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Hiroshi Yamauchi
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Hadano, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Separator and fuel cell using thereof
Patent number
7,745,035
Issue date
Jun 29, 2010
Hitachi, Ltd.
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel cell system and diagnosis system for the fuel cell system
Patent number
7,695,838
Issue date
Apr 13, 2010
Hitachi, Ltd.
Masahiro Komachiya
G01 - MEASURING TESTING
Information
Patent Grant
Separator for fuel cell and fuel cell containing the separator
Patent number
7,678,486
Issue date
Mar 16, 2010
Hitachi, Ltd.
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel cell device and fuel cell management system
Patent number
7,553,572
Issue date
Jun 30, 2009
Hitachi, Ltd.
Masahiro Komachiya
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel cell and separator structure used therein
Patent number
7,320,841
Issue date
Jan 22, 2008
Hitachi, Ltd.
Kenji Yamaga
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Underwater laser processing device including chamber with partition...
Patent number
5,977,515
Issue date
Nov 2, 1999
Hitachi, Ltd.
Keiichi Uraki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of measuring a corrosion potential, method of simulating pot...
Patent number
5,579,354
Issue date
Nov 26, 1996
Hitachi, Ltd.
Masanori Sakai
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring degree of corrosion of metal mat...
Patent number
5,519,330
Issue date
May 21, 1996
Hitachi, Ltd.
Hiroshi Yamauchi
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
SEPARATOR AND FUEL CELL USING THEREOF
Publication number
20090081524
Publication date
Mar 26, 2009
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CATALYST FOR FUEL CELLS
Publication number
20090042079
Publication date
Feb 12, 2009
Shuichi Suzuki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
MEMBRANE-ELECTRODE ASSEMBLY AND DIRECT METHANOL FUEL CELL
Publication number
20080261097
Publication date
Oct 23, 2008
HITACHI LTD.
Osamu Kubota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell system and diagnosis system for the fuel cell system
Publication number
20070196707
Publication date
Aug 23, 2007
Masahiro Komachiya
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell device and fuel cell management system
Publication number
20070087236
Publication date
Apr 19, 2007
Masahiro Komachiya
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Separator for fuel cell and fuel cell using it
Publication number
20060147787
Publication date
Jul 6, 2006
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Separator for fuel cell and fuel cell using it
Publication number
20060127744
Publication date
Jun 15, 2006
Kenji Yamaga
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Solid polymer type fuel cell, metal separator for fuel cell, and ki...
Publication number
20050277013
Publication date
Dec 15, 2005
Kenji Yamaga
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell, separator unit kit for fuel cell, and fuel cell generati...
Publication number
20050255367
Publication date
Nov 17, 2005
Ko Takahashi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Separator and fuel cell using thereof
Publication number
20050221158
Publication date
Oct 6, 2005
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Polymer electrolyte membrane fuel cell and bipolar plate
Publication number
20050136315
Publication date
Jun 23, 2005
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell and separator for cooling used therein
Publication number
20050106444
Publication date
May 19, 2005
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell and separator structure used therein
Publication number
20050089747
Publication date
Apr 28, 2005
Kenji Yamaga
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
IC card having security control
Publication number
20040172541
Publication date
Sep 2, 2004
Hitachi, Ltd
Kazunori Ando
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Polymer electrolyte membrane fuel cell and bipolar plate
Publication number
20040142226
Publication date
Jul 22, 2004
Hiroshi Yamauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...