Hidemasa Koh

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Difluoroethylene compounds and liquid crystal compositions containi...
- Patent number 5,914,071
- Issue date Jun 22, 1999
- Asahi Glass Company Ltd.
- Seiji Shinya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difluoroethylene compounds and liquid crystal compositions containi...
- Patent number 5,663,463
- Issue date Sep 2, 1997
- Asahi Glass Company Ltd.
- Seiji Shinya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difluoroethylene compounds and liquid crystal compositions containi...
- Patent number 5,516,949
- Issue date May 14, 1996
- Asahi Glass Company Ltd.
- Seiji Shinya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difluoro-derivative compounds and liquid crystal compositions conta...
- Patent number 5,419,851
- Issue date May 30, 1995
- Asahi Glass Company Ltd.
- Osamu Yokokoji
- C07 - ORGANIC CHEMISTRY