Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10916711 | Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device | Chihaya Adachi, Takuma Yasuda, Katsuyuki Shizu, Hiroshi Ookuma | 2021-02-09 |