Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7015183 | Resist remover composition | Chang Il Oh, Chong-Soon Yoo | 2006-03-21 |
| 6861210 | Resist remover composition | Chang Il Oh, Chong-Soon Yoo | 2005-03-01 |
| 6579668 | Photoresist remover composition | Chang Il Oh, Sang-Dai Lee, Chong-Soon Yoo | 2003-06-17 |
| 6183942 | Thinner composition for removing spin-on-glass and photoresist | Byung-Uk Kim, Chang Il Oh, Sang-Dai Lee, Won-Lae Kim, Chong-Soon Yoo | 2001-02-06 |
| 6140027 | Photoresist remover composition | Chang Il Oh, Sang-Dai Lee, Won-Lae Kim, Chong-Soon Yoo | 2000-10-31 |