Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9564600 | Compound having an indolocarbazole ring structure and organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Sawa Izumi, Shuichi Hayashi | 2017-02-07 |
| 9553272 | Organic electroluminescent device | Norimasa Yokoyama, Eiji Takahashi, Shuichi Hayashi, Daizou Kanda | 2017-01-24 |