Inventor
OKAWA HARUKI
JP13 patents
Patents
13 patentsUS10023743B2Jul 17, 2018
Dichroic pigment compounds and compositions containing the same
SUMITOMO CHEMICAL CO2 citations70
US9644148B2May 9, 2017
Liquid Crystal composition
SUMITOMO CHEMICAL CO2 citations70
US10336938B2Jul 2, 2019
Liquid crystal composition
SUMITOMO CHEMICAL CO2 citations68
US10029982B2Jul 24, 2018
Light absorptive compound, polymer composition containing the compound, polymer film, and cured layer
SUMITOMO CHEMICAL CO4 citations67
US11613702B2Mar 28, 2023
Liquid crystal composition
SUMITOMO CHEMICAL CO0 citations49
US10961456B2Mar 30, 2021
Dichroic dye compound, polarizing film, and uses thereof
SUMITOMO CHEMICAL CO0 citations49
US11193065B2Dec 7, 2021
Liquid crystal composition, method of producing the same, and retardation film constituted from the same
SUMITOMO CHEMICAL CO0 citations47
US10557978B2Feb 11, 2020
Composition, optical film including composition, and method of producing optical film
SUMITOMO CHEMICAL CO0 citations40
US10731078B2Aug 4, 2020
Composition
SUMITOMO CHEMICAL CO0 citations39
US10513612B2Dec 24, 2019
Dichroic azo compound and composition containing the same
SUMITOMO CHEMICAL CO0 citations39
US10514484B2Dec 24, 2019
Dichroic dye compound, polarizing film, and uses thereof
SUMITOMO CHEMICAL CO0 citations39
US10160734B2Dec 25, 2018
Dichroic dye compound, polarizing film, and uses thereof
SUMITOMO CHEMICAL CO0 citations39
US10005960B2Jun 26, 2018
Composition and polarizing film
SUMITOMO CHEMICAL CO0 citations39