Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080349 | Exposure mask and method for manufacturing semiconductor device using the same | Joo Kyoung SONG | 2011-12-20 |
| 8034544 | Method for forming fine contact hole pattern of semiconductor device | — | 2011-10-11 |