Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9969047 | Substrate polishing apparatus | Joowoan Cho, Hyunjin Cho, Byoungkwon Choo, Oleg Prudnikov, Jeongkyun Na +2 more | 2018-05-15 |
| 9939695 | Display device | Joowoan Cho, Jeongkyun Na, Seunghwan Lee | 2018-04-10 |