Hiroyuki Ikeuchi

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal electro-optical element and process for preparation...
- Patent number 4,989,955
- Issue date Feb 5, 1991
- Toray Industries, Inc.
- Kokichi Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid crystal element
- Patent number 4,939,003
- Issue date Jul 3, 1990
- Toray Industries, Inc.
- Takao Aoki
- G02 - OPTICS