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Semiconductor memory
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Patent number 5,237,528
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Issue date Aug 17, 1993
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Hitachi, Ltd.
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Hideo Sunami
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G11 - INFORMATION STORAGE
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Semiconductor memory
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Patent number 5,214,496
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Issue date May 25, 1993
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Hitachi, Ltd.
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Hideo Sunami
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G11 - INFORMATION STORAGE
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Semiconductor memory
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Patent number 4,901,128
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Issue date Feb 13, 1990
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Hitachi, Ltd.
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Hideo Sunami
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G11 - INFORMATION STORAGE
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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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