Ryu Yamaguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass substrate manufacturing method, glass substrate polishing met...
- Patent number 8,267,741
- Issue date Sep 18, 2012
- Asahi Glass Company, Limited
- Hiroshi Kimura
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING MEDIUM GLASS SUBSTRATE AND METHOD OF MANUFACTURI...
- Publication number 20110123834
- Publication date May 26, 2011
- Asahi Glass Company, Limited
- Tomohiro Hoshino
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE MANUFACTURING METHOD, GLASS SUBSTRATE POLISHING MET...
- Publication number 20110064971
- Publication date Mar 17, 2011
- Asahi Glass Company, Limited
- Hiroshi KIMURA
- B24 - GRINDING POLISHING