Inventor
Takumu OKUYAMA
Inventor
JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices40%
C07DHeterocyclic compounds20%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
H01LSemiconductor devices7%
H05BElectric heating7%
F21VFunctional features or details of lighting devices or systems thereof3%
PatentTitleYear
12,557,467Light-emitting device, light-emitting apparatus, electronic device, and lighting device202612,421,201Organic compound, optical device, light-emitting device, light-emitting apparatus, electronic device, and lighting device202512,349,591Light-emitting device, light-emitting apparatus, electronic device, and lighting device202512,317,668Light-emitting device, light-emitting apparatus, electronic device, and lighting device202512,295,260Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device202512,101,997Light-emitting device including light-emitting layer and electron-transport layer202412,089,490Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device202412,082,429Light-emitting device, light-emitting apparatus, electronic device, and lighting device202412,029,057Light-emitting device, light-emitting apparatus, electronic device, and lighting device202411,943,944Light-emitting device, light-emitting apparatus, electronic device, and lighting device202411,673,863Organic compound, light-emitting device, light-receiving device, light-emitting apparatus, light-emitting module, electronic device, and lighting device202311,647,642Light-emitting device, light-emitting apparatus, electronic device, and lighting device2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2026Patents assigned to SEMICONDUCTOR ENERGY LAB (12)· patent assignee history
2023–2026Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEMICONDUCTOR ENERGY LAB | 12 | 2023–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 12 | 2023–2026 |