Akira Matsumura

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Atsugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Outer ring of a constant velocity universal joint and manufacturing...
- Patent number 6,406,374
- Issue date Jun 18, 2002
- Aida Engineering Co., Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for molding metal using high fluid pressure
- Patent number 6,250,121
- Issue date Jun 26, 2001
- Aida Engineering Co., Ltd.
- Kazuto Kobayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...