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Semiconductor memory device
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Patent number 6,463,558
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Issue date Oct 8, 2002
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Oki Electric Industry Co., Ltd.
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Osamu Kuroki
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G11 - INFORMATION STORAGE
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Semiconductor device
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Patent number 6,337,812
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Issue date Jan 8, 2002
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Oki Electric Industry Co., Ltd.
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Akihiro Tokito
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G11 - INFORMATION STORAGE
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Semiconductor integrated circuit
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Patent number 6,208,566
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Issue date Mar 27, 2001
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Oki Electric Industry Co., Ltd.
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Osamu Kuroki
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G06 - COMPUTING CALCULATING COUNTING