Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9481259 | Bidirectional vehicle charging apparatus and operation method thereof | Heon soo Choi | 2016-11-01 |
| 5929592 | Apparatus for controlling driving signal for motor | — | 1999-07-27 |