Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8282541 | Device for sterilizing virus or bacteria by using radioisotope gas | — | 2012-10-09 |
| 6908892 | Photoresist remover composition | Suk-Il Yoon, Chang Il Oh, Sang-Dai Lee, Chong-Soon Yoo | 2005-06-21 |
| 6774097 | Resist stripper composition | Suk-Il Yoon, Chang Il Oh, Sang-Dai Lee, Chong-Soon Yoo | 2004-08-10 |