Kouji Kitagawa

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Workpiece holder for polishing, workpiece polishing apparatus and p...
- Patent number 8,268,114
- Issue date Sep 18, 2012
- Shin-Etsu Handotai Co., Ltd.
- Hisashi Masumura
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Grinding work holding disk, work grinding device and grinding method
- Publication number 20040238121
- Publication date Dec 2, 2004
- Hisashi Masumura
- B24 - GRINDING POLISHING