Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351652 | Method of manufacturing semiconductor device | — | 2008-04-01 |
| 7338899 | Method of forming contact plug in semiconductor device | — | 2008-03-04 |
| 7018935 | Method of forming metal line of semiconductor device | — | 2006-03-28 |
| 6706590 | Method of manufacturing semiconductor device having etch stopper for contact hole | — | 2004-03-16 |