Inventor · disambiguated record
Andrew F. Folkmann
Also filed as: FOLKMANN ANDREW · FOLKMANN ANDREW F
30 granted patents·1 pending application·586 citations·filing 1981–2021
97Inventor score
Files withQORVO US INC12RF MICRO DEVICES INC12KHLAT NADIM2ROCKWELL INTERNATIONAL CORP2FOLKMANN ANDREW F1
Top patents by PatentIndex Score
31 records- 0199US9837984B2RF ladder filter with simplified acoustic RF resonator parallel capacitance compensationRF MICRO DEVICES INC·Filed 2016·Granted Dec 5, 2017·181 cites·19 claims
- 0297US9698756B2Acoustic RF resonator parallel capacitance compensationQORVO US INC·Filed 2015·Granted Jul 4, 2017·21 cites·19 claims
- 0397US9298198B2Noise reduction for envelope trackingRF MICRO DEVICES INC·Filed 2012·Granted Mar 29, 2016·47 cites·28 claims
- 0497US8626091B2Envelope tracking with variable compressionKHLAT NADIM·Filed 2012·Granted Jan 7, 2014·61 cites·25 claims
- 0596US9024688B2Dual parallel amplifier based DC-DC converterRF MICRO DEVICES INC·Filed 2013·Granted May 5, 2015·32 cites·26 claims
- 0696US8952710B2Pulsed behavior modeling with steady state average conditionsRETZ JAMES M·Filed 2012·Granted Feb 10, 2015·33 cites·22 claims
- 0795US7570932B1Dual mode quadrature radio frequency power amplifierRF MICRO DEVICES INC·Filed 2006·Granted Aug 4, 2009·36 cites·20 claims
- 0894US10530305B2Nonlinear bandwidth compression circuitryQORVO US INC·Filed 2018·Granted Jan 7, 2020·10 cites·20 claims
- 0994US4426630AElectronically tunable band reject filterROCKWELL INTERNATIONAL CORP·Filed 1981·Granted Jan 17, 1984·53 cites·12 claims
- 1093US10680559B2Envelope tracking system for transmitting a wide modulation bandwidth signal(s)QORVO US INC·Filed 2018·Granted Jun 9, 2020·10 cites·20 claims
- 1193US9935662B2Transmit spectral regrowth cancellation at receiver portRF MICRO DEVICES INC·Filed 2016·Granted Apr 3, 2018·11 cites·20 claims
- 1290US7656964B1Forward and reverse VSWR insensitive power detection using phase shifting and harmonic filteringRF MICRO DEVICES INC·Filed 2007·Granted Feb 2, 2010·23 cites·20 claims
- 1387US9813036B2Dynamic loadline power amplifier with baseband linearizationRF MICRO DEVICES INC·Filed 2012·Granted Nov 7, 2017·12 cites·17 claims
- 1485US10333494B2Simplified acoustic RF resonator parallel capacitance compensationQORVO US INC·Filed 2015·Granted Jun 25, 2019·4 cites·18 claims
- 1584US10284412B2Voltage memory digital pre-distortion circuitQORVO US INC·Filed 2017·Granted May 7, 2019·4 cites·21 claims
- 1681US7440734B1Active quadrature radio frequency power detectorRF MICRO DEVICES INC·Filed 2006·Granted Oct 21, 2008·11 cites·20 claims
- 1779US10277260B2Multi radio access technology radio circuitQORVO US INC·Filed 2018·Granted Apr 30, 2019·3 cites·21 claims
- 1878US4450417AFeed forward circuitROCKWELL INTERNATIONAL CORP·Filed 1981·Granted May 22, 1984·20 cites·15 claims
- 1973US10491162B2Envelope tracking amplifier circuitQORVO US INC·Filed 2018·Granted Nov 26, 2019·2 cites·20 claims
- 2071US11025224B2RF circuitry having simplified acoustic RF resonator parallel capacitance compensationQORVO US INC·Filed 2019·Granted Jun 1, 2021·1 cites·20 claims
- 2171US10742474B2Voltage memory digital pre-distortion circuitQORVO US INC·Filed 2019·Granted Aug 11, 2020·1 cites·19 claims
- 2271US9893750B2Tunable transmit cancellation in acoustic receiver filtersQORVO US INC·Filed 2016·Granted Feb 13, 2018·2 cites·33 claims
- 2369US8570913B2De-multiplexing a radio frequency input signal using output transformer circuitryKHLAT NADIM·Filed 2010·Granted Oct 29, 2013·2 cites·21 claims
- 2464US12381514B2Power management circuit supporting phase correction in an analog signalQORVO US INC·Filed 2021·Granted Aug 5, 2025·0 cites·20 claims
- 2563US9444415B2Power amplifier spurious cancellationRF MICRO DEVICES INC·Filed 2014·Granted Sep 13, 2016·2 cites·22 claims
- 2662US9276784B2Frequency selective predistortionRF MICRO DEVICES INC·Filed 2014·Granted Mar 1, 2016·2 cites·18 claims
- 2759US2023404919A1Intrinsically-disordered proteins as emulsifiersUNIV JOHNS HOPKINS·Filed 2021·Application pending·0 cites
- 2855US9178472B2Bi-directional power supply signal based linear amplifierRF MICRO DEVICES INC·Filed 2014·Granted Nov 3, 2015·1 cites·27 claims
- 2953US9331836B2De-multiplexing a radio frequency input signal using output transformer circuitryRF MICRO DEVICES INC·Filed 2013·Granted May 3, 2016·0 cites·19 claims
- 3047US9263996B2Quasi iso-gain supply voltage function for envelope tracking systemsFOLKMANN ANDREW F·Filed 2012·Granted Feb 16, 2016·1 cites·19 claims
- 3137US10193502B2Dual-mode envelope tracking power management circuitQORVO US INC·Filed 2017·Granted Jan 29, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →