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  1. Home
  2. Industrial Electrical Equipment
  3. キョーワハーツ
Industrial Electrical Equipment
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キョーワハーツ

EstablishmentJanuary 16, 1958
capital1000Ten thousand
number of employees20
addressKanagawa/Kohoku-ku, Yokohama-shi/1-5-1 Takadanishi
phone045-593-6116
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last updated:Dec 17, 2024
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  • Products/Services(60)
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キョーワハーツ Company Profile

We specialize in fine, complex, and precise press processing as our core technology, providing support for development and manufacturing, as well as in-house product development. We also undertake mold production.

Our company specializes in fine, complex, and precision press processing. *We also sell molds! We can handle everything from examining the shape of customer parts, prototyping, mold manufacturing, to mass production processing. 【Our Expertise Developed Over Time】 1. Deep drawing and flat spring processing 2. Fine processing (plate thickness: 0.03) 3. Complex shapes and high-precision bending processing 4. Processing of difficult materials (titanium, shape memory alloys, magnesium alloys, etc.) 【Proposal Power Supporting Quick Start-Up】 Many customers consult us during product development, asking if certain processing is possible, seeking advice during the conceptual stage, or wanting to start with prototyping. In the development phase, we provide comprehensive advice on material and shape decisions, as well as secondary processing, to fully support the launch of new products. We also believe that "refined products are a testament to stable quality," and we enter mass production only after sufficient adjustments (taking extra care). 【Efforts in In-House Product Development】 We are also engaged in in-house product development utilizing our cultivated precision press processing technology. We have developed a new type of file for binding documents, called "Nuke," which allows for easy insertion and removal of documents from the center, attracting attention as an item that enhances office productivity.

Business Activities

**Prototyping with Mass Production in Mind** Especially for mechanical parts like leaf springs (thin plate springs), handmade prototypes are essential for function verification. Our prototyping concept is "handmade prototypes with mass production in mind." We can accommodate orders from 1 to over 1,000 units with short lead times. Additionally, we will respond to prototype estimates within two hours. **Mass Production Molds Ensuring Stable Quality** From mold design to manufacturing and press mass production processing, we provide integrated production. We create molds that are simple, compact, high-precision, and highly durable. We also respond quickly to unavoidable mold changes and modifications during mass production startup. Molds can also be sold separately. **Mold Trouble Emergency Team** * Molds that cannot achieve precision * Molds with high variability * Molds from companies that have gone out of business We utilize the technology and experience we have cultivated to address mold troubles. We passionately respond to our customers' expectations. **Guarantee of Optimal Quality/Product Environmental Quality** We obtained ISO 9001 certification in November 1999, ISO 14001 certification in April 2010, and medical device manufacturing registration in April 2017. We are also engaged in quality management certification (hosted by the Japan Standards Association), with most of our on-site employees obtaining level 3 or higher.

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Choosing which company to partner with is key to smoothly advancing development!

This document is a collection of case studies from Kyo-Wa Hearts Co., Ltd., which possesses a wide range of know-how in precision press processing and mold manufacturing, as well as a product development consultation service. We introduce a case from a testing equipment manufacturer that is currently using cut pipes for parts but is missing business opportunities due to low production numbers. Additionally, we also include cases from automotive parts manufacturers and cosmetics case manufacturers. Please take a look. [Contents] ■ Case 1: Wanting to switch from pipe to curling processing to increase production numbers ■ Case 2: Designs that are impossible to realize in-house ■ Case 3: Prototypes were successful, but they did not materialize in mass production ■ Case 4: Production is done by another company, but dimensions are not accurate ■ Case 5: Conventional processing methods do not achieve the required precision ■ Processing achievements *For more details, please download the PDF or feel free to contact us.

Products/Services (60)

Mold sales product image
Mold sales
[Information] Introduction of Medical Press Parts product image
[Information] Introduction of Medical Press Parts
Express prototype product image
Express prototype
[Explanatory Material] Why is there such a difference in mold prices depending on the company? product image
[Explanatory Material] Why is there such a difference in mold prices depending on the company?

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catalog(65)

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Mold sales

Mold sales

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[Information] Introduction of Medical Press Parts

[Information] Introduction of Medical Press Parts

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Express prototype

Express prototype

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[Explanatory Material] Why is there such a difference in mold prices among companies?

[Explanatory Material] Why is there such a difference in mold prices among companies?

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news(62)

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[February 4 (Wednesday) to February 6 (Friday), 2026] Notice of participation in "Technical Show Yokohama 2026 (47th Industrial Technology Exhibition)"

  • SEMINAR_EVENT

Kyo-Wa Hearts Co., Ltd. will be exhibiting at the "Technical Show Yokohama 2026 (47th Industrial Technology Exhibition)" held at Pacifico Yokohama. This exhibition has established a solid position in the metropolitan area as a comprehensive showcase of industrial technologies and products, bringing together hard and soft aspects of materials, components, research and development, manufacturing, IT, and environmental issues. We sincerely look forward to your visit.

Dec 01, 2025

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Notice of participation in the "Intermold/Mold Exhibition/Metal Press Processing Technology Exhibition (Tokyo)" from April 16 (Wednesday) to April 18 (Friday), 2025.

  • SEMINAR_EVENT

Kyo-Wa Hearts Co., Ltd. will be exhibiting at the "Intermold / Mold Expo / Metal Press Processing Technology Exhibition (Tokyo)" held at Tokyo Big Sight. The theme for 2025 is "Leading Transformation through Technological Collaboration." Over the course of three days, we will showcase how mold manufacturers and users are responding to changes in the manufacturing environment, as well as how the machinery, tools, and software that support their work are evolving, through exhibitions and seminars. We sincerely look forward to your visit.

Feb 19, 2025

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Notice of participation in "Medtec Japan" from April 9 (Wednesday) to April 11 (Friday), 2025.

  • SEMINAR_EVENT

Kyo-Wa Hearts Co., Ltd. will be exhibiting at "Medtec Japan" held at Tokyo Big Sight. This exhibition is one of the largest in Asia related to the manufacturing and development of medical devices, where medical device suppliers and manufacturers (research and development, manufacturing departments, quality control, etc.) can actively gather information and conduct business negotiations. We sincerely look forward to your visit.

Feb 19, 2025

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Detailed information

Company name キョーワハーツ
number of employees20
Contact addresspostalcode 223-0066 Kanagawa/ Kohoku-ku, Yokohama-shi/ 1-5-1 TakadanishiView on map TEL:045-593-6116 FAX:045-593-6121
Key PartnersAutomotive electrical components, communication equipment parts, various electronic components, medical devices, semiconductor testing equipment, building materials, accessory manufacturers, and over 50 stationery trading companies.
Business LocationsClick here for the list
Industry Industrial Electrical Equipment
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