Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982782 | Valve apparatus | Se Jin KYUNG, Chul Hwan Choi | 2021-04-20 |
| 10522379 | Substrate transfer apparatus | Kang Min Park, Chul Hwan Choi, Yong Joon Hong, Kang Soo Kim, Sang-Ho Roh +2 more | 2019-12-31 |
| 8369043 | Hard disk drive | Woo Sung Kim | 2013-02-05 |