Toshiya Tomisaka

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming an optical glass element
- Patent number 6,629,435
- Issue date Oct 7, 2003
- Minolta Co., Ltd.
- Toshiya Tomisaka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Forming method of glass element
- Patent number 6,079,228
- Issue date Jun 27, 2000
- Minolta Co., Ltd.
- Toshiya Tomisaka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass gob production device and production method
- Patent number 5,738,701
- Issue date Apr 14, 1998
- Minolta Co., Ltd.
- Osamu Ikeuchi
- C03 - GLASS MINERAL OR SLAG WOOL