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Semiconductor memory
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Patent number 5,047,986
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Issue date Sep 10, 1991
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Hitachi, Ltd.
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Kazuhisa Miyamoto
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G11 - INFORMATION STORAGE
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Semiconductor memory unit
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Patent number 4,935,898
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Issue date Jun 19, 1990
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Hitachi, Ltd.
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Shuuichi Miyaoka
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G11 - INFORMATION STORAGE
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Semiconductor memory
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Patent number 4,899,314
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Issue date Feb 6, 1990
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Hitachi, Ltd.
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Kazuhisa Miyamoto
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G11 - INFORMATION STORAGE
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