Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172996 | Cleaning agent composition for a positive or a negative photoresist | Sae-Tae Oh, Kyung Soo Choi | 2007-02-06 |
| 6645682 | Thinner for rinsing photoresist and method of treating photoresist layer | Hong-Sick Park, Jin-Ho Ju, Yu-Kyung Lee, Sung-Chul Kang, Sae-Tae Oh | 2003-11-11 |