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Latest update: 28/01/2019 19:01:02

Mitaka Seiko Co., Ltd.

We develop precision parts and roundness measuring instruments on the basis of gauge manufacturing technology.

We manufacture and sell gauges that set the standard for industrial products. We develop precision parts, hydrostatic air bearings, and roundness measuring instruments, which are products that use our hydrostatic air bearings, and sell them both in Japan and abroad, based on critical gauge manufacturing technology. We have recently manufactured precision parts by additionally performing lapping and polishing manually after machining as “instrument processing +x” technology, and have also manufactured semiconductor inspection equipment for precision assembly during measurement. We manufacture and sell long-shaft dedicated horizontal roundness measuring instruments and field roundness measuring instruments, the only manufacturer in Japan.

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[Company strength]
Good products cannot be produced without the correct measurement of precision parts. We take precision measurements in a constant-temperature chamber kept at room temperature (20°C). We further improve dimensional precision by micromachining using our lapping “machining +x” technology in addition to precision measuring technology. We can also process ultraprecision parts without burrs or with less dust by additionally performing polishing. Our technologies are highly regarded for parts in the aerospace industry. We also manufacture and sell characteristic measuring instruments among our roundness measuring instruments. We are the only company in Japan that manufactures these products.



[Business description]
We have manufactured and sold gauges that have set the standard for industrial products since our founding 50 years ago. We develop precision parts, hydrostatic air bearings, and roundness measuring instruments, which are products that use our hydrostatic air bearings, and sell them both in Japan and abroad, based on critical gauge manufacturing technology. We have recently manufactured precision parts by additionally performing lapping and polishing manually after machining as “instrument processing +x” technology, and have also manufactured semiconductor inspection equipment for precision assembly during measurement. We manufacture and sell long-shaft dedicated horizontal roundness measuring instruments and field roundness measuring instruments, the only manufacturer in Japan.

[Industry]
Business machines and tools manufacturing

[Representative's message]
We wish to keep manufacturing key parts in Japan although manufacturers are increasingly relocating their production bases overseas. We strive to be recognized and prosper as a manufacturer known for our “machining +x” technology. We hope that our products live up to customers’ expectations.

[Company structure for market development/overseas expansion]
We manufacture ultraprecision, ultra-clean parts with our “machining +x” technology while addressing issues of materials, heat treatment, grinding allowance, etc. in collaboration with users from the design stage. By solving the issues and establishing process solutions, we supply better products. We also provide roundness measuring instruments designed for the objects to be measured so that users can quickly and easily take measurements.



[Awards and media coverage]
Presentation on high-speed precision hydrostatic air bearings in the Japan Society for Precision Engineering and the Society for Mathematical Sciences



This company is recommended by the following support organizations.

一般社団法人首都圏産業活性化協会
Kanto Head Office, SMRJ
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