Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254320 | Method for measuring electric power value in an hvdc system | Yongkil Choi | 2019-04-09 |
| 9651589 | Method for correcting electric power loss in an HVDC system | Yongkil Choi | 2017-05-16 |
| 7925148 | Apparatus and method for compensating position of camera lens according to temperature variation | Gihoon LEE, Jinsoo Park, Mansung KIM | 2011-04-12 |