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Susumu Koyama
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Chiba, JP
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last 30 patents
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Patent Grant
Liquid-crystal composition for liquid-crystal display elements and...
Patent number
6,022,493
Issue date
Feb 8, 2000
Chisso Corporation
Kisei Kitano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Lactone compound and composition comprising the same
Patent number
5,256,330
Issue date
Oct 26, 1993
Chisso Corporation
Susumu Koyama
C07 - ORGANIC CHEMISTRY