Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9682395 | Slot die coating apparatus | Won Chan Park, Ye Hoon Im | 2017-06-20 |
| 9268149 | Optical filter | Seung-Hun Chae, Kyung Ki Hong, Yong-Il Cho, Moon Soo Park, Sang-Seop Kim | 2016-02-23 |