Fumio Imai

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing particle and method for producing polishing particle
- Patent number 7,037,352
- Issue date May 2, 2006
- Showa Denko Kabushiki Kaisha
- Katsura Ito
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive composition and process for polishing plastic article
- Patent number 4,935,039
- Issue date Jun 19, 1990
- Showa Denko Kabushiki Kaisha
- Kunihiro Miyazaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Polishing slurry and polished substrate
- Publication number 20050287931
- Publication date Dec 29, 2005
- Showa Denko K.K.
- Hiroshi Saegusa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Polishing particle and method for producing polishing particle
- Publication number 20020129559
- Publication date Sep 19, 2002
- SHOWA DENKO KABUSHIKI KAISHA
- Katsura Ito
- C03 - GLASS MINERAL OR SLAG WOOL