Kazuyuki Sonobe

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing apparatus with abrasive tape, polishing method using abra...
- Patent number 6,893,329
- Issue date May 17, 2005
- Hitachi High-Tech Electronics Engineering Co., Ltd.
- Fujio Tajima
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Polishing apparatus with abrasive tape, polishing method using abra...
- Publication number 20040198181
- Publication date Oct 7, 2004
- Hitachi Electronics Engineering Co. Ltd.
- Fujio Tajima
- B24 - GRINDING POLISHING