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Power source
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Patent number 6,479,187
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Issue date Nov 12, 2002
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Sanyo Electric Co., LTD
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Yoshiharu Takasaki
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H01 - BASIC ELECTRIC ELEMENTS
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Power source
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Patent number 6,287,150
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Issue date Sep 11, 2001
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Sanyo Electric Co., LTD
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Takashi Oda
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H01 - BASIC ELECTRIC ELEMENTS
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Battery pack
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Patent number 6,271,644
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Issue date Aug 7, 2001
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Hudson Soft, Co., Ltd.
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Setsuo Okada
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H01 - BASIC ELECTRIC ELEMENTS