Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968909 | Fibrous separation membrane for secondary battery and manufacturing method thereof | Sun Ok Kim, Young Seuck Yoo | 2015-03-03 |
| 8876994 | Porous sheet and method for manufacturing the porous sheet | Jun Hwan YOO, Jea Sik Ryoo, Sun Ok Kim | 2014-11-04 |
| 8228610 | Lens injection mold | Young Ro Jeon, Sun Ok Kim, Sung Hwan Choi | 2012-07-24 |