Masayuki Tsutsumi

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Ohtsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing pad and cushion layer for polishing pad
- Patent number 7,762,870
- Issue date Jul 27, 2010
- Toyo Tire & Rubber Co., Ltd.
- Koichi Ono
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing pad and cushion layer for polishing pad
- Patent number 7,641,540
- Issue date Jan 5, 2010
- Toyo Tire & Rubber Co., Ltd.
- Koichi Ono
- B24 - GRINDING POLISHING
Information Patent Grant
Method of producing polishing pad
- Patent number 7,329,170
- Issue date Feb 12, 2008
- Toyo Tire & Rubber Co., Ltd.
- Koichi Ono
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing pad, method of producing the same, and cushion layer for...
- Patent number 7,192,340
- Issue date Mar 20, 2007
- Toyo Tire & Rubber Co., Ltd.
- Koichi Ono
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Polishing pad and cushion layer for polishing pad
- Publication number 20060148393
- Publication date Jul 6, 2006
- Koichi Ono
- B24 - GRINDING POLISHING
Information Patent Application
Polishing pad and cushion layer for polishing pad
- Publication number 20060148391
- Publication date Jul 6, 2006
- Koichi Ono
- B24 - GRINDING POLISHING
Information Patent Application
Method of producing polishing pad
- Publication number 20060148392
- Publication date Jul 6, 2006
- Koichi Ono
- B24 - GRINDING POLISHING
Information Patent Application
Polishing pad, method of manufacturing the polishing pad, and cushi...
- Publication number 20040055223
- Publication date Mar 25, 2004
- Koichi Ono
- B24 - GRINDING POLISHING