Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682876 | Thinner composition and method of stripping a photoresist using the same | Seung-Hyun Ahn, Sang-Mun Chon, Hoe-Sik Chung, Mi-sook Jeon, Eun-Mi Bae +2 more | 2004-01-27 |
| 6589719 | Photoresist stripper compositions | Seung-Hyun Ahn, Sang-Mun Chon, Hoe-Sik Chung, Mi-sook Jeon, Eun-Mi Bae +1 more | 2003-07-08 |