Hiroyuki Okazaki

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Daito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Conductive composition for solid polymer type fuel cell separator,...
- Patent number 7,049,021
- Issue date May 23, 2006
- Osaka Gas Company Limited
- Arata Sakamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of absorbing electromagnetic waves
- Patent number 5,394,149
- Issue date Feb 28, 1995
- Osaka Gas Company Limited
- Junichi Fujita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Conductive composition for solid polymer type fuel cell separator,...
- Publication number 20030180597
- Publication date Sep 25, 2003
- Arata Sakamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL