Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10672993 | 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 | 2020-06-02 |
| 10644244 | Heterocyclic compound and organic light emitting device using same | Jung-hyun Lee, Young-Seok NO, Geon-Yu PARK, Dong-Jun KIM, Kee Yong Kim +3 more | 2020-05-05 |
| 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 |
| 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 |
| 9728731 | Heterocyclic compound and organic light emitting device using same | Hyun-Ju LA, Young-Seok NO, Mi Jin Kim, Kee Yong Kim, Jin-Seok Choi +2 more | 2017-08-08 |
| 8153279 | Organic electroluminescent compounds and organic electroluminescent device using the same | Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon | 2012-04-10 |