Inventor
Takao Tosu
Inventor
JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds30%
H10KOrganic electric solid-state devices30%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
C23CCoating metallic material10%
H05BElectric heating10%
PatentTitleYear
12,419,155Hole-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 device202512,225,812Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device202512,139,446Arylamine compound, hole-transport layer material, hole-injection layer material, light-emitting device, light-emitting apparatus, electronic apparatus, and lighting device2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024–2025Patents assigned to SEMICONDUCTOR ENERGY LAB (3)· patent assignee history
2024–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEMICONDUCTOR ENERGY LAB | 3 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 3 | 2024–2025 |