Inventor
KITANO YASUSHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KITANO YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
20 patentsUS10418565B2Sep 17, 2019
Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound
SEMICONDUCTOR ENERGY LAB7 citations84
US9985221B2May 29, 2018
Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound
SEMICONDUCTOR ENERGY LAB5 citations84
US9178158B2Nov 3, 2015
Light-emitting element, light-emitting device, electronic device, lighting device and organic compound
SEMICONDUCTOR ENERGY LAB16 citations84
US12127479B2Oct 22, 2024
Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound
SEMICONDUCTOR ENERGY LAB1 citations73
US11800799B2Oct 24, 2023
Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound
SEMICONDUCTOR ENERGY LAB1 citations73
US11552256B2Jan 10, 2023
Light-emitting element, light-emitting device, electronic device, lighting device, and organic compound
SEMICONDUCTOR ENERGY LAB1 citations73
US9923149B2Mar 20, 2018
Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations73
US9570690B2Feb 14, 2017
Heterocyclic compound
SEMICONDUCTOR ENERGY LAB2 citations73
US9368732B2Jun 14, 2016
Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB3 citations73
US12139446B2Nov 12, 2024
Arylamine compound, hole-transport layer material, hole-injection layer material, light-emitting device, light-emitting apparatus, electronic apparatus, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations71
US12419155B2Sep 16, 2025
Hole-transport layer material, electron-blocking layer material, electron-transport layer material, hole-blocking layer material, light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations63
US9159934B2Oct 13, 2015
Organic material, light-emitting element, light-emitting device, electronic appliance, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations63
US10770660B2Sep 8, 2020
Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations52
US10468602B2Nov 5, 2019
Heterocyclic compound, light-emitting element, light-emitting device, electronic appliance, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations52
US9960368B2May 1, 2018
Heterocyclic compound
SEMICONDUCTOR ENERGY LAB0 citations52
US9825230B2Nov 21, 2017
Heterocyclic compound, light-emitting element, light-emitting device, electronic appliance, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations52
US9196844B2Nov 24, 2015
Method of synthesizing pyrazine derivative, and light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations52
US9695158B2Jul 4, 2017
Dibenzo[f,h]quinoxaline derivative, method of synthesizing the same, light-emitting element, light-emitting device, electronic appliance, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations50
US11090577B2Aug 17, 2021
Purification method and purification apparatus
SEMICONDUCTOR ENERGY LAB0 citations45
US9985218B2May 29, 2018
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations42