Yasushi Matsumoto

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Patents Grantslast 30 patents

Information Patent Grant
Superhard film-coated member and method of manufacturing the same
- Patent number 5,955,212
- Issue date Sep 21, 1999
- Osaka Diamond Industrial Co., Ltd.
- Yasushi Matsumoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...