Ryusuke Watanabe

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal composition and information display apparatus using...
- Patent number 5,397,503
- Issue date Mar 14, 1995
- Idemitsu Kosan Co., Ltd.
- Kimihiro Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid crystal composition and information display apparatus using...
- Patent number 5,316,693
- Issue date May 31, 1994
- Idemitsu Kosan Co., Ltd.
- Kimihiro Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Material for organic electroluminescent element and organic electro...
- Publication number 20070190356
- Publication date Aug 16, 2007
- Takashi Arakane
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Metal-complex compound and organic electroluminescence device using...
- Publication number 20060163542
- Publication date Jul 27, 2006
- Idemitsu Kosan Co., Ltd.
- Ryusuke Watanabe
- C07 - ORGANIC CHEMISTRY