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  3. KOYAMA CO., LTD. Head office, Tochigi branch, Tokyo branch, Kawasaki branch, Shizuoka branch, Osaka branch, Nagareyama local office, 4 overseas local companies (the Philippines, Shanghai, Hong Kong, Vietnam)
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Trading company/Wholesale
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KOYAMA CO., LTD. Head office, Tochigi branch, Tokyo branch, Kawasaki branch, Shizuoka branch, Osaka branch, Nagareyama local office, 4 overseas local companies (the Philippines, Shanghai, Hong Kong, Vietnam)

EstablishmentDecember 26, 1957
capital3000Ten thousand
number of employees100
addressTokyo/Shinjuku-ku/2-5-2 Hyakunincho
phone03-3363-3711
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last updated:Nov 20, 2025
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KOYAMA CO., LTD. Product Lineup

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Fastening parts Fastening parts
Assembly, inspection equipment, tools Assembly, inspection equipment, tools
Precision machining and molded products Precision machining and molded products
Safety, Protection, Environmental Products Safety, Protection, Environmental Products
Automated transport robot "Souther" Automated transport robot "Souther"
Loosening prevention processing Loosening prevention processing
お役立ち資料 お役立ち資料
ネジスターσ ネジスターσ
搬送ロボット「カチャカプロ」 搬送ロボット「カチャカプロ」
熱中対策ウォッチ「カナリアプラス2026」 熱中対策ウォッチ「カナリアプラス2026」
Safety,

Safety, Protection, Environmental Products

Safety, Protection, Environmental Products

Limited time offer: Would you like to try assembling a clean booth with a DIY feel?

If you're worried that hiring a contractor is expensive, then why not assemble it yourself?

◎ The Koyama Booth is easy to assemble and install!  ▶▶ With a simple design, even first-timers can easily assemble it while referring to the manual. *Estimated time required: about 1 hour with 2 adults.    The frame is made of lightweight aluminum, making it easy to move after assembly. ◎ The Koyama Booth doesn't take up much space!  ▶▶ Easy assembly means easy disassembly as well. When not in use, it can be stored away, contributing to space-saving on site. ◎ The Koyama Booth has amazing purification effects!  ▶▶ It uses a high-performance HEPA filter in the fan filter unit. *Filter replacement estimate: every 3 to 5 years.    It operates on standard household AC 100V, so you can plug it directly into an outlet. ◎ The Koyama Booth is energy-efficient!  ▶▶ When multiple fan filter units are installed, for example, during nighttime work storage when there are fewer sources of contamination, you can operate only the necessary number of units. ◎ The Koyama Booth is affordable and quick!  ▶▶ By standardizing and mass-producing parts, the price is less than half of the conventional cost, and it can be delivered in about a week after ordering. 【Information】 If you scroll down, you will find the catalog listed under "Applications / Examples," so please take a look at it.

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Explosion-proof vacuum cleaner Tiger-Vac for use in clean rooms.

High-performance cleaner for clean rooms, static electricity countermeasures, and explosion-proof applications.

●This is an explosion-proof and fire-proof vacuum cleaner certified by an approved testing laboratory, in accordance with legal regulations. ●It can also be used in clean rooms and pharmaceutical factories. ●Regarding static electricity measures, it is grounded through the suction inlet, hose, and main body, allowing even slight static electricity to dissipate quickly. *For more details, please refer to the catalog. For inquiries, please contact Koyama Co., Ltd.*

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Industrial Hand Cleaner "Lucky Boy Eco Surf A"

Factory hand cleaner that takes into consideration environmental aspects and safety.

★We use biodegradable scrubs (crystal cellulose) as raw materials, taking into consideration environmental aspects and safety. ★It contains a special scrub (a scrub that biodegrades in soil and water) that effectively removes oil stains, carbon, ink, and other residues stuck between fingerprints and under nails. ★The special scrub is relatively light and easily washed away by water, preventing accumulation in wash areas or clogging of drainage pipes, keeping the workplace clean. ★It is a hand cleaner made from natural high-grade alcohol-based surfactants that are gentle on the skin. *For more details, please refer to the catalog. For inquiries, please contact Koyama Co., Ltd.*

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Koyama Co., Ltd. Company Profile

We are a specialized trading company that solves customer problems in a wide range of fields related to manufacturing!

Koyama Co., Ltd. is a specialized trading company that handles a wide range of industrial materials, including screws, cold-formed parts, springs, and pressed parts. We offer a diverse array of products such as fastening components, various metal processed products, and resin cutting and molding products. Additionally, we also provide our original product, the "Screw Tightening Reminder Counter." 【Business Activities】 ■ Screws, cold-formed parts, springs and pressed parts, precision machined parts, adhesives, sealants, machine tools, labor-saving equipment, design and development of AGVs and peripheral equipment, precision molded products, static electricity countermeasures, development and sales of environmental improvement products, electronic components, connectors, wire and harness processing. *For more details, please refer to our catalog or contact Koyama Co., Ltd.

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"Leave it to us for items used in clean rooms" - Electrostatic control products.

Contributing to a safe and comfortable working environment through the development of various products and a diverse range of offerings!

We would like to introduce the "Electrostatic Control Products and Cleanroom Supplies" that we handle. We offer a lineup of products from manufacturers such as Achilles, Azone, Sakae, Vessel, Hozen, and Hakko, as well as Gardner. Please feel free to contact us when you need assistance. 【Manufacturers We Handle (Partial)】 ■ Achilles ■ Azone ■ Sakae ■ Vessel ■ Hozen *For more details, please download the PDF or feel free to contact us.

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【Safety measures on site!】 Cut-resistant gloves (Metal Cue Series)

In a moment of risk, unbreakable options!

The "Metal Q Series" is a cut-resistant glove made from the high-strength polyethylene "METAL Q," developed independently by Hanbo Corporation. By incorporating carbon-based materials within the fibers, it achieves high cut resistance without the need to combine glass or metal fibers. Additionally, it has been designed to be thin, lightweight, strong, and soft. Features: - Soft texture - Balances safety and comfort - Low dust generation, cool wearing sensation - Washable and reusable

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Truly a human refrigerator! The 'Do Hiemon BOX' for instant cooling of whole items is now on sale.

Full-body cooling from head to toe! The personal cooling box "Do Hiemon."

We have achieved "cooling the entire body" which was not possible with previous heat countermeasure products. When you sit inside the box, a breeze blows from the back, and cool air hits your neck just right. The cool air is about 5°C, providing a refreshing sensation similar to that of a refrigerator's chilled compartment. Compared to conventional localized cooling methods, it effectively cools the body. Additionally, it automatically stops after 20 minutes to prevent excessive cooling. There is no need for installation work, so it can be used immediately, and it is suitable for both indoor and outdoor settings. The electricity cost is approximately 16 yen per hour! Its energy-saving performance is about half that of a spot air conditioner. We have demo units available. Please feel free to contact the Development Sales Department of Koyama Co., Ltd. at ☎03-3363-3711.

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Oral Care Robot 'g・eN'

With the technology of 'plus one minute,' we protect the future of employees and their families. A new form of oral care that paves the way for health management and CSR.

Proposal for the Introduction of the Oral Care Robot "g.eN" The greatest asset supporting the growth and sustainability of a company is the healthy lives of its employees and their families. In recent years, it has been medically proven that oral care is directly linked to the maintenance of overall health, prevention, and improvement of quality of life (QOL). However, maintaining a proper daily tooth brushing routine is not easy. The oral care robot "g.eN," born from the robotics laboratory at Waseda University, addresses this challenge. Three Values Brought by "g.eN" Reliable care in just one minute: With just a push of a button, you can achieve fully automated care in one minute. Anyone can easily remove plaque, making it perfect for busy workplaces and mornings. Supporting the health of the entire family: From finishing touches on children's brushing to oral training for the elderly, it embodies a company's commitment to valuing its employees and their families. A symbol of "Health Management" and "CSR": Utilizing it in employee benefits enhances engagement and contributes to the brand value of being an advanced company that values human resources and their families. Why not incorporate this innovation into health management to protect the smiles of employees and their families with a new habit of just one minute a day?

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[Sample Distribution] Extra Large Sweat Wiping Sheet Long

[Sample distribution ongoing] For heatstroke prevention!

This is an introduction to "Elielle Dodeka Sheet," sold by EBS Co., Ltd. (Elielle Business Support). It is a thick type of sheet that does not tear or become wrinkled even when wiping away sweat, allowing for a thorough wipe. It has a refreshing and cool feel, with a clean citrus scent as its characteristic. Available in a large size of 30cm x 30cm and an extra-long size, it can also be wrapped around the neck for cooling. Why not try using it in combination with a neck cooler or air-conditioned clothing? Be sure to give the Dodeka Sheet Long a try while wiping away sweat and cooling your body!

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Pro-7 Earthquake Resistant Mat - Prevents Tipping and Falling

【Seismic Intensity 7 Compatible】Easy to apply earthquake and BCP measures! Prevent falls and drops of precision equipment and facilities with the high-adhesion gel "Pro-7 Seismic Mat."

The Pro-7 seismic mat is a high-performance seismic fixation gel that prevents the tipping, falling, and movement of equipment and supplies during earthquakes. It can be easily installed by simply sticking it to the bottom surface of the target object, without the need for construction, tools, or anchor bolts. The ultra-adhesive, highly elastic urethane gel flexibly absorbs vibrations and shocks, accommodating severe shaking equivalent to the Hanshin-Awaji earthquake waveform and intensity 7 levels such as 1000Gal. It is widely applicable to manufacturing lines, semiconductors, precision equipment, servers, office automation equipment, analytical and medical devices, and exhibits. Due to its self-adhesive nature, it leaves no residue when removed, and even if it gets dirty, its adhesive strength can be restored by washing with water, making it economical for repeated use. It has high safety standards, being UL94 V-2 compliant, RoHS2 directive compliant, and having passed VOC (off-gassing) analysis tests, and all products are treated for antibacterial and mold prevention. It has obtained unified qualifications from all government ministries and boasts a wealth of delivery achievements.

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