Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12230831 | Stretching apparatus for manufacturing separator and method of manufacturing separator using the same | Kyoung Sun RYU, Kwang Ho Choi, Pyung Yong PARK, Byung Hyun KIM | 2025-02-18 |
| 11557814 | Crosslinked polyolefin separator and method of manufacturing the same | Byung Hyun KIM, Hee Min Cho, Pyung Yong PARK, Gi Won Yoo, Yeong Hoon CHOI | 2023-01-17 |