Inventor
YAMAKI TARO
JP31 patents
Patents
31 patentsUS10763441B2Sep 1, 2020
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO7 citations84
US11482675B1Oct 25, 2022
Organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO7 citations73
US11117857B2Sep 14, 2021
Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
IDEMITSU KOSAN CO3 citations73
US10804474B2Oct 13, 2020
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO4 citations73
US10763444B2Sep 1, 2020
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO5 citations73
US12477945B2Nov 18, 2025
Organic electroluminescence device and electronic apparatus equipped with the same
IDEMITSU KOSAN CO1 citations64
US12284916B2Apr 22, 2025
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO1 citations64
US12516066B2Jan 6, 2026
Compound, organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO0 citations62
US12486450B2Dec 2, 2025
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO0 citations62
US12410182B2Sep 9, 2025
Compound, organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO0 citations62
US12384739B2Aug 12, 2025
Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations62
US12317740B2May 27, 2025
Organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO0 citations62
US12202837B2Jan 21, 2025
Compound, organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO0 citations62
US12171141B2Dec 17, 2024
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO1 citations62
US11939279B2Mar 26, 2024
Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations62
US11600780B1Mar 7, 2023
Organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO0 citations62
US10811612B2Oct 20, 2020
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO1 citations62
US10777752B2Sep 15, 2020
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO1 citations62
US10290815B2May 14, 2019
Composition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO1 citations62
US11527720B1Dec 13, 2022
Organic electroluminescence device, electronic device, and compound
IDEMITSU KOSAN CO1 citations56
US12516240B2Jan 6, 2026
Compound, organic electroluminescence device using the same, and electronic apparatus
IDEMITSU KOSAN CO0 citations52
US12433162B2Sep 30, 2025
Compound, organic electroluminescence device, and electronic apparatus
IDEMITSU KOSAN CO0 citations52
US12356850B2Jul 8, 2025
Compound, and organic electroluminescence device and electronic apparatus using the same
IDEMITSU KOSAN CO0 citations52
US12284915B2Apr 22, 2025
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO0 citations52
US12156467B2Nov 26, 2024
Organic electroluminescence device and electronic appliance using the same
IDEMITSU KOSAN CO0 citations52
US12133462B2Oct 29, 2024
Organic electroluminescence device and electronic apparatus equipped with the same
IDEMITSU KOSAN CO0 citations52
US11997920B2May 28, 2024
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations52
US11283025B2Mar 22, 2022
Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO0 citations52
US12543494B2Feb 3, 2026
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations49
US12481844B2Nov 25, 2025
Organic electroluminescent element, electronic device, and compound
IDEMITSU KOSAN CO0 citations46
US10538514B2Jan 21, 2020
Compound, composition, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO0 citations41