Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189809 | Organic EL device and display unit | Toshiaki Imai, Hideki Kobayashi, Jiro Yamada | 2021-11-30 |
| 11152574 | Organic electroluminescent device using aryl amine derivative containing heterocycle | Masahiro Kawamura, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami | 2021-10-19 |
| 11094888 | Organic electroluminescent device using aryl amine derivative containing heterocycle | Masahiro Kawamura, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami | 2021-08-17 |