Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426499 | Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara | 2025-09-23 |
| 12371613 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara, Makoto Yamamoto, Yuji SUZAKI, Yuuki MIYAZAKI | 2025-07-29 |
| 12114564 | Nitrogen-containing compound for organic electroluminescence device | Yuuki MIYAZAKI | 2024-10-08 |
| 12058927 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara | 2024-08-06 |
| 11889752 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara, Nobutaka Akashi | 2024-01-30 |
| 11871651 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara, Yoshiro SUGITA | 2024-01-09 |
| 11844272 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara, Nobutaka Akashi | 2023-12-12 |
| 11785837 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara | 2023-10-10 |
| 11605788 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Yuuki MIYAZAKI | 2023-03-14 |
| 11581493 | Organic electroluminescence device and condensed polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara | 2023-02-14 |
| 11557734 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Hirokazu Kuwabara | 2023-01-17 |
| 11527726 | Organic electroluminescence device and compound for organic electroluminescence device | Hirokazu Kuwabara, Nobutaka Akashi | 2022-12-13 |
| 11430960 | Organic electroluminescence device and nitrogen-containing compound for organic electroluminescence device | Hirokazu Kuwabara | 2022-08-30 |
| 11279680 | Dicyano N-heterocyclic compound, light-emitting material, and light-emitting element in which same is used | Takuma Yasuda, Hiroyuki Ishihara, Yukio Fukushima | 2022-03-22 |