Yasuo Shirao

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Yao-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Two-sided surface grinding method
- Patent number 7,674,157
- Issue date Mar 9, 2010
- Koyo Machine Industries Co., Ltd.
- Yasuo Shirao
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Two-sided surface grinding method and apparatus
- Publication number 20080233843
- Publication date Sep 25, 2008
- KOYO MACHINE INDUSTRIES CO., LTD.
- Yasuo Shirao
- B24 - GRINDING POLISHING