Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183736 | Composite separator for secondary battery | Kyu Young Cho, Yun Bong Kim, Hye Jin Kim, Su Ji Lee | 2021-11-23 |
| 11139542 | Separator for secondary cell having excellent heat resistance and shutdown properties | Hye Jin Kim, Min Sang Park | 2021-10-05 |
| 11020710 | Ultra large-width and consecutive coating device and method for manufacturing membrane using the same | Dong Jin Joo, Kyu Young Cho, Yun Bong Kim, Su Ji Lee, Hye Jin Kim | 2021-06-01 |