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Semiconductor module
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Patent number 5,705,850
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Issue date Jan 6, 1998
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Hitachi, Ltd.
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Noriyuki Ashiwake
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H01 - BASIC ELECTRIC ELEMENTS
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Magnetic disk storage system
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Patent number 5,414,591
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Issue date May 9, 1995
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Hitachi, Ltd.
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Hideyuki Kimura
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G06 - COMPUTING CALCULATING COUNTING
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Heat pump apparatus
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Patent number 4,528,823
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Issue date Jul 16, 1985
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Hitachi, Ltd.
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Taketoshi Mochizuki
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Expansion valve
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Patent number 4,500,035
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Issue date Feb 19, 1985
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Hitachi, Ltd.
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Shigeaki Kuroda
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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