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Semiconductor device
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Patent number 5,396,102
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Issue date Mar 7, 1995
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Hitachi, Ltd.
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Sugano Toshio
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 5,103,247
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Issue date Apr 7, 1992
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Hitachi, Ltd.
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Toshio Sugano
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
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Patent number 4,984,064
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Issue date Jan 8, 1991
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Hitachi, Ltd.
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Sugano Toshio
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H01 - BASIC ELECTRIC ELEMENTS