Keiichi Yamamoto

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyamic acid, polyimide and liquid crystal aligning agent
- Patent number 5,783,656
- Issue date Jul 21, 1998
- Japan Synthetic Rubber Co., Ltd.
- Masayuki Kimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...