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Power conversion system
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Patent number 9,660,284
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Issue date May 23, 2017
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Hitachi, Ltd.
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Atsushi Shimada
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C01 - INORGANIC CHEMISTRY
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Renewable energy storage system
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Patent number 9,028,781
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Issue date May 12, 2015
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Hitachi, Ltd.
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Hiroto Naito
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Engine system
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Patent number 8,397,680
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Issue date Mar 19, 2013
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Hitachi, Ltd.
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Atsushi Shimada
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B60 - VEHICLES IN GENERAL
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Electrolyzer and electrodes
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Patent number 8,142,626
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Issue date Mar 27, 2012
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Hitachi, Ltd.
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Masatoshi Sugimasa
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Hydrogen engine system
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Patent number 7,654,232
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Issue date Feb 2, 2010
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Hitachi, Ltd.
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Hirotoshi Ishimaru
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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