Masatoshi Hasegawa

Follow

Person

Funabashi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ester group-containing tetracarboxylic acid dianhydride, polyester...
- Patent number 9,096,566
- Issue date Aug 4, 2015
- Honshu Chemical Industry Co., Ltd.
- Masatoshi Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ester group-containing tetracarboxylic acid dianhydride, novel poly...
- Patent number 9,023,974
- Issue date May 5, 2015
- Honshu Chemical Industry Co., Ltd.
- Masatoshi Hasegawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ESTER GROUP-CONTAINING TETRACARBOXYLIC ACID DIANHYDRIDE, POLYESTER...
- Publication number 20120029164
- Publication date Feb 2, 2012
- HONSHU CHEMICAL INDUSTRY CO., LTD.
- Masatoshi Hasegawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL ESTER GROUP-CONTAINING TETRACARBOXYLIC ACID DIANHYDRIDE, NOVE...
- Publication number 20090306329
- Publication date Dec 10, 2009
- HONSHU CHEMICAL INDUSTRY CO., LTD.
- Masatoshi Hasegawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...