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Semiconductor memory device
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Patent number 4,797,717
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Issue date Jan 10, 1989
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Hitachi, Ltd.
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Koichiro Ishibashi
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H01 - BASIC ELECTRIC ELEMENTS
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Solid-state imaging device
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Patent number 4,349,743
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Issue date Sep 14, 1982
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Hitachi, Ltd.
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Shinya Ohba
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Solid-state imaging device
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Patent number 4,335,406
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Issue date Jun 15, 1982
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Hitachi, Ltd.
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Shinya Ohba
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Solid-state imaging device
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Patent number 4,274,113
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Issue date Jun 16, 1981
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Hitachi, Ltd.
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Shinya Ohba
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Solid-state imaging device
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Patent number 4,268,845
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Issue date May 19, 1981
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Hitachi, Ltd.
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Norio Koike
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H04 - ELECTRIC COMMUNICATION TECHNIQUE