Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480878 | Monomers, polymers and photoresist compositions | Eui Hyun Ryu, Min-Kyung Jang, Jung Woo Kim, Kwang Mo Choi, Woo-Hyung Lee +1 more | 2022-10-25 |
| 10503073 | Photoresist compositions and methods | Eui Hyun Ryu, Min-Kyung Jang, Chang-Young Hong, Dong Yong Kim, Dong-Je Hong +2 more | 2019-12-10 |
| 6210859 | Copolymer for the manufacture of chemical amplified photoresist and a positive photoresist composition using the same | Seong Ju Kim, Joo-Hyeon Park, Jong Bum Lee | 2001-04-03 |