Kojiro Okawa

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Shinjuku-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive tape, process for producing it, and coating agent for abra...
- Patent number 6,398,826
- Issue date Jun 4, 2002
- Dai Nippon Printing Co., Ltd.
- Kazuhito Fujii
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive tape, process for producing it, and coating agent for abra...
- Patent number 6,165,061
- Issue date Dec 26, 2000
- Dai Nippon Printing Co.
- Kazuhito Fujii
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Abrasive tape, process for producing it, and coating agent for abra...
- Publication number 20020152690
- Publication date Oct 24, 2002
- Dai Nippon Printing Co., Ltd.
- Kazuhito Fujii
- B24 - GRINDING POLISHING
Information Patent Application
Abrasive tape, process for producing it, and coating agent for abra...
- Publication number 20020134026
- Publication date Sep 26, 2002
- Dai Nippon Printing Co., Ltd.
- Kazuhito Fujii
- B24 - GRINDING POLISHING