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Semiconductor device
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Patent number 5,227,660
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Issue date Jul 13, 1993
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Hitachi, Ltd.
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Masatada Horiuchi
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 4,860,086
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Issue date Aug 22, 1989
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Hitachi, Ltd.
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Tohru Nakamura
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 4,829,361
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Issue date May 9, 1989
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Hitachi, Ltd.
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Kazuhiko Sagara
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 4,812,894
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Issue date Mar 14, 1989
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Hitachi, Ltd.
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Tohru Nakamura
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H01 - BASIC ELECTRIC ELEMENTS
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