Inventor · disambiguated record
Robert S. Wrathall
Also filed as: WRATHALL ROBERT · WRATHALL ROBERT S · WRATHALL ROBERT STEPHEN
41 granted patents·1 pending application·1,341 citations·filing 1979–2023
98Inventor score
Top patents by PatentIndex Score
42 records- 0197US10998815B1Electrical circuits for power factor correction by measurement and removal of overtonesWRATHALL ROBERT S·Filed 2020·Granted May 4, 2021·4 cites·38 claims
- 0297US4553084ACurrent sensing circuitMOTOROLA INC·Filed 1984·Granted Nov 12, 1985·144 cites·8 claims
- 0395US6307409B1Gate driver circuit for high and low side switches with primary and secondary shoot-through protectionMICREL INC·Filed 2000·Granted Oct 23, 2001·78 cites·46 claims
- 0495US5889393AVoltage regulator having error and transconductance amplifiers to define multiple polesIMPALA LINEAR CORP·Filed 1997·Granted Mar 30, 1999·98 cites·24 claims
- 0594US12294295B2Systems and methods of unwanted harmonic content removal for power conversionWRATHALL ROBERT S·Filed 2023·Granted May 6, 2025·2 cites·21 claims
- 0694US8619442B2Boost-buck power factor correctionWRATHALL ROBERT S·Filed 2011·Granted Dec 31, 2013·16 cites·13 claims
- 0794US4453095AECL MOS Buffer circuitsMOTOROLA INC·Filed 1982·Granted Jun 5, 1984·53 cites·16 claims
- 0892US11552554B2Electrical circuits for power factor correction by measurement and removal of overtones using a constant or slowly varying first frequencyWRATHALL ROBERT S·Filed 2021·Granted Jan 10, 2023·2 cites·36 claims
- 0990US7719862B2Power factor correction by measurement and removal of overtonesWRATHALL ROBERT S·Filed 2007·Granted May 18, 2010·12 cites·24 claims
- 1090US6005378ACompact low dropout voltage regulator using enhancement and depletion mode MOS transistorsIMPALA LINEAR CORP·Filed 1998·Granted Dec 21, 1999·87 cites·18 claims
- 1189US8018744B1Power factor correction by measurement and removal of overtonesWRATHALL ROBERT S·Filed 2010·Granted Sep 13, 2011·6 cites·20 claims
- 1289US5164802APower vdmosfet with schottky on lightly doped drain of lateral driver fetHARRIS CORP·Filed 1991·Granted Nov 17, 1992·94 cites·2 claims
- 1388US5929615AStep-up/step-down voltage regulator using an MOS synchronous rectifierIMPALA LINEAR CORP·Filed 1998·Granted Jul 27, 1999·94 cites·21 claims
- 1488US5867014ACurrent sense circuit having multiple pilot and reference transistorsIMPALA LINEAR CORP·Filed 1997·Granted Feb 2, 1999·72 cites·18 claims
- 1586US11637493B2Electrical circuits for power factor correction by measurement and removal of overtones and power factor maximizationWRATHALL ROBERT S·Filed 2022·Granted Apr 25, 2023·1 cites·42 claims
- 1685US6304067B1Adding a laplace transform zero to a linear integrated circuit for frequency stabilityMICREL INC·Filed 2000·Granted Oct 16, 2001·35 cites·28 claims
- 1785US6002244ATemperature monitoring circuit with thermal hysteresisIMPALA LINEAR CORP·Filed 1998·Granted Dec 14, 1999·46 cites·19 claims
- 1884US6809560B1Load sensing circuit for a power MOSFET switchMICREL INC·Filed 2003·Granted Oct 26, 2004·48 cites·24 claims
- 1984US5559424AVoltage regulator having improved stabilitySILICONIX INC·Filed 1994·Granted Sep 24, 1996·42 cites·11 claims
- 2082US4319181ASolid state current sensing circuitMOTOROLA INC·Filed 1980·Granted Mar 9, 1982·35 cites·9 claims
- 2181US4820968ACompensated current sensing circuitHARRIS CORP·Filed 1988·Granted Apr 11, 1989·38 cites·6 claims
- 2280US4795716AMethod of making a power IC structure with enhancement and/or CMOS logicGEN ELECTRIC·Filed 1987·Granted Jan 3, 1989·59 cites·25 claims
- 2378US6737841B2Amplifier circuit for adding a laplace transform zero in a linear integrated circuitMICREL INC·Filed 2002·Granted May 18, 2004·34 cites·63 claims
- 2477US8542503B2Systems and methods for high speed power factor correctionWRATHALL ROBERT STEPHEN·Filed 2011·Granted Sep 24, 2013·5 cites·12 claims
- 2577US4380706AVoltage reference circuitMOTOROLA INC·Filed 1980·Granted Apr 19, 1983·28 cites·6 claims
- 2676US6424132B1Adding a laplace transform zero to a linear integrated circuit for frequency stabilityMICREL INC·Filed 2001·Granted Jul 23, 2002·30 cites·71 claims
- 2775US9397570B2Systems for controlling high frequency voltage mode switching regulatorsADVANCED ANALOGIC TECH INC·Filed 2014·Granted Jul 19, 2016·3 cites·20 claims
- 2872US6395591B1Selective substrate implant process for decoupling analog and digital groundsMICREL INC·Filed 2000·Granted May 28, 2002·21 cites·17 claims
- 2969US6724257B2Error amplifier circuitMICREL INC·Filed 2002·Granted Apr 20, 2004·22 cites·19 claims
- 3069US5596265ABand gap voltage compensation circuitSILICONIX INC·Filed 1995·Granted Jan 21, 1997·38 cites·10 claims
- 3169US5506496AOutput control circuit for a voltage regulatorSILICONIX INC·Filed 1995·Granted Apr 9, 1996·27 cites·5 claims
- 3261US9350236B2Switching regulator with reduced body diode conductionADVANCED ANALOGIC TECH INC·Filed 2014·Granted May 24, 2016·1 cites·20 claims
- 3359US8896281B2Method for generating an internal compensation network of a pole and two zeros to compensate high frequency voltage mode switching regulatorsWRATHALL ROBERT·Filed 2008·Granted Nov 25, 2014·2 cites·20 claims
- 3459US4605891ASafe operating area circuit and method for an output switching deviceMOTOROLA INC·Filed 1984·Granted Aug 12, 1986·13 cites·16 claims
- 3556US8354831B2Reverse current comparator circuit and method for switching regulatorsADVANCED ANALOGIC TECH INC·Filed 2008·Granted Jan 15, 2013·3 cites·4 claims
- 3655US8803494B2Method for reducing body diode conduction in NMOS synchronous rectifiersD ANGELO KEVIN·Filed 2007·Granted Aug 12, 2014·3 cites·20 claims
- 3755US4725912APower MOS loss of ground protectionMOTOROLA INC·Filed 1987·Granted Feb 16, 1988·10 cites·6 claims
- 3854US8482270B2Reverse current comparator for switching regulatorsWRATHALL ROBERT STEPHEN·Filed 2006·Granted Jul 9, 2013·3 cites·16 claims
- 3954US4701883AECL/CMOS memory cell with separate read and write bit linesMOTOROLA INC·Filed 1986·Granted Oct 20, 1987·14 cites·17 claims
- 4054US4701718ACMOS high gain amplifier utilizing positive feedbackMOTOROLA INC·Filed 1983·Granted Oct 20, 1987·9 cites·6 claims
- 4147US4231332ASpark and dwell ignition control system using digital circuitryMOTOROLA INC·Filed 1979·Granted Nov 4, 1980·9 cites·15 claims
- 4242US2014071723A1Using power factor control to optimize power generation and allocationWRATHALL ROBERT S·Filed 2013·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →