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Latest update: 30/05/2017 17:54:12

Nishimura Co., Ltd.

We manufacture dies, fuel cell parts, and aircraft parts through ultra-high-precision processing.

We design and manufacture ultra-high-precision dies. Our company also manufactures fuel cell separators (using fine, high-precision dies), aspherical lenses (machining), and die cast dies. We possess fuel cell passage formation technology, and offer comprehensive solutions including evaluation of trial machining with 400-ton digital servo press machines. 


Other presentation

[Company strength]
Our company has been developing press dies and related manufacturing methods for fuel cell separators for 16 years since metal was adopted for these parts. We possess many high-precision die processing machines to complete the manufacturing process in-house, including die design, manufacturing, and press working. We offer ultra-high-precision machining, and we have expanded our range of machining tools as well as inspection equipment to complete the entire QA process in-house. 

[Business description]
Our company designs and manufactures precision dies for auto parts (precision press working, forging, sheet forging, and fine blanking). We design and manufacture fuel cell separator dies (metal separator fabrication), manufacture aircraft parts (titanium, aluminum, and stainless steel parts), and manufacture medical equipment.

Precision die design, manufacturing, and prototype making; manufacturing method development

[Strength of products/technologies]
The main features of our fuel cell separators include high flatness (very little deformation) and uniform passage height (within 10 µ) despite a narrow pitch. We also possess the know-how and technologies to fabricate uniform thicknesses. The resulting products easily satisfy quality requirements for separators, and they are certainly useful for developing high-performance fuel cell stacks. 

[Representative's message]
Our company has been committed to making high-quality dies and products for over 50 years. Our manufacturing services are highly valued by many customers as a result. We believe that our mission is to create high-quality made-in-Japan products, and to continue to take on challenges without giving up on improvement in manufacturing technology. We want to offer solutions that exceed customer expectations. Recently our company has partnered with automobile manufacturers and fuel cell system manufacturers. We are focusing on part production and die development for fuel cell cars to play our part in environmental protection. We will continue to accurately capture customer needs and develop attractive products and dies. We will concentrate on the clean energy field for the development of our company as well as employee happiness, while contributing to society. 

[Company structure for market development/overseas expansion]
Our development department serves as our point of contact and is ready to work with you using new manufacturing technologies.

[Market share/Ranking]
We are involved in ultra-high-precision die design and manufacturing. 

[Awards and media coverage]


ISO 1400; ISO 9001; ISO 9100.

[Joint research and development]
Nihon Institute of Technology: Plastic working; MOT (management of technology).

[Main Clients / Business History (domestic)]
Toyota Motor; eight companies in the Toyota Group; Kawasaki Heavy Industries; Mitsubishi Heavy Industries. 

[Main Clients / Business History (overseas)]
Development of battery capacitor manufacturing methods. Production and sales of metal separators.

This company is recommended by the following support organizations.

Chubu Head Office, SMRJ