Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11329272 | Method of manufacturing electrode for secondary battery comprising pre-slitting process | Kyu Hyun Choi, Jin-Hak Kong | 2022-05-10 |
| 10974285 | Device comprising cleaning roll and for cleaning protective film for preparing battery cell | Jin-Hak Kong, Kyu Hyun Choi | 2021-04-13 |