Inventor
WATABE TAKEYOSHI
JP73 patents
⚠️ This page may combine multiple inventors who share the name “WATABE TAKEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
49 patentsUS9082994B2Jul 14, 2015
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB39 citations98
US10361388B2Jul 23, 2019
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB14 citations94
US10096658B2Oct 9, 2018
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB18 citations94
US9391290B2Jul 12, 2016
Light-emitting device comprising an organic compound
SEMICONDUCTOR ENERGY LAB17 citations93
US10693094B2Jun 23, 2020
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB17 citations86
US11462702B2Oct 4, 2022
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB5 citations84
US10950805B2Mar 16, 2021
Electronic device, light-emitting device, electronic appliance, and lighting device
SEMICONDUCTOR ENERGY LAB6 citations84
US10910576B2Feb 2, 2021
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB8 citations84
US10658604B2May 19, 2020
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB8 citations84
US10439156B2Oct 8, 2019
Light-emitting element, light-emitting device, display device, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB6 citations84
US10230055B2Mar 12, 2019
Compound, light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB5 citations84
US10224494B2Mar 5, 2019
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB9 citations84
US10128455B2Nov 13, 2018
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB7 citations84
US9991471B2Jun 5, 2018
Light-emitting element, light-emitting device, display device, and electronic device
SEMICONDUCTOR ENERGY LAB7 citations84
US9935286B2Apr 3, 2018
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB6 citations84
US9461259B2Oct 4, 2016
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB8 citations84
US9444063B2Sep 13, 2016
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB11 citations84
US12058878B2Aug 6, 2024
Light-emitting device, light-emitting apparatus, light-emitting module, lighting device, display apparatus, display module, and electronic device
SEMICONDUCTOR ENERGY LAB2 citations73
US12010861B2Jun 11, 2024
Light-emitting element, light-emitting device, display device, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB1 citations73
US11557742B2Jan 17, 2023
Light-emitting element and display device including compound having function of emitting TADF at room temperature
SEMICONDUCTOR ENERGY LAB1 citations73
US11276824B2Mar 15, 2022
Compound, light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations73
US11133482B2Sep 28, 2021
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB4 citations73
US10910568B2Feb 2, 2021
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB3 citations73
US10644250B2May 5, 2020
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB4 citations73
US9634267B2Apr 25, 2017
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB4 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
US10153449B2Dec 11, 2018
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations71
US10074822B2Sep 11, 2018
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB2 citations71
US12532602B2Jan 20, 2026
Light-emitting element, light-emitting device, display device, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB0 citations63
US12495662B2Dec 9, 2025
Light-emitting element and display device including TADF compound
SEMICONDUCTOR ENERGY LAB0 citations63
US12460130B2Nov 4, 2025
Organic compound, light-emitting device, light-emitting apparatus, electronic equipment, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB0 citations63
US12448401B2Oct 21, 2025
Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations63
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
US12022725B2Jun 25, 2024
Electronic device, light-emitting device, electronic appliance, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations63
US11964928B2Apr 23, 2024
Organic compound, light-emitting device, light-emitting apparatus, electronic equipment, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB0 citations63
US11462701B2Oct 4, 2022
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations63
US12563885B2Feb 24, 2026
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12514091B2Dec 30, 2025
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12365835B2Jul 22, 2025
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12364115B2Jul 15, 2025
Light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12356791B2Jul 8, 2025
Light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12349538B2Jul 1, 2025
Light-emitting device, display device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12325716B2Jun 10, 2025
Organometallic complex, light-emitting material for top emission, light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12232342B2Feb 18, 2025
Organic semiconductor device, organic el device, photodiode sensor, display device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US12225748B2Feb 11, 2025
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US11991890B2May 21, 2024
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US11974445B2Apr 30, 2024
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB0 citations62
US11950447B2Apr 2, 2024
Light-emitting device, light-emitting apparatus, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations62
US11925041B2Mar 5, 2024
Light-emitting element, display device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB1 citations62
MIYAIRI HIDEKAZU
1 patentShowing the top 50 of 73 patents by PatentIndex Score.