Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879736 | Composition for etching silicon oxide and method of forming a contact hole using the same | Kook-Joo Kim, Jung In La, Pil-Kwon Jun, Seung-Ki Chae, Yang-Koo Lee | 2011-02-01 |