Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11723263 | Organic electroluminescent element | Takuji Hatakeyama, Toshihiro Koike | 2023-08-08 |
| 11600790 | Polycyclic aromatic compound for organic electroluminescent device | Takuji Hatakeyama, Akio Tajima, Daisuke Baba, Yuko Yamaga | 2023-03-07 |