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Magnetic recording medium
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Patent number 6,541,125
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Issue date Apr 1, 2003
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Hitachi, Ltd.
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Masaaki Futamoto
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 6,383,667
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Issue date May 7, 2002
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Hitachi, Ltd.
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Masaaki Futamoto
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G11 - INFORMATION STORAGE
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Bloch line memory device
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Patent number 4,845,671
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Issue date Jul 4, 1989
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Hitachi, Ltd.
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Youji Maruyama
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G11 - INFORMATION STORAGE
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Magnetic bubble device
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Patent number 4,621,344
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Issue date Nov 4, 1986
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Hitachi, Ltd.
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Toshihiro Sato
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G11 - INFORMATION STORAGE
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Magnetic bubble device
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Patent number 4,589,094
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Issue date May 13, 1986
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Hitachi, Ltd.
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Teruaki Takeuchi
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G11 - INFORMATION STORAGE
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Magnetic bubble device
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Patent number 4,546,452
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Issue date Oct 8, 1985
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Hitachi, Ltd.
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Ryo Suzuki
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G11 - INFORMATION STORAGE