Inventor
HARA TOMOKA
JP12 patents
Patents
12 patentsUS9923149B2Mar 20, 2018
Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations73
US12448401B2Oct 21, 2025
Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations63
US12364159B2Jul 15, 2025
Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US11107995B2Aug 31, 2021
Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations62
US10770660B2Sep 8, 2020
Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations52
US9978962B2May 22, 2018
Organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations52
US9938309B2Apr 10, 2018
Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations52
US11690290B2Jun 27, 2023
Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations51
US11456424B2Sep 27, 2022
Phosphorescent host material
SEMICONDUCTOR ENERGY LAB0 citations51
US11024809B2Jun 1, 2021
Light-emitting element, light-emitting device, electronic device, lighting device, and organometallic complex
SEMICONDUCTOR ENERGY LAB0 citations51
US12043624B2Jul 23, 2024
Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations50
US12029118B2Jul 2, 2024
Organic compound, light-emitting device, light-emitting apparatus, electronic device and lighting device
SEMICONDUCTOR ENERGY LAB0 citations48