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Kohei Ugawa
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Ibaraki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Membrane electrode assembly and polymer electrolyte fuel cell
Patent number
8,546,042
Issue date
Oct 1, 2013
Hitachi Maxell, Ltd.
Kohei Ugawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel cell and membrane electrode assembly
Patent number
7,625,660
Issue date
Dec 1, 2009
Hitachi Maxell, Ltd.
Hideo Daimon
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel cell, membrane electrode assembly, catalyst used therefor, and...
Patent number
7,625,659
Issue date
Dec 1, 2009
Hitachi Maxell, Ltd.
Hideo Daimon
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL
Publication number
20100183943
Publication date
Jul 22, 2010
Hitachi Maxell, Ltd.
Kohei Ugawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
FUEL CELL POWER GENERATION SYSTEM
Publication number
20100104900
Publication date
Apr 29, 2010
Hiroshi Kashino
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell and membrane electrode assembly
Publication number
20060228603
Publication date
Oct 12, 2006
Hitachi Maxell, Ltd.
Hideo Daimon
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell, membrane electrode assembly, catalyst used therefor, and...
Publication number
20060099488
Publication date
May 11, 2006
HITACHI MAXELL, LTD.
Hideo Daimon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Metal coated member and fabrication method thereof
Publication number
20040104479
Publication date
Jun 3, 2004
Hitachi Maxell, Ltd.
Hideo Daimon
G02 - OPTICS