductor Coil
We will be exhibiting at the 'Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)' at the Nikkou Electric Sendai Sales Office booth!
The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City
Recommended for beginners! E6 series inductors
- Inductor Coil
- Capacitor
- Resistors
We will be exhibiting at the 'Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)' at the Nikkou Electric Sendai Sales Office booth!
The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City
[Coverage] Examples of Utilizing Exhibitions! Experience with Winding and Friends on SNS, Appearance of NIKKO-chan (Custom Transformer Manufacturer NIKKO Electric Co., Ltd.)
- Exhibition planning/construction
- Transformers
- transformer
We will be exhibiting at the 'Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)' at the Nikkou Electric Sendai Sales Office booth!
The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City
Amorphous Dry Transformer by Nikkodenki, a transformer for the decarbonization era! Reducing power costs! Reducing greenhouse gas emissions!
- Transformers
- transformer
- UPS/Uninterruptible Power Supply
We will be exhibiting at the 'Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)' at the Nikkou Electric Sendai Sales Office booth!
The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City
背の低いトランスを設置したい! 装置の重量を軽くしたい! 鉄心巻き込み作業の効率化に貢献します。
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
Transformer reactor using ferrite core
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
Custom-made low-frequency transformers (voltage converters) and reactors (stacked core type and cut core type) tailored to customer use.
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
Large transformers and reactors tailored to customer specifications. They are widely used in renewable energy generation such as solar power and wind power.
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
Custom-made cut-core transformers tailored to customer specifications. The compact and lightweight design improves workability and efficiency during implementation.
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
狭いスペースにトランスを設置可能!省スペース・軽量・高効率を実現
- transformer
Pre-registration for the Techno Frontier 2022, the 37th Power System Exhibition, where Nichidenki will be exhibiting, has begun from July 20 (Wednesday) to July 22 (Friday).
Nihon Kiko will be exhibiting at Techno Frontier 2022, the 37th Power System Exhibition, and pre-registration for visitors has begun. This exhibition requires "pre-registration" for attendance. After pre-registering, please download the "Visitor Badge Exchange Ticket" from your visitor My Page, print it out, and bring it to the venue. You can register for attendance at the following URL: https://www.jma-onlineservice.com/7all/jp_tfif/registration.php Exhibition: "TECHNO-FRONTIER 2022, the 37th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 20 (Wednesday) - 22 (Friday), 2022 Time: 10:00 AM - 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 2H-20
A transformer that achieves space-saving, lightweight, and high efficiency! Comparison data is also included! (Compared to our products)
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
No joints, minimal leakage flux! A structure where the primary winding, secondary winding, and core are separately insulated!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Harmonic mitigation products, including options in cases, are available! They are used in solar power and wind power generation!
- Other electronic parts
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
A high-end transformer boasting excellent efficiency and voltage fluctuation rate, with low leakage and space-saving design!
- Inductor Coil
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Years of accumulated technology and know-how! We can also accommodate requests for casters and floor levelers!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
We respond to a wide range of needs from OA machines to electronic devices and power equipment! We realize new dreams.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Maximize iron core performance with no cuts! Introducing a low-cost, high-insulation transformer.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Significantly contributes to energy conservation! Published the dimension table for the coil bobbin type wound iron core transformer "NCW Transformer"!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Compact, lightweight, slim, and high-efficiency! A dimensional table for the coil bobbin type iron core transformer "NCW Transformer" is now available!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
"Single-phase insulated transformer" and "three-phase insulated transformer" dimension tables are published! Please use them for product consideration.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
The shape can be discussed separately! Introducing the manufacturing range of single-phase transformers, three-phase transformers, and reactors.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
If you have any issues with procuring parts or materials, please contact Nikko Electric.
- Other electronic parts
- Crimp Terminal
- Switchboard
【Nihon Kōdenki Exhibition Information】First exhibition in Osaka! JECA FAIR 2025 73rd Electrical Industry Exhibition (May 28 (Wed) - 30 (Fri), 2025 @ Intex Osaka) will be exhibited.
We are pleased to announce that our company will be exhibiting at the "JECA FAIR 2025 73rd Electrical Industry Exhibition," which will be held at Intex Osaka from May 28 (Wednesday) to May 30 (Friday). We kindly invite you to visit our booth during this event, and we look forward to welcoming you despite your busy schedule. Exhibition: "JECA FAIR 2025 73rd Electrical Industry Exhibition" (https://www.jecafair.jp/) Date: May 28 (Wednesday) to May 30 (Friday), 2025 Time: 10:00 AM to 5:00 PM (Opening at 10:30 AM on the first day and closing at 4:30 PM on the last day) Location: Intex Osaka, Halls 2, 3, 4, and 5 Address: 1-5-102 Nanko-Kita, Suminoe-ku, Osaka 559-0034 Booth No.: Hall 2, 2-69
A high-end transformer that achieves excellent efficiency and voltage fluctuation rate, with low leakage and space-saving design. Compatible with everything from automatic winding to complex specifica...
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
狭いスペースにトランスを設置したい!省スペース・軽量・高効率を実現
- transformer
TECHNO-FRONTIER 2021 36th Power System Exhibition Participation Announcement (Tohoku Region Transformer Manufacturer Nikkou Electric Co., Ltd.)
We will be exhibiting at the "TECHNO-FRONTIER 2021 36th Power System Exhibition." (https://jma-tf.com/real/) Date: June 23 (Wednesday) to June 25 (Friday), 2021 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, Aomi Exhibition Hall, 1-2-33 Aomi, Koto-ku, Tokyo Booth: BD-16 Nikkodenki consistently handles the design, manufacturing, and sales of transformers, coils, and reactors domestically. We offer a wide range of transformers (voltage converters), including compact and lightweight energy-saving NCW transformers, complex toroidal transformers, large commercial transformers, and large reactors (copper strip wound) used in solar and wind power generation. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkodenki. We will propose the optimal transformer through discussions with our customers. http://www.nikkodenki.com
Exhibiting at the "New Manufacturing and New Services Exhibition for Small and Medium Enterprises"! NCW3000 (3000VA) is also under development! Can be installed in narrow spaces.
- transformer
Pre-registration for the Techno Frontier 2022, the 37th Power System Exhibition, where Nichidenki will be exhibiting, has begun from July 20 (Wednesday) to July 22 (Friday).
Nihon Kiko will be exhibiting at Techno Frontier 2022, the 37th Power System Exhibition, and pre-registration for visitors has begun. This exhibition requires "pre-registration" for attendance. After pre-registering, please download the "Visitor Badge Exchange Ticket" from your visitor My Page, print it out, and bring it to the venue. You can register for attendance at the following URL: https://www.jma-onlineservice.com/7all/jp_tfif/registration.php Exhibition: "TECHNO-FRONTIER 2022, the 37th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 20 (Wednesday) - 22 (Friday), 2022 Time: 10:00 AM - 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 2H-20
As of April 1, 2022, Nikko Electric Co., Ltd.'s headquarters in Watari has switched all its electricity to 100% renewable energy (CO2-free electricity).
- transformer
Pre-registration for the Techno Frontier 2022, the 37th Power System Exhibition, where Nichidenki will be exhibiting, has begun from July 20 (Wednesday) to July 22 (Friday).
Nihon Kiko will be exhibiting at Techno Frontier 2022, the 37th Power System Exhibition, and pre-registration for visitors has begun. This exhibition requires "pre-registration" for attendance. After pre-registering, please download the "Visitor Badge Exchange Ticket" from your visitor My Page, print it out, and bring it to the venue. You can register for attendance at the following URL: https://www.jma-onlineservice.com/7all/jp_tfif/registration.php Exhibition: "TECHNO-FRONTIER 2022, the 37th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 20 (Wednesday) - 22 (Friday), 2022 Time: 10:00 AM - 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 2H-20
We want to use high-efficiency transformers" and "We want to use energy-saving type transformers.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
We want to install a transformer in a small space" and "We want to install a low-profile transformer.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
"We want to reduce the total weight of the device" and "We don't want to carry heavy transformers!" We will respond to these requests!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Compact and lightweight design is achievable! We are also considering high-frequency power transformers!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Standardization and miniaturization of wiring circuit breakers and residual current devices! We are pursuing ease of use!
- Other electronic parts
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Low leakage, space-saving! Custom manufacturing is possible according to design specifications such as any number of turns and current values.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
We have prepared a wide variety of shapes to accommodate various designs! Introducing switching transformers.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Towards the realization of a decarbonized society! Introducing low-cost, high-insulation transformers.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Custom design tailored to your needs! Can be used as a power supply for a wide range of applications.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Dimensions tables for various switching transformers such as 'FEER core Type' and 'Large Capacity Type' are published!
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
We have a track record of large items such as UU type and UI type! High-frequency transformers and reactors that are RoHS compliant are available.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Using a core that maximizes magnetic characteristics! It can achieve high efficiency and be made compact and lightweight.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Greatly contributes to energy conservation! Coil bobbin-type laminated core transformer with high insulation performance.
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com
Introduction of custom-made stacked core types (single-phase, three-phase) and cut core types (single-phase, three-phase).
- transformer
TECHNO-FRONTIER 2023, the 38th Power System Exhibition (July 26-28, 2023, at Tokyo Big Sight), will be held. We will be exhibiting at booth number 3C-04, custom transformer manufacturer Nikko Electric Co., Ltd.!
We are pleased to announce that our company will be exhibiting at "TECHNO-FRONTIER 2023, the 38th Power System Exhibition," which will be held at Tokyo Big Sight, East Exhibition Hall, from July 26 (Wednesday) to July 28 (Friday). We kindly invite you to visit our booth during this event, and we look forward to seeing you there despite your busy schedule. Exhibition: "TECHNO-FRONTIER 2023, the 38th Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 26 (Wednesday) to July 28 (Friday), 2023 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall, 3-11-1 Ariake, Koto-ku, Tokyo Booth No.: 3C-04 Nikkodenki Co., Ltd. http://www.nikkodenki.com