Chihiro Sakai

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing air-quench-toughened glass plate
- Patent number 7,213,415
- Issue date May 8, 2007
- Nippon Sheet Glass Company, Limited
- Chihiro Sakai
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Raw material composition for soda-lime glass
- Patent number 6,780,801
- Issue date Aug 24, 2004
- Nippon Sheet Glass Co., Ltd.
- Chihiro Sakai
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing air-quench-toughened glass plate
- Patent number 6,609,394
- Issue date Aug 26, 2003
- Nippon Sheet Glass Co., Ltd.
- Chihiro Sakai
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method for producing air-quench-toughened glass plate
- Publication number 20030205062
- Publication date Nov 6, 2003
- Chihiro Sakai
- C03 - GLASS MINERAL OR SLAG WOOL