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Thin film magnetic head
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Patent number 5,001,591
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Issue date Mar 19, 1991
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Alps Electric Co., Ltd.
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Keishi Nakashima
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G11 - INFORMATION STORAGE
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Magnetic head
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Patent number 4,641,213
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Issue date Feb 3, 1987
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Alps Electric Co., Ltd.
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Yutaka Shimada
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,609,593
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Issue date Sep 2, 1986
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Alps Electric Co., Ltd.
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Keishi Nakashima
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G11 - INFORMATION STORAGE
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Soft magnetic material
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Patent number 4,557,769
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Issue date Dec 10, 1985
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Alps Electric Co., Ltd.
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Yutaka Shimada
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