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Thermal print head
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Patent number 4,636,813
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Issue date Jan 13, 1987
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Hitachi, Ltd.
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Kazuyoshi Mego
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal printhead
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Patent number 4,517,444
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Issue date May 14, 1985
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Hitachi, Ltd.
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Tsuneyoshi Kawahito
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Resistor
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Patent number 4,460,494
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Issue date Jul 17, 1984
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Hitachi, Ltd.
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Katsuo Abe
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H01 - BASIC ELECTRIC ELEMENTS