Inventor
HATANAKA NOBUYUKI
JP28 patents
Patents
28 patentsUS9529130B2Dec 27, 2016
Optical film
SUMITOMO CHEMICAL CO7 citations83
US9421572B2Aug 23, 2016
Optically absorptive anisotropic film, three-dimensional optically absorptive anisotropic film and method for producing the same
SUMITOMO CHEMICAL CO8 citations83
US10145997B2Dec 4, 2018
Polarizing plate and polarizing plate assembly
SUMITOMO CHEMICAL CO3 citations73
US10139540B2Nov 27, 2018
Optical film
SUMITOMO CHEMICAL CO4 citations72
US9696475B2Jul 4, 2017
Optical film
SUMITOMO CHEMICAL CO6 citations72
US9599759B2Mar 21, 2017
Patterned polarizing film and its production process
SUMITOMO CHEMICAL CO4 citations72
US9541691B2Jan 10, 2017
Optical Film
SUMITOMO CHEMICAL CO4 citations72
US9383492B2Jul 5, 2016
Elliptical polarization plate
SUMITOMO CHEMICAL CO6 citations72
US12110439B2Oct 8, 2024
Perpendicularly aligned liquid crystal cured film and laminate including same
SUMITOMO CHEMICAL CO2 citations71
US11971566B2Apr 30, 2024
Horizontally oriented liquid crystal cured film and laminate including the same
SUMITOMO CHEMICAL CO2 citations71
US11634639B2Apr 25, 2023
Polarizing film, method for manufacturing same, polarizing plate, and display device
SUMITOMO CHEMICAL CO0 citations62
US11402560B2Aug 2, 2022
Method for producing laminated body
SUMITOMO CHEMICAL CO0 citations62
US11009639B2May 18, 2021
Polarizing plate and polarizing plate assembly
SUMITOMO CHEMICAL CO0 citations62
US10890702B2Jan 12, 2021
Method for producing laminated body
SUMITOMO CHEMICAL CO1 citations62
US10690953B2Jun 23, 2020
Polarizing plate and circularly polarizing plate
SUMITOMO CHEMICAL CO1 citations62
US10670787B2Jun 2, 2020
Liquid crystal cured film, optical film including the liquid crystal cured film, and display device
SUMITOMO CHEMICAL CO1 citations61
US9482802B2Nov 1, 2016
Method for producing long retardation film
SUMITOMO CHEMICAL CO2 citations61
US9507068B2Nov 29, 2016
Method for producing elongate polarizer plate
SUMITOMO CHEMICAL CO1 citations51
US9442232B2Sep 13, 2016
Optically anisotropic sheet
SUMITOMO CHEMICAL CO1 citations51
US11155754B2Oct 26, 2021
Composition and display device
SUMITOMO CHEMICAL CO0 citations50
US11002896B2May 11, 2021
Retardation film
SUMITOMO CHEMICAL CO0 citations49
US11591519B2Feb 28, 2023
Polymerizable liquid crystal composition and retardation plate
SUMITOMO CHEMICAL CO0 citations42
US12393077B2Aug 19, 2025
Optical laminate and method of producing the optical laminate
SUMITOMO CHEMICAL CO0 citations41
US10132973B2Nov 20, 2018
Elliptically polarizing plate
SUMITOMO CHEMICAL CO0 citations41
US10598836B2Mar 24, 2020
Laminated body, circularly polarizing plate including laminated body, display device including laminated body
SUMITOMO CHEMICAL CO0 citations40
US10557978B2Feb 11, 2020
Composition, optical film including composition, and method of producing optical film
SUMITOMO CHEMICAL CO0 citations40
US9482801B2Nov 1, 2016
Method for producing long circular polarization plate and long circular polarization plate
SUMITOMO CHEMICAL CO0 citations40
US12310237B2May 20, 2025
Optically anisotropic film and laminate including the same
SUMITOMO CHEMICAL CO0 citations37