Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9735580 | High voltage direct current transmission system and control method thereof | Gum Tae Son | 2017-08-15 |
| 9614455 | High voltage direct current transmission system and control method thereof | Gum Tae Son | 2017-04-04 |