Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225220 | Plug forming method for semiconductor device | Jae-Hee Ha | 2001-05-01 |
| 6146542 | Dry etching method of multilayer film | Jae-Hee Ha | 2000-11-14 |
| 6090719 | Dry etching method for multilayer film | Jae-Hee Ha | 2000-07-18 |