Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9985232 | Biscarbazole derivative host materials for OLED emissive region | Kazuki Nishimura, Toshihiro Iwakuma, Hitoshi Yamamoto, Julia J. Brown | 2018-05-29 |
| 9966541 | Biscarbazole derivative host materials and green emitter for OLED emissive region | Hitoshi Yamamoto, Julia J. Brown, Kazuki Nishimura, Toshihiro Iwakuma | 2018-05-08 |