Inventor
TAKUMA YASUDA
Inventor
JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices30%
C09KMaterials for miscellaneous applications, not provided for elsewhere26%
C07DHeterocyclic compounds19%
H01LSemiconductor devices11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
12,497,363Isophthalonitrile compound, luminescent material and luminescent element using the same202512,365,683Light emitting device and fused polycyclic compound for light emitting device202512,178,123Organic electroluminescence device and compound for organic electroluminescence device202412,122,768Benzonitrile derivative, light-emitting material, and light-emitting element using same202411,950,503Organic material and photoelectric conversion element202411,545,631Organic electroluminescence device and polycyclic compound for organic electroluminescence device202311,283,026Compound having tetraazatriphenylene ring structure, light-emitting material, and organic electroluminescent device202211,279,680Dicyano N-heterocyclic compound, light-emitting material, and light-emitting element in which same is used2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to UNIV KYUSHU NAT UNIV CORP (8)· patent assignee history
2022–2025Patents assigned to NIPPON SODA CO (3)· patent assignee history
2022Patents assigned to HODOGAYA CHEMICAL CO LTD (1)· patent assignee history
2022Patents assigned to KYULUX INC (1)· patent assignee history
2022–2025Based in JP· patent location history
2023–2025Patents assigned to SAMSUNG DISPLAY CO LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV KYUSHU NAT UNIV CORP | 8 | 2022–2025 |
| NIPPON SODA CO | 3 | 2022–2025 |
| SAMSUNG DISPLAY CO LTD | 3 | 2023–2025 |
| HODOGAYA CHEMICAL CO LTD | 1 | 2022 |
| KYULUX INC | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 8 | 2022–2025 |