Inventor
SASADA TOSHIAKI
JP18 patents
Patents
18 patentsUS11424410B2Aug 23, 2022
Light emitting device
SUMITOMO CHEMICAL CO2 citations70
US11770941B2Sep 26, 2023
Film production method
SUMITOMO CHEMICAL CO0 citations59
US10964902B2Mar 30, 2021
Film production method
SUMITOMO CHEMICAL CO0 citations59
US11225602B2Jan 18, 2022
Light emitting device
SUMITOMO CHEMICAL CO1 citations58
US10497885B2Dec 3, 2019
Light emitting device and composition used for this light emitting device
SUMITOMO CHEMICAL CO1 citations58
US11889751B2Jan 30, 2024
Light emitting element
SUMITOMO CHEMICAL CO0 citations50
US11515477B2Nov 29, 2022
Light emitting device having thermally activated delayed fluorescent (TADF) compound
SUMITOMO CHEMICAL CO0 citations50
US12284904B2Apr 22, 2025
Light emitting device and production method thereof, and composition for light emitting device and production method thereof
SUMITOMO CHEMICAL CO0 citations49
US12250870B2Mar 11, 2025
Light emitting device and production method thereof, and composition for light emitting device and production method thereof
SUMITOMO CHEMICAL CO0 citations49
US11420930B2Aug 23, 2022
Composition for light emitting device and light emitting device containing the same
SUMITOMO CHEMICAL CO0 citations49
US11339134B2May 24, 2022
Composition and light emitting element device using the same
SUMITOMO CHEMICAL CO0 citations49
US11271166B2Mar 8, 2022
Light emitting device and composition useful for production of same light emitting device
SUMITOMO CHEMICAL CO0 citations49
US11158829B2Oct 26, 2021
Method for producing a composition for a light-emitting element and method for evaluating same
SUMITOMO CHEMICAL CO0 citations49
US11005044B2May 11, 2021
Light emitting device
SUMITOMO CHEMICAL CO0 citations49
US11588119B2Feb 21, 2023
Light emitting device
SUMITOMO CHEMICAL CO0 citations47
US10141514B2Nov 27, 2018
Composition and light emitting device using the same
SUMITOMO CHEMICAL CO1 citations47
US11532790B2Dec 20, 2022
Composition and light emitting device using the same
SUMITOMO CHEMICAL CO0 citations44
US9929359B2Mar 27, 2018
Composition and light emitting device using the same
SUMITOMO CHEMICAL CO0 citations35