Noristugu Umehara

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Patents Grantslast 30 patents

Information Patent Grant
Polishing material, grinding particle body for abrasion-grinding, m...
- Patent number 6,547,842
- Issue date Apr 15, 2003
- Nisca Corporation
- Noristugu Umehara
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Polishing material, grinding particle body for abrasion-grinding, m...
- Publication number 20030040259
- Publication date Feb 27, 2003
- NISCA CORPORATION
- Noristugu Umehara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...