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Magnetic recording medium
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Patent number 5,885,724
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Issue date Mar 23, 1999
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Kao Corporation
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Osamu Yoshida
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 5,853,871
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Issue date Dec 29, 1998
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Kao Corporation
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Noriyuki Kitaori
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 5,817,429
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Issue date Oct 6, 1998
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Kao Corporation
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Junko Ishikawa
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 5,800,917
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Issue date Sep 1, 1998
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Kao Corporation
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Noriyuki Kitaori
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 5,766,781
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Issue date Jun 16, 1998
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Kao Corporation
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Noriyuki Kitaori
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G11 - INFORMATION STORAGE
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Magnetic recording medium
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Patent number 5,744,234
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Issue date Apr 28, 1998
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Kao Corporation
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Noriyuki Kitaori
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G11 - INFORMATION STORAGE
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