Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755152 | Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Shigeru Kusano | 2017-09-05 |
| 9553272 | Organic electroluminescent device | Norimasa Yokoyama, Eiji Takahashi, Shuichi Hayashi, Hiroshi Ookuma | 2017-01-24 |