Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141781 | Roller assembly, casting apparatus, and roller separating method for same | Kyung Shik OH, Young Hoon Kang, Ki Hwan Joung | 2021-10-12 |
| 11133477 | Heterocyclic compound and organic light emitting element using same | Yun-Ji Lee, Jun-Tae MO, Yong-Geun JUNG, Won-Jang JEONG, Jin-Seok Choi +1 more | 2021-09-28 |
| 10930857 | Heterocyclic compound and organic light emitting device using same | Jun-Tae MO, Yong-Geun JUNG, Won-Jang JEONG, Dae-Hyuk CHOI | 2021-02-23 |
| 10913109 | Vertical semi-continuous casting equipment and vertical semi-continuous casting method | Kyung Shik OH, Young Hoon Kang, Ki Hwan Joung, Un-Kwan Cho | 2021-02-09 |