Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859917 | Photoresist stripper composition for manufacturing liquid crystal display | Ho Sung Choi, Kwang Hyun Ryu, Jong Soon Lee, Sang Ku Ha, Hye-Sung Yang +2 more | 2020-12-08 |
| 9353339 | Composition for removing and preventing formation of oxide on the surface of metal wire | Ho Sung Choi, Kwang Hyun Ryu, Jong Soon Lee, Hye-Sung Yang, Sang Ku Ha | 2016-05-31 |