Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10395866 | High voltage DC circuit breaker | Hui Dong Hwang, Nam Kyung Kim | 2019-08-27 |
| 10304644 | Vacuum interrupter and driving method therefor | Hui Dong Hwang, Nam Kyung Kim | 2019-05-28 |
| 10181387 | Electromagnetic repulsion actuator for circuit breaker | Nam Kyung Kim, Hui Dong Hwang | 2019-01-15 |