Atsuhiko Katayama

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermally polymerizable resin composition
- Patent number 9,051,422
- Issue date Jun 9, 2015
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Atsuhiko Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cationically polymerizable composition and method for controlling c...
- Patent number 8,344,097
- Issue date Jan 1, 2013
- Nippon Steel Chemical Co., Ltd.
- Atsuhiko Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting resin composition
- Patent number 8,008,429
- Issue date Aug 30, 2011
- Nippon Steel Chemical Co., Ltd.
- Atsuhiko Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic electroluminescent device material and organic electrolumin...
- Patent number 7,968,874
- Issue date Jun 28, 2011
- Nippon Steel Chemical Co., Ltd.
- Hiroshi Miyazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing of aromatic oligomers
- Patent number 7,049,389
- Issue date May 23, 2006
- Nippon Steel Chemical Co., Ltd.
- Toshihide Senzaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Thermally polymerizable resin composition
- Publication number 20100273941
- Publication date Oct 28, 2010
- NIPPON STEEL CHEMICAL CO., LTD.
- Atsuhiko Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE MATERIAL AND ORGANIC ELECTROLUMIN...
- Publication number 20100181553
- Publication date Jul 22, 2010
- Hiroshi Miyazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Thermosetting Resin Composition
- Publication number 20100130697
- Publication date May 27, 2010
- Atsuhiko Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cationically polymerizable composition and method for controlling c...
- Publication number 20100081785
- Publication date Apr 1, 2010
- Atsuhiko Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for production of aromatic oligomers
- Publication number 20040266976
- Publication date Dec 30, 2004
- Toshihide Senzaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...