Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221783 | Method of manufacturing a heterojunction bipolar transistor | Sung Ho Park, Tae-Woo Lee, Chul Soon Park | 2001-04-24 |
| 5821812 | Wideband amplifier using parallel feedback transistor | Hyeon-Cheol Ki, Sung Ho Park, Tae-Woo Lee, Kie-Moon Song | 1998-10-13 |