Inventor
TAKAYASU SADO
Inventor
JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices21%
C07DHeterocyclic compounds18%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
H01LSemiconductor devices14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
C07CAcyclic or carbocyclic compounds7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
H05BElectric heating4%
PatentTitleYear
12,516,042Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element202612,089,492Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element202411,456,432Top emission organic electroluminescent element, organic electroluminescent light emitting device, and electronic device202211,444,246Aromatic amine derivative, and organic electroluminescent element using same202211,374,176Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element202211,362,279Aromatic amine derivative, and organic electroluminescent element using same2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to IDEMITSU KOSAN CO (6)· patent assignee history
2022–2026Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IDEMITSU KOSAN CO | 6 | 2022–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 6 | 2022–2026 |