Hirotsugu Komiya

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating the quality of abrasive grains, polishing met...
- Patent number 7,025,796
- Issue date Apr 11, 2006
- Seimi Chemical Co., Ltd.
- Hirotsugu Komiya
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method for evaluating the quality of abrasive grains, polishing met...
- Publication number 20040139764
- Publication date Jul 22, 2004
- Seimi Chemical Co., Ltd.
- Hirotsugu Komiya
- B24 - GRINDING POLISHING