Katsumi Chikama

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Funabashi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Poly (5-aminoquinoxalines) and use thereof
- Patent number 6,822,069
- Issue date Nov 23, 2004
- Nissan Chemical Industries, Ltd.
- Yukio Nagasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Diamine having quinoxaline unit, polyimide precursor, polyimide and...
- Publication number 20060128937
- Publication date Jun 15, 2006
- Yukio Nagasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Poly (5-aminoquinoxalines) and use thereof
- Publication number 20030215701
- Publication date Nov 20, 2003
- Yukio Nagasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...