Junko Nakao

Follow

Person

Wakayama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polyarylene ether compound containing sulfonic acid group, composit...
- Patent number 7,754,844
- Issue date Jul 13, 2010
- Toyo Boseki Kabushiki Kaisha
- Yoshimitsu Sakaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composite ion exchange membrane and electrolyte membrane electrode...
- Patent number 7,537,852
- Issue date May 26, 2009
- Toyo Boseki Kabushiki Kaisha
- Shiro Hamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polybenzazole compound having sulfonic acid group and/or phosphonic...
- Patent number 7,288,603
- Issue date Oct 30, 2007
- Toyo Boseki Kabushiki Kaisha
- Yoshimitsu Sakaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polyarylene ether compound containing sulfonic acid group, composit...
- Publication number 20060166048
- Publication date Jul 27, 2006
- Yoshimitsu Sakaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cluster ion exchange membrane and electrolyte membrane electrode co...
- Publication number 20050095486
- Publication date May 5, 2005
- Shiro Hamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polybenzazole compound having sulfo group and/or phosphono group, r...
- Publication number 20040062969
- Publication date Apr 1, 2004
- Yoshimitsu Sakaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...