Akiyuki Kojima

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Gunma-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Epoxy resin, epoxy resin composition and hardened product thereof
- Patent number 6,124,420
- Issue date Sep 26, 2000
- Nippon Kayaku Kabushiki Kaisha
- Kenichi Kuboki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novolak type phenolic resins and methods of manufacturing thereof
- Patent number 6,001,949
- Issue date Dec 14, 1999
- Gun-Ei Chemical Industry Co., Ltd.
- Yoshiaki Kurimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novolak type phenolic resins and methods of manufacturing thereof
- Patent number 5,929,191
- Issue date Jul 27, 1999
- Gun-Ei Chemical Industry Co., Ltd.
- Yoshiaki Kurimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novolak type phenolic resins and methods of manufacturing thereof
- Patent number 5,859,168
- Issue date Jan 12, 1999
- Gun-Ei Chemical Industry Co., Ltd.
- Yoshiaki Kurimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...