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Magnetic head device
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Patent number 5,051,854
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Issue date Sep 24, 1991
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Alps Electric Co., Ltd.
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Atsushi Iwanaga
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G11 - INFORMATION STORAGE
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Head assembly
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Patent number 4,996,615
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Issue date Feb 26, 1991
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Alps Electric Co., Ltd.
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Atsushi Iwanaga
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G11 - INFORMATION STORAGE
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Disk memory device
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Patent number 4,719,526
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Issue date Jan 12, 1988
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Alps Electric Co., Ltd.
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Masao Okita
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G11 - INFORMATION STORAGE