Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10454043 | Heterocyclic compound and organic light-emitting element using same | Mi Jin Kim, Kee Yong Kim, Yang-Soo Ha, Jin-Seok Choi, Dae-Hyuk CHOI +1 more | 2019-10-22 |
| 10446765 | Heterocyclic compound and organic light emitting element using same | Jung-hyun Lee, Su Jin Jung, Sang-Kyu Kang, Kee Yong Kim, Dong-Jun KIM +3 more | 2019-10-15 |
| 10381577 | Hetero-cyclic compound and organic light emitting device using the same | Geon-Yu PARK, Han-Kook Oh, Yun-Ji Lee, Jae Yeol MA, Dong-Jun KIM +2 more | 2019-08-13 |
| 10344030 | Heterocyclic compound and organic light emitting device using same | Jung-hyun Lee, Kee Yong Kim, Yong-Hoon An, Jin-Seok Choi, Dae-Hyuk CHOI +1 more | 2019-07-09 |
| 10177319 | Nitrogen-containing polycyclic compound and organic light emitting element using same | Young-Seok NO, Kee Yong Kim, Hyo-Kyun HAM, Jin-Seok Choi, Dae-Hyuk CHOI +1 more | 2019-01-08 |