Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9246156 | Waterproof battery pack | Nohyun Kwag, Sanghoon Lee | 2016-01-26 |
| 9006922 | Power supply apparatus for electric bicycle | Sanghoon Lee, Hwan-Chang Kim, Nohyun Kwag | 2015-04-14 |