Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650688 | Method of recovering Fe from steel-making slag | Sungsuk JUNG | 2017-05-16 |
| 7223721 | Resist and etching by-product removing composition and resist removing method using the same | Dong-Jin Park, Kyung-Dae Kim, Sang-Mun Chon, Jin Ho Hwang, Sang-Oh Park +1 more | 2007-05-29 |
| 7037852 | Composition for stripping photoresist and method of preparing the same | Dong-Jin Park, Jin-Sung Kim, Pil-Kwon Jun, Jin Ho Hwang | 2006-05-02 |
| 6713440 | Resist and etching by-product removing composition and resist removing method using the same | Dong-Jin Park, Kyung-Dae Kim, Sang-Mun Chon, Jin Ho Hwang, Sang-Oh Park +1 more | 2004-03-30 |