Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8222865 | Hybrid battery pack and methods of charging and discharging the same | Hong-Seok Choi | 2012-07-17 |
| 7728547 | Hybrid battery pack and methods of charging and discharging the same | Hong-Seok Choi | 2010-06-01 |