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Integrated circuit device
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Patent number 4,809,058
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Issue date Feb 28, 1989
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Hitachi, Ltd.
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Takao Funamoto
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H01 - BASIC ELECTRIC ELEMENTS
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Magnetic wedge
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Patent number 4,761,581
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Issue date Aug 2, 1988
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Hitachi, Ltd.
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Masatoshi Watanabe
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Sliding current collector
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Patent number 4,657,818
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Issue date Apr 14, 1987
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Hitachi, Ltd.
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Nobuyuki Yamashita
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H01 - BASIC ELECTRIC ELEMENTS
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Squirrel-cage induction motor
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Patent number 4,562,397
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Issue date Dec 31, 1985
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Hitachi, Ltd.
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Yukio Kitabayashi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Induction motor
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Patent number 4,409,506
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Issue date Oct 11, 1983
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Hitachi, Ltd.
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Motoya Ito
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electric rotary machine
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Patent number 4,316,113
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Issue date Feb 16, 1982
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Hitachi, Ltd.
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Masaki Sato
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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