Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10381577 | Hetero-cyclic compound and organic light emitting device using the same | Geon-Yu PARK, Han-Kook Oh, Yun-Ji Lee, Dong-Jun KIM, Jin-Seok Choi +2 more | 2019-08-13 |
| 10026908 | Hetero-cyclic compound and organic light emitting device using the same | Geon-Yu PARK, Dong-Jun KIM, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2018-07-17 |
| 5268061 | Method and apparatus for producing a manganese-zinc ferrite single crystal using a local liquid pool formation | Kuk Hyun Sunwoo, Tae Ho Kim | 1993-12-07 |