Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719475 | Refrigerant regenerating apparatus | Byoungjin Ryu, Wooho Cha, Chungwoo Jung | 2023-08-08 |
| 7579050 | Method for focusing patterning nano-sized structure | Mansoo Choi, Jaehyun Kim | 2009-08-25 |