Sigeo Kawamura

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal aligning agent and liquid crystal display device
- Patent number 5,756,649
- Issue date May 26, 1998
- Japan Synthetic Rubber Co., Ltd.
- Shigeaki Mizushima
- G02 - OPTICS
Information Patent Grant
Liquid crystal aligning agent and liquid crystal display device
- Patent number 5,612,450
- Issue date Mar 18, 1997
- Japan Synthetic Rubber Co., Ltd.
- Shigeaki Mizushima
- G02 - OPTICS