Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7148674 | Apparatus for automatically measuring a relatively wide range of leakage currents | In-Hyuk Choi, Dong-Il Lee, Jeong Shik Ahn, Jang Hyun Choi | 2006-12-12 |
| 7061743 | Multi-pulse HVDC system using auxiliary circuit | Chan-Ki Kim, Bong Eon Kho, Yong Ho An, Se Hwan CHOI, Jong-Ki Choi +1 more | 2006-06-13 |