Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340158 | Substrate cleaning apparatus | Eun-Seok Lee, Chang-Gil Ryu, Jae Chang Lee, Yun-Seok Choi, Jin-Suk Hong | 2019-07-02 |
| 9999957 | Polishing head and polishing carrier apparatus having the same | Yun-Seok Choi, Chang-Gil Ryu, Ki-Yeon Chu, Jin-Suk Hong | 2018-06-19 |