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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
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Film forming method
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Patent number 4,444,635
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Issue date Apr 24, 1984
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Hitachi, Ltd.
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Shigeru Kobayashi
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...