Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689402 | Polycyclic aromatic compound and light emission layer-forming composition | Takuji Hatakeyama, Yasuhiro Kondo, Keiichi Nakamoto | 2020-06-23 |
| 10686141 | Polycyclic aromatic compound | Takuji Hatakeyama, Soichiro NAKATSUKA, Hajime Gotoh, Yasuyuki Sasada, Toshiaki IKUTA | 2020-06-16 |
| 10680186 | Polycyclic aromatic compound and light emitting layer-forming composition | Takuji Hatakeyama, Yasuhiro Kondo, Keiichi Nakamoto | 2020-06-09 |