Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753265 | Method for manufacturing bit line | Kyung-Won Lee | 2004-06-22 |
| 6468920 | Method for manufacturing contact hole in semiconductor device | Sung Chan Park | 2002-10-22 |
| 5290372 | Fe-Mn group vibration damping alloy manufacturing method thereof | Jong-Sul Choi, Seung-han Baek | 1994-03-01 |