Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D926512 | Electric deep fryer | Justun C. Seymour | 2021-08-03 |
| 7863979 | High efficiency power amplifier having embedded switching | Younkyu Chung, Reem Song | 2011-01-04 |
| 7291054 | Toy with programmable remote control | — | 2007-11-06 |
| 7019383 | Gallium arsenide HBT having increased performance and method for its fabrication | Peter J. Zampardi, Jr., Lance G. Rushing | 2006-03-28 |
| 6992524 | Quiescent current control circuit for high-power amplifiers | Youngoo Yang, Bong-Seok Park | 2006-01-31 |
| 6946911 | Temperature-insensitive bias circuit for high-power amplifiers | Youngoo Yang, Nai-Shuo Cheng | 2005-09-20 |
| 6842072 | Power gain reduction circuit for power amplifiers | Nai-Shuo Cheng, Peter Phu Tran | 2005-01-11 |
| 6765439 | Impedance matching for a power amplifier system | — | 2004-07-20 |
| 6639465 | Dynamic bias for a power amplifier | Apostolos Samelis | 2003-10-28 |
| 6624703 | Terminal arrangement for an electrical device | Shiaw Wen Chang, Roger J. Forse | 2003-09-23 |
| 6515541 | Multi-level power amplifier | Naishuo Cheng, Mark S. Bloom | 2003-02-04 |
| 6496061 | High efficiency multiple power level amplifier | Mark S. Bloom | 2002-12-17 |
| 6496073 | Digitally controlled bias circuit for amplifiers | — | 2002-12-17 |
| 6424225 | Power amplifier circuit for providing constant bias current over a wide temperature range | Nick Cheng | 2002-07-23 |
| D385592 | Toy clock | — | 1997-10-28 |
| D385590 | Toy pre-school computer | — | 1997-10-28 |
| D383807 | Toy car | — | 1997-09-16 |
| D383808 | Toy race car | — | 1997-09-16 |