Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451708 | Method of forming contact holes in a semiconductor device | — | 2002-09-17 |
| 6335233 | Method for fabricating MOS transistor | Chang-Hyun Cho, Gwan-Hyeob Koh, Mi-Hyang Lee | 2002-01-01 |