Syouichi Tomida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Epoxy resins, epoxy resin mixtures, epoxy resin compositions and pr...
- Patent number 6,812,318
- Issue date Nov 2, 2004
- Nippon Kayaku Kabushiki Kaisha
- Yasumasa Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyphenol resin, process for its production, epoxy resin compositi...
- Patent number 6,723,801
- Issue date Apr 20, 2004
- Nippon Kayaku Kabushiki Kaisha
- Yasumasa Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polyphenol resin, method for producing the same, epoxy resin compos...
- Publication number 20040166326
- Publication date Aug 26, 2004
- Yasumasa Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Epoxy resins, epoxy resin mixtures, epoxy resin compositions and pr...
- Publication number 20030065109
- Publication date Apr 3, 2003
- Yasumasa Akatsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyphenol resin, process for its production, epoxy resin compositi...
- Publication number 20030009001
- Publication date Jan 9, 2003
- Yasumasa Akatsuka
- H01 - BASIC ELECTRIC ELEMENTS