Inventor
SEDA KEITA
JP18 patents
Patents
18 patentsUS10249832B1Apr 2, 2019
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO32 citations98
US10680181B2Jun 9, 2020
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO11 citations94
US10593889B1Mar 17, 2020
Compound and organic electroluminescence device
IDEMITSU KOSAN CO14 citations86
US10672989B2Jun 2, 2020
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO6 citations84
US10658594B2May 19, 2020
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO6 citations84
US12262634B2Mar 25, 2025
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO2 citations75
US12108666B2Oct 1, 2024
Compound and organic electroluminescence device
IDEMITSU KOSAN CO2 citations73
US11569449B2Jan 31, 2023
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO2 citations73
US11557730B2Jan 17, 2023
Organic electroluminescence device and novel compound
IDEMITSU KOSAN CO2 citations73
US12486450B2Dec 2, 2025
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO0 citations62
US11950498B2Apr 2, 2024
Compound, material for organic electroluminescence element using same, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO0 citations62
US11342512B2May 24, 2022
Compounds for organic electroluminescence device
IDEMITSU KOSAN CO1 citations62
US10811612B2Oct 20, 2020
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO1 citations62
US12146087B2Nov 19, 2024
Compound and organic electroluminescence device
IDEMITSU KOSAN CO0 citations52
US11139437B2Oct 5, 2021
Compound and organic electroluminescence device
IDEMITSU KOSAN CO0 citations52
US12448353B2Oct 21, 2025
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations51
US12543494B2Feb 3, 2026
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations49
US12232419B2Feb 18, 2025
Compound, and organic electroluminescence device and electronic apparatus using the same
IDEMITSU KOSAN CO0 citations48