Robert E. Stengel
83Patents
24h-index
64Co-inventors
91Inventor score
Filing activity: Jul 12, 1982 → Jan 26, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6008102A | Method of forming a three-dimensional integrated inductor | Emerging Cross-Sectional Technologies | 247 | Expired |
| US4494100A | Planar inductors | Electricity | 212 | Expired |
| US5451914A | Multi-layer radio frequency transformer | Electricity | 147 | Expired |
| US5898912A | Direct current (DC) offset compensation method and apparatus | Electricity | 135 | Expired |
| US5541554A | Multi-mode power amplifier | Electricity | 126 | Expired |
| US5892395A | Method and apparatus for efficient signal power amplification | Electricity | 120 | Expired |
| US5265270A | Method and apparatus for providing power conservation in a communication system | Emerging Cross-Sectional Technologies | 110 | Expired |
| US5901346A | Method and apparatus utilizing a compensated multiple output signal source | Electricity | 101 | Expired |
| US5442317A | Switching regulator and amplifier system | Electricity | 101 | Expired |
| US6262629A | High efficiency power amplifier having reduced output matching networks for use in portable devices | Electricity | 91 | Expired |
| US5204970A | Communication system capable of adjusting transmit power of a subscriber unit | Electricity | 81 | Expired |
| US6373901B1 | Method and apparatus for conditioning modulated signals using window expansion | Electricity | 70 | Expired |
| US5109530A | Receiver with battery saver | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5055816A | Method for fabricating an electronic device | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6462360B1 | Integrated gallium arsenide communications systems | Electricity | 57 | Expired |
| US5218284A | Integral battery charging and supply regulation circuit | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6356149B1 | Tunable inductor circuit, phase tuning circuit and applications thereof | Electricity | 49 | Expired |
| US5283462A | Integrated distributed inductive-capacitive network | Electricity | 47 | Expired |
| US5166857A | Electronically tunable capacitor switch | Electricity | 45 | Expired |
| US5506493A | Switching regulator and amplifier system | Electricity | 34 | Expired |
| US6794913B1 | Delay locked loop with digital to phase converter compensation | Electricity | 30 | Expired |
| US8427205B1 | Method and apparatus for fast frequency locking in a closed loop based frequency synthesizer | Electricity | 28 | Active |
| US7409012B2 | Modulator and signaling method | Electricity | 26 | Expired |
| US5648766A | Circuit with supply voltage optimizer | Physics | 25 | Expired |
| US6959397B2 | Programmable skew clock signal generator selecting one of a plurality of delayed reference clock signals in response to a phase accumulator output | Electricity | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.