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Fuel cell
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Patent number 4,493,879
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Issue date Jan 15, 1985
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Hitachi, Ltd.
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Toshiki Kahara
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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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Method of manufacturing catalyst
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Patent number 4,409,129
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Issue date Oct 11, 1983
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Hitachi, Ltd.
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Seizi Takeuchi
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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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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