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Card drive apparatus and card
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Patent number 6,016,959
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Issue date Jan 25, 2000
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Mitsubishi Denki Kabushiki Kaisha
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Masayoshi Kamo
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G06 - COMPUTING CALCULATING COUNTING
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Card drive apparatus and card
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Patent number 5,942,744
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Issue date Aug 24, 1999
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Mitsubishi Denki Kabushiki Kaisha
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Masayoshi Kamo
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G06 - COMPUTING CALCULATING COUNTING
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Magnetic recorIding device
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Patent number 5,363,251
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Issue date Nov 8, 1994
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Mitsubishi Denki Kabushiki Kaisha
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Masayoshi Kamo
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G11 - INFORMATION STORAGE
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Memory device
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Patent number 4,891,727
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Issue date Jan 2, 1990
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Mitsubishi Denki K.K.
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Tadashi Sato
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G11 - INFORMATION STORAGE