Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200682 | Motor current phase delay compensating method and apparatus thereof | Dong Il Kim, Sang-Kwon Im | 1993-04-06 |
| 5138242 | Inverse electromotive force eliminating device for motor utilizing MOS-FET | Dong Il Kim, Sang-Kwon Im | 1992-08-11 |