Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551904 | Apparatus and method for high efficiency power amplification for a mobile communication system | Dong Geun Lee, Bum-Man Kim | 2009-06-23 |
| 7489188 | Input matching apparatus and method for power amplifier using delta-sigma modulated signal | Dong Geun Lee, Bum-Man Kim | 2009-02-10 |