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Semiconductor device
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Patent number 5,029,323
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Issue date Jul 2, 1991
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Hitachi, Ltd.
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Shinji Nakazato
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 4,868,626
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Issue date Sep 19, 1989
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Hitachi, Ltd.
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Shinji Nakazato
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 4,672,416
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Issue date Jun 9, 1987
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Hitachi, Ltd.
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Shinji Nakazato
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H01 - BASIC ELECTRIC ELEMENTS