Yuichi Watanabe

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a doughnut-shaped glass substrate
- Patent number 7,488,145
- Issue date Feb 10, 2009
- Asahi Glass Company, Limited
- Yuichi Watanabe
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing a doughnut-shaped glass substrate
- Publication number 20060182504
- Publication date Aug 17, 2006
- Asahi Glass Company, Limited
- Yuichi Watanabe
- B28 - WORKING CEMENT, CLAY, OR STONE