Inventor
TAKAHIRO USHIKUBO
Inventor
JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices37%
H05BElectric heating17%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
C07CAcyclic or carbocyclic compounds9%
H01LSemiconductor devices9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B82YSpecific uses or applications of nanostructures3%
C07DHeterocyclic compounds3%
H10HInorganic light-emitting semiconductor devices having potential barriers3%
PatentTitleYear
12,557,506Light-emitting device and display device202612,532,598Display device202612,490,650Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device202512,471,437Display device202512,464,887Light-emitting element, lighting device, light-emitting device, and electronic device202512,376,470Display device202512,110,274Carbazole derivative, and light-emitting element, light-emitting device, and electronic device using carbazole derivative202411,980,087Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device202411,889,711Light-emitting element, light-emitting device, electronic device, and lighting device202411,825,674Display device including carrier generation layers202311,678,568Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device202311,462,704Light-emitting element, lighting device, light-emitting device, and electronic device202211,424,431Display device2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to SEMICONDUCTOR ENERGY LAB (8)· patent assignee history
2022–2025Patents assigned to JAPAN DISPLAY INC (3)· patent assignee history
2022–2026Based in JP· patent location history
2025–2026Patents assigned to MAGNOLIA WHITE CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEMICONDUCTOR ENERGY LAB | 8 | 2022–2026 |
| JAPAN DISPLAY INC | 3 | 2022–2025 |
| MAGNOLIA WHITE CORP | 2 | 2025–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 13 | 2022–2026 |