Fumio Saitoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ion conductive polymer electrolyte membrane and production method f...
- Patent number 7,540,991
- Issue date Jun 2, 2009
- Polymatech Co., Ltd.
- Naoyuki Shimoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polybenzazole precursor film, polybenzazole film and method of prod...
- Patent number 7,122,617
- Issue date Oct 17, 2006
- Polymatech Co., Ltd.
- Fumio Saitoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Ion conductive polymer electrolyte membrane and production method f...
- Publication number 20060004112
- Publication date Jan 5, 2006
- POLYMATECH CO., LTD.
- Naoyuki Shimoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polybenzazole precursor film, polybenzazole film and method of prod...
- Publication number 20050249961
- Publication date Nov 10, 2005
- Fumio Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Article formed of polybenzazole and production method for the same
- Publication number 20050156356
- Publication date Jul 21, 2005
- POLYMATECH CO., LTD.
- Fumio Saitoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL