Yohsuke Koizumi

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Fuji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photocurable compositions of poly(ethynylphenyl)acetylene, its copo...
- Patent number 4,767,797
- Issue date Aug 30, 1988
- Asahi Kasei Kogyo Kabushiki Kaisha
- Hideo Ai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(ethynylphenyl)acetylene, its copolymer and composition thereof
- Patent number 4,667,006
- Issue date May 19, 1987
- Asahi Kasei Kogyo Kabushiki Kaisha
- Hideo Ai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...