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Yuko Okamoto
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Kanagawa, JP
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last 30 patents
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Patent Grant
Sulfonamide compound and method for its production, metal chelate c...
Patent number
6,284,877
Issue date
Sep 4, 2001
Mitsubishi Chemical Corporation
Yuko Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical recording disk
Patent number
6,232,036
Issue date
May 15, 2001
Mitsubishi Chemical Corporation
Yuki Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Sulfonamide compound and method for its production, metal chelate c...
Patent number
6,225,023
Issue date
May 1, 2001
Mitsubishi Chemical Corporation
Yuko Okamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical recording medium
Patent number
6,214,519
Issue date
Apr 10, 2001
Mitsubishi Chemical Corporation
Yuki Suzuki
G11 - INFORMATION STORAGE