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Display control circuit
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Patent number 4,958,151
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Issue date Sep 18, 1990
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Kabushiki Kaisha Toshiba
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Hiroshi Ushiki
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G06 - COMPUTING CALCULATING COUNTING
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CMOS output circuit device
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Patent number 4,791,321
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Issue date Dec 13, 1988
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Kabushiki Kaisha Toshiba
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Yasunori Tanaka
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H03 - BASIC ELECTRONIC CIRCUITRY
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Key circuit
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Patent number 4,701,748
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Issue date Oct 20, 1987
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Kabushiki Kaisha Toshiba
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Hiroshi Ushiki
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H03 - BASIC ELECTRONIC CIRCUITRY
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Read/write control circuit
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Patent number 4,697,101
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Issue date Sep 29, 1987
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Kabushiki Kaisha Toshiba
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Hiroshi Iwahashi
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G11 - INFORMATION STORAGE
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Differential amplifier
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Patent number 4,626,795
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Issue date Dec 2, 1986
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Kabushiki Kaisha Toshiba
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Tatsuo Tanaka
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H03 - BASIC ELECTRONIC CIRCUITRY