Kevin Choi
18Patents
7h-index
15Co-inventors
63Inventor score
Filing activity: Oct 30, 1995 → Jan 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6424225B1 | Power amplifier circuit for providing constant bias current over a wide temperature range | Electricity | 62 | Expired |
| US6496061B1 | High efficiency multiple power level amplifier | Electricity | 45 | Expired |
| US6515541B2 | Multi-level power amplifier | Electricity | 15 | Expired |
| US6639465B2 | Dynamic bias for a power amplifier | Electricity | 13 | Expired |
| US6946911B2 | Temperature-insensitive bias circuit for high-power amplifiers | Electricity | 11 | Expired |
| USD385590S | Toy pre-school computer | General | 11 | Expired |
| US6842072B1 | Power gain reduction circuit for power amplifiers | Electricity | 8 | Expired |
| US6765439B2 | Impedance matching for a power amplifier system | Electricity | 7 | Expired |
| US7863979B2 | High efficiency power amplifier having embedded switching | Electricity | 6 | Active |
| US7291054B2 | Toy with programmable remote control | Human Necessities | 6 | Expired |
| US6992524B2 | Quiescent current control circuit for high-power amplifiers | Electricity | 6 | Expired |
| US6496073B2 | Digitally controlled bias circuit for amplifiers | Electricity | 6 | Expired |
| US6624703B1 | Terminal arrangement for an electrical device | Electricity | 4 | Expired |
| USD385592S | Toy clock | General | 2 | Expired |
| US7019383B2 | Gallium arsenide HBT having increased performance and method for its fabrication | Electricity | 2 | Expired |
| USD926512S1 | Electric deep fryer | General | 2 | Active |
| USD383808S | Toy race car | General | 1 | Expired |
| USD383807S | Toy car | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.