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Fuel cell
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Patent number 4,699,853
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Issue date Oct 13, 1987
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Hitachi, Ltd.
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Hideo Okada
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H01 - BASIC ELECTRIC ELEMENTS
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Fuel cell
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Patent number 4,643,957
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Issue date Feb 17, 1987
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Hitachi, Ltd.
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Seizi Takeuchi
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H01 - BASIC ELECTRIC ELEMENTS
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Fuel cell power plant
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Patent number 4,622,275
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Issue date Nov 11, 1986
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Hitachi, Ltd.
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Yoshiki Noguchi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Fuel cell
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Patent number 4,542,079
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Issue date Sep 17, 1985
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Hitachi, Ltd.
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Masato Takeuchi
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H01 - BASIC ELECTRIC ELEMENTS
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Fuel cell
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Patent number 4,480,017
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Issue date Oct 30, 1984
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Hitachi, Ltd.
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Masato Takeuchi
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H01 - BASIC ELECTRIC ELEMENTS
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Fused carbonate fuel cell
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Patent number 4,476,199
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Issue date Oct 9, 1984
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Hitachi, Ltd.
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Masato Takeuchi
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H01 - BASIC ELECTRIC ELEMENTS
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Fuel cell electrode
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Patent number 4,446,210
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Issue date May 1, 1984
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Hitachi, Ltd.
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Hideo Okada
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H01 - BASIC ELECTRIC ELEMENTS
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Molten carbonate fuel cell
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Patent number 4,436,794
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Issue date Mar 13, 1984
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Hitachi, Ltd.
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Masato Takeuchi
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H01 - BASIC ELECTRIC ELEMENTS
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Fuel cell
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Patent number 4,407,905
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Issue date Oct 4, 1983
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Hitachi, Ltd.
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Seizi Takeuchi
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H01 - BASIC ELECTRIC ELEMENTS
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