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Metal air secondary battery
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Patent number 8,883,358
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Issue date Nov 11, 2014
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Hitachi, Ltd.
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Shin Takahashi
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Solid oxide fuel cell generation system
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Patent number 8,658,323
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Issue date Feb 25, 2014
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Hitachi, Ltd.
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Hidekazu Fujimura
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Fuel cell
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Patent number 8,206,867
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Issue date Jun 26, 2012
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Hitachi, Ltd.
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Hiromi Tokoi
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Fuel cells power generation system
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Patent number 8,173,317
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Issue date May 8, 2012
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Hitachi, Ltd.
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Akira Gunji
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Fuel cell power system
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Patent number 7,927,751
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Issue date Apr 19, 2011
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Hitachi, Ltd.
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Akira Gunji
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Home-use fuel cell system
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Patent number 7,091,625
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Issue date Aug 15, 2006
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Hitachi, Ltd.
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Tsutomu Okusawa
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER