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Magnetic recording medium
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Patent number 4,810,555
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Issue date Mar 7, 1989
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TDK Corporation
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Toru Shimozawa
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,772,522
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Issue date Sep 20, 1988
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TDK Corporation
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Yuichi Kubota
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,746,558
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Issue date May 24, 1988
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TDK Corporation
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Toru Shimozawa
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,741,954
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Issue date May 3, 1988
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TDX Corporation
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Toshiaki Ide
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,735,844
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Issue date Apr 5, 1988
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TDK Corporation
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Toshiaki Ide
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,734,326
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Issue date Mar 29, 1988
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TDK Corporation
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Masaharu Nishimatsu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,726,990
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Issue date Feb 23, 1988
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TDK Corporation
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Toru Shimozawa
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,720,411
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Issue date Jan 19, 1988
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TDK Corporation
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Toru Shimozawa
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,702,959
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Issue date Oct 27, 1987
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TDK Corporation
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Toru Shimozawa
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,701,375
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Issue date Oct 20, 1987
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TDK Corporation
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Masaharu Nishimatsu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,699,819
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Issue date Oct 13, 1987
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TDK Corporation
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Toshiaki Ide
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,678,708
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Issue date Jul 7, 1987
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TDK Corporation
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Shigeru Shimada
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,677,023
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Issue date Jun 30, 1987
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TDK Corporation
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Hideki Ishizaki
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,639,389
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Issue date Jan 27, 1987
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TDK Corporation
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Masaharu Nishimatsu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,629,646
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Issue date Dec 16, 1986
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TDK Corporation
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Toshiaki Ide
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,628,009
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Issue date Dec 9, 1986
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TDK Corporation
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Masaharu Nishimatsu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,621,008
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Issue date Nov 4, 1986
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TDK Corporation
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Yasufumi Takasugi
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,618,535
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Issue date Oct 21, 1986
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TDK Corporation
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Masaharu Nishimatsu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,614,687
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Issue date Sep 30, 1986
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TDK Corporation
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Masaharu Nishimatsu
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 4,603,081
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Issue date Jul 29, 1986
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TDK Corporation
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Shigeru Shimada
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G11 - INFORMATION STORAGE