Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9842999 | Benzotriazole derivative and an organic electroluminescent device | Makoto Nagaoka, Shigetaka Numazawa, Kanae OTSUKA | 2017-12-12 |
| 9837620 | Benzopyridoindole derivative and organic electroluminescent element | Makoto Nagaoka, Kouki KASE, Teruaki Koizumi | 2017-12-05 |
| 9755152 | Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Daizou Kanda | 2017-09-05 |
| 9732036 | Compound having carbazole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Kazunori Togashi | 2017-08-15 |