Tatsuya TANAKA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing sheet, polishing tool and polishing method
- Patent number 10,105,814
- Issue date Oct 23, 2018
- Ricoh Company, Ltd.
- Kiyotaka Sawada
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
POLISHING SHEET, POLISHING TOOL AND POLISHING METHOD
- Publication number 20160221147
- Publication date Aug 4, 2016
- RICOH COMPANY, LTD.
- Kiyotaka SAWADA
- B24 - GRINDING POLISHING