Hikaru Okamoto

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Hekinan-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Solid polymer electrolyte fuel cell and method for producing electr...
- Patent number 6,896,991
- Issue date May 24, 2005
- Aisin Seiki Kabushiki Kaisha
- Hikaru Okamoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for manufacturing carbon sheet
- Patent number 6,331,224
- Issue date Dec 18, 2001
- Aisin Seiki Kabushiki Kaisha
- Hideo Seko
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Fuel cell, electrode for fuel cell, and manufacturing method of ele...
- Publication number 20020197525
- Publication date Dec 26, 2002
- AISIN SEIKI KABUSHIKI KAISHA
- Atsushi Tomita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Solid polymer electrolyte fuel cell and method for producing electr...
- Publication number 20020090543
- Publication date Jul 11, 2002
- AISIN SEIKI KABUSHIKI KAISHA
- Hikaru Okamoto
- H01 - BASIC ELECTRIC ELEMENTS