Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9040228 | Method for forming patterns of semiconductor device by using mixed assist feature system | — | 2015-05-26 |
| 8679729 | Method for forming patterns of semiconductor device by using mixed assist feature system | — | 2014-03-25 |
| 8196069 | Method for fabricating assist features in a photomask | — | 2012-06-05 |
| 7972956 | Method for manufacturing a wire structure of a semiconductor device | Chun Soo Kang | 2011-07-05 |