Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10498142 | Device and method for extinction angle control of HVDC system | Soon Ho Choi, Chur-Hee Lee | 2019-12-03 |
| 9882504 | HVDC rectifier protection using estimated and measured power | Soon Ho Choi, Chan-Ki Kim | 2018-01-30 |
| 7471084 | Extremely low frequency (ELF) or low frequency (LF) magnetic field distribution measuring system | Dong-Il Lee, Koo-Yong Shin, Youn-Myoung Gimm | 2008-12-30 |