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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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Electronic apparatus
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Patent number 5,592,363
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Issue date Jan 7, 1997
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Hitachi, Ltd.
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Takayuki Atarashi
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H01 - BASIC ELECTRIC ELEMENTS
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Heat transfer fin
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Patent number 4,791,984
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Issue date Dec 20, 1988
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Hitachi, Ltd.
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Toshio Hatada
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F28 - HEAT EXCHANGE IN GENERAL
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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...