Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10439175 | Rechargeable battery pack | Dong-Rak Kim, Jong-Rock Choi, In-Seob Song | 2019-10-08 |
| 10361573 | Battery pack | Hyun-Jun Do, Hwa-Su Kim, Cheol-Gi Son, Dong-Rak Kim, Kwang Yoo +4 more | 2019-07-23 |