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Optical recording disk
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Patent number 6,232,036
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Issue date May 15, 2001
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Mitsubishi Chemical Corporation
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Yuki Suzuki
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G11 - INFORMATION STORAGE
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Optical recording medium
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Patent number 6,214,519
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Issue date Apr 10, 2001
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Mitsubishi Chemical Corporation
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Yuki Suzuki
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G11 - INFORMATION STORAGE
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Azo metal chelate compound
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Patent number 5,532,342
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Issue date Jul 2, 1996
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Mitsubishi Chemical Corporation
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Tameichi Ochiai
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C07 - ORGANIC CHEMISTRY
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Optical recording member
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Patent number 4,904,567
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Issue date Feb 27, 1990
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Mitsubishi Kasei Corporation
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Shuichi Maeda
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Optical recording member
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Patent number 4,769,307
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Issue date Sep 6, 1988
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Mitsubishi Chemical Industries Limited
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Tetsuo Ozawa
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G11 - INFORMATION STORAGE
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Optical recording medium
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Patent number 4,756,987
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Issue date Jul 12, 1988
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Mitsubishi Chemical Industries Limited
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Shuichi Maeda
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Optical recording medium
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Patent number 4,737,443
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Issue date Apr 12, 1988
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Mitsubishi Chemical Industries Limited
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Toshio Niwa
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G11 - INFORMATION STORAGE