Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139534 | Lithium secondary battery separator and method of manufacturing same | Kiyoshi Kanamura, Hirokazu Munakata | 2021-10-05 |
| 7863389 | Rubber composition | Wonmun Choi | 2011-01-04 |