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Latest update: 30/05/2017 17:57:17

Iwanuma Seikou Co., Ltd.

We manufacture customized battery and automotive parts by press working with progressive molds.

We have an integrated production system from prototyping to mold design, machining, and assembly. We excel at manufacturing customized products by metalworking and have particular know-how regarding press working using progressive molds. Our advantage is in our production of complicated shapes that are thin, narrow in pitch, and curved. We also design and create tools and molds used on lines for mass press working, precision machining, and production, including labor-saving equipment. We made the most of our cutting-edge technologies to commercialize a magnet crimp terminal by independent production using mold structures. We also developed a mold with built-in piezoelectric elements and a composite micro-processing machine for both micro-machining and micro-EDM.


Other presentation

[Company strength]
Our company mainly engages in metal press working with progressive molds and single operation molds. We particularly excel at producing complicated shapes with narrow pitches and curves from thin materials. Our maximum press capacity is 110 tons. We have greatly improved mold maintainability by adopting a unique polishing method. We satisfy an increasingly diverse range of customer needs with our machining, and provide low-cost, high-quality products with quick turnarounds. We employ 3D-shape one-chuck process production to manufacture customized products for business use, and day-and-night multi-process production for small customized products for consumer use.

[Business description]
Our company manufactures metal pressed products. We are particularly involved in manufacturing customized tabs as electrical parts for batteries and automobiles by press working with progressive molds. We have an integrated production system from prototyping to mold design, machining, and assembly. We manufacture customized products by metalworking. We can provide a wide range of round articles, square articles, and sheet-metal tools with high accuracy in a short term for use on your production lines. Our labor-saving equipment supports integrated production based on customer needs from proposal-type design (good usability and low cost) to manufacturing, inspection, and installation.


[Strength of products/technologies]
Thin tabs for batteries are expected to have high reliability. We make use of hoop-type metal press working and our process capacity index is 1.67 or more. We possess the know-how to manufacture molds that can withstand high-speed press working, which has remarkably improved mold maintainability. We commercialized a magnet crimp terminal by adding a machining function based on a unique mold structure. We also developed a mold with built-in piezoelectric elements and a composite micro-processing machine supporting both micro-machining and micro-EDM (combining our strengths in equipment design and machining). It is essential for corporate development to secure workshop safety and cultivate human resources. Our company received a gold prize as a zero-accident company.

[Representative's message]
We have recently been extending our sales network by participating in trade fairs, and also exhibitions such as INTERNEPCON. Our company has been providing building materials, housing equipment, air conditioning equipment, and metal parts since last year. These products cut across the borders of electrical and electronic parts, and our goal is to make effective use of our own infrastructure. We will continue to improve our technical power in the current year as well, and make use of a Monozukuri craftsmanship subsidy to develop metal domes. We will continue to market our original products in addition to our consignment processing. We aim to contribute to industries where security, safety, and high quality are expected and to further strengthen our business foundation.

[Company structure for market development/overseas expansion]
We have staff in charge of attending to new customers in our sales section as a liaison to answer inquiries from major and SME companies. Staff members comprising five employees in the technical section and the manufacturing department are in charge of technical consulting, and directly visit customers as required to solve issues.

[Market share/Ranking]
We supply all commercial battery tabs to “S” company.

[Awards and media coverage]
Manufacturing Industry Association All-Japan Koma Taisen 2015, third place; commendation by the Minister of Economy, Trade and Industry for contributions to restoration and recovery from East Japan Great Earthquake; SME Zero Accident Record, Gold Prize.

NHK TV, "Sakidori," and Nikkan Kogyo Shimbun, reports on the Manufacturing Industry Association Koma Taisen; TV Asahi, "Hodo Station," on restoration and recovery from the Great East Japan Earthquake; Vibrant Monozukuri Company, Factory Management Category. 

ISO 9001 and ISO 14001 certification.
Strategic Core Technology Advancement Program approval.

[Joint research and development]
Utility model pending: Marine Product Drying Machine (Japanese Utility Model Application No. 2013-003517).
Patent pending: Crimp Terminal and Manufacturing Method (Japanese Patent Application No. 2013-159758).
Patent pending: Cable Clip (Japanese Patent Application No. 2014-209436).

[Main Clients / Business History (domestic)]
Machine part processing for major manufacturers including Sony Energy Devices Corporation (consignment processing of battery tabs and bus bars and casings for electricity storage), Mitsumi Electric Co., Ltd., IHI Corporation, Keihin Corporation, Nikon Corporation, and Dexerials Corporation.

[Main Clients / Business History (overseas)]
Consignment processing for Sony Energy Devices Corporation (Singapore and China) and Alps Electric Co., Ltd. (China).

This company is recommended by the following support organizations.

Tohoku Head Office, SMRJ

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