Tsuneo Ishii

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Yamagata-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat treating apparatus using quartz glass
- Patent number 6,399,526
- Issue date Jun 4, 2002
- Kabushiki Kaisha Toshiba
- Hiroshi Tomita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Quartz glass, heat treating apparatus using quartz glass, and heat...
- Patent number 6,263,704
- Issue date Jul 24, 2001
- Kabushiki Kaisha Toshiba
- Hiroshi Tomita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Quartz glass, heat treating apparatus using quartz glass, and heat...
- Patent number 6,093,666
- Issue date Jul 25, 2000
- Kabushiki Kaisha Toshiba
- Hiroshi Tomita
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Quartz glass, heat treating apparatus using quartz glass, and heat...
- Publication number 20010029006
- Publication date Oct 11, 2001
- KABUSHIKI KAISHA TOSHIBA
- Hiroshi Tomita
- C03 - GLASS MINERAL OR SLAG WOOL