Issued Patents 2022
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11476425 | Heterocyclic compound and organic light emitting element comprising same | Han-Kook Oh, Yun-Ji Lee, Hye-Su Ji, Won-Jang JEONG, Dae-Hyuk CHOI | 2022-10-18 |
| 11434228 | Heterocyclic compound and organic light emitting device comprising same | Gi-Back LEE, Seong-Jong PARK, Ji-Young Kim, Won-Jang JEONG, Dae-Hyuk CHOI +1 more | 2022-09-06 |
| 11427562 | Heterocyclic compound, and organic light-emitting device using same | Han-Kook Oh, Jun-Tae MO, Yong-Geun JUNG, Won-Jang JEONG, Dae-Hyuk CHOI +1 more | 2022-08-30 |
| 11420299 | Automatic bolt fastening device using two-arm scara robot | Kwang Choi | 2022-08-23 |
| 11362282 | Heterocyclic compound and organic light emitting element comprising same | Hye-Su Ji, Han-Kook Oh, Yun-Ji Lee, Won-Jang JEONG, Dae-Hyuk CHOI | 2022-06-14 |
| 11302873 | Organic light-emitting device | Hyun-Ju LA, Yun-Ji Lee, Gi-Back LEE, Won-Jang JEONG, Dae-Hyuk CHOI | 2022-04-12 |
| 11279538 | Lid packing material for food container | Sung Ji Choi | 2022-03-22 |
| 11248008 | Heterocyclic compound and organic light emitting element using same | Won-Jang JEONG, Yun-Ji Lee, Gi-Back LEE, Dae-Hyuk CHOI, Joo-Dong Lee | 2022-02-15 |
| 11239427 | Heterocyclic compound and organic light emitting device using same | Gi-Back LEE, Han-Kook Oh, Yong-Geun JUNG, Jun-Tae MO, Won-Jang JEONG +2 more | 2022-02-01 |