Kouji Kawahara

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Patents Grantslast 30 patents

Information Patent Grant
Chemical mechanical polishing pad
- Patent number 7,097,550
- Issue date Aug 29, 2006
- JSR Corporation
- Kouji Kawahara
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Chemical mechanical polishing pad
- Publication number 20050260942
- Publication date Nov 24, 2005
- JSR Corporation
- Kouji Kawahara
- B24 - GRINDING POLISHING
Information Patent Application
Chemical mechanical polishing pad, production method thereof, and c...
- Publication number 20050222336
- Publication date Oct 6, 2005
- JSR Corporation
- Takahiro Okamoto
- B24 - GRINDING POLISHING
Information Patent Application
Polishing pad and multi-layer polishing pad
- Publication number 20040014413
- Publication date Jan 22, 2004
- JSR Corporation
- Nobuo Kawahashi
- B24 - GRINDING POLISHING