Shigeo Wakamatsu

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Fujisawa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gasket for fuel cell and method of forming it
- Patent number 7,063,911
- Issue date Jun 20, 2006
- NOK Corporation
- Osamu Nagai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a gasket for layer-built fuel cells
- Patent number 6,649,097
- Issue date Nov 18, 2003
- NOK Corporation
- Yasunori Sasaki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Gasket for layer-built fuel cells and method for making the same
- Patent number 6,337,120
- Issue date Jan 8, 2002
- NOK Corporation
- Yasunori Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gasket for fuel cell
- Patent number 6,231,053
- Issue date May 15, 2001
- NOK Corporation
- Shigeo Wakamatsu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Gasket for layer-built fuel cells and method for making the same
- Publication number 20020045046
- Publication date Apr 18, 2002
- NOK Corporation
- Yasunori Sasaki
- H01 - BASIC ELECTRIC ELEMENTS