Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183736 | Composite separator for secondary battery | Won Sub Kwack, Yun Bong Kim, Hye Jin Kim, Su Ji Lee | 2021-11-23 |
| 11020710 | Ultra large-width and consecutive coating device and method for manufacturing membrane using the same | Dong Jin Joo, Yun Bong Kim, Su Ji Lee, Won Sub Kwack, Hye Jin Kim | 2021-06-01 |
| 10985356 | Composite separation membrane for lithium secondary battery and manufacturing method therefor | Dong Jin Joo, Su Ji Lee, Yun Bong Kim, Jae Woong Kim | 2021-04-20 |