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Masato Ishiyama
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Ichihara-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Resin composition for optical material, optical film, and liquid cr...
Patent number
9,690,010
Issue date
Jun 27, 2017
DIC Corporation
Teppei Ujihara
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
RESIN COMPOSITION FOR OPTICAL MATERIAL, OPTICAL FILM, AND LIQUID CR...
Publication number
20160223714
Publication date
Aug 4, 2016
DIC CORPORATION
Teppei Ujihara
G02 - OPTICS
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Patent Application
MODIFIER FOR CELLULOSE ESTER RESINS, CELLULOSE ESTER OPTICAL FILM,...
Publication number
20150232612
Publication date
Aug 20, 2015
DIC CORPORATION
Yusuke Tajiri
G02 - OPTICS