Inventor · disambiguated record
Michael A. De Rooij
Also filed as: DE ROOIJ MICHAEL · DE ROOIJ MICHAEL A · DE ROOIJ MICHAEL ANDREW
50 granted patents·10 pending applications·534 citations·filing 2002–2024
98Inventor score
Files withGEN ELECTRIC25EFFICIENT POWER CONVERSION CORP24EFFICIENT POWER CONV CORP3GLASER JOHN STANLEY2LOCKHEED CORP2
Top patents by PatentIndex Score
60 records- 0196US8378656B2Quasi-AC, photovoltaic module for unfolder photovoltaic inverterGEN ELECTRIC·Filed 2008·Granted Feb 19, 2013·145 cites·21 claims
- 0294US10790811B2Cascaded bootstrapping GaN power switch and driverEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Sep 29, 2020·10 cites·16 claims
- 0393US7378851B1Integrated low noise amplifier and balun for MRI receiversGEN ELECTRIC·Filed 2006·Granted May 27, 2008·24 cites·24 claims
- 0492US9667245B2High voltage zero QRR bootstrap supplyEFFICIENT POWER CONV CORP·Filed 2015·Granted May 30, 2017·9 cites·10 claims
- 0592US8922972B2Integral module power conditioning systemKORMAN CHARLES STEVEN·Filed 2011·Granted Dec 30, 2014·11 cites·14 claims
- 0692US7915992B2Planar, high voltage embedded transformer for analog and digital data transmissionGEN ELECTRIC·Filed 2009·Granted Mar 29, 2011·21 cites·20 claims
- 0791US7929325B2High efficiency, multi-source photovoltaic inverterGEN ELECTRIC·Filed 2008·Granted Apr 19, 2011·33 cites·17 claims
- 0891US7652476B2Integrated capacitor shield for balun in MRI receiversGEN ELECTRIC·Filed 2006·Granted Jan 26, 2010·21 cites·27 claims
- 0990US7880577B1Current doubler rectifier with current ripple cancellationLOCKHEED CORP·Filed 2006·Granted Feb 1, 2011·30 cites·18 claims
- 1089US9837438B2GaN transistors with polysilicon layers used for creating additional componentsEFFICIENT POWER CONVERSION CORP·Filed 2015·Granted Dec 5, 2017·6 cites·8 claims
- 1187US9484862B2Device and method for bias control of class A power RF amplifierEFFICIENT POWER CONV CORP·Filed 2014·Granted Nov 1, 2016·11 cites·14 claims
- 1287US7982570B2High performance low volume inductor and method of making sameGEN ELECTRIC·Filed 2006·Granted Jul 19, 2011·15 cites·17 claims
- 1387US7465872B1Photovoltaic power converter system with a controller configured to actively compensate load harmonicsGEN ELECTRIC·Filed 2003·Granted Dec 16, 2008·35 cites·14 claims
- 1486US10784794B2GaN FET gate driver for self-oscillating convertersEFFICIENT POWER CONVERSION CORP·Filed 2018·Granted Sep 22, 2020·4 cites·9 claims
- 1584US9331061B2Parallel connection methods for high performance transistorsDE ROOIJ MICHAEL A·Filed 2012·Granted May 3, 2016·10 cites·46 claims
- 1682US10840742B2Wireless power receiver synchronization detection circuitEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Nov 17, 2020·3 cites·11 claims
- 1782US10312260B2GaN transistors with polysilicon layers used for creating additional componentsEFFICIENT POWER CONVERSION CORP·Filed 2017·Granted Jun 4, 2019·3 cites·17 claims
- 1882US7327024B2Power module, and phase leg assemblyGEN ELECTRIC·Filed 2004·Granted Feb 5, 2008·33 cites·27 claims
- 1980US11019718B2Low parasitic inductance structure for power switched circuitsEFFICIENT POWER CONVERSION CORP·Filed 2020·Granted May 25, 2021·1 cites·7 claims
- 2080US6956188B2Induction heating coil with integrated resonant capacitor and method of fabrication thereof, and induction heating system employing the sameGEN ELECTRIC·Filed 2002·Granted Oct 18, 2005·30 cites·12 claims
- 2179US10454472B2Bootstrap capacitor over-voltage management circuit for GaN transistor based power convertersEFFICIENT POWER CONVERSION CORP·Filed 2017·Granted Oct 22, 2019·3 cites·15 claims
- 2279US10243546B2Enhancement mode FET gate driver ICEFFICIENT POWER CONVERSION CORP·Filed 2017·Granted Mar 26, 2019·4 cites·6 claims
- 2377US7795562B2Dual coil induction heating systemGEN ELECTRIC·Filed 2006·Granted Sep 14, 2010·5 cites·13 claims
- 2476US7672147B1High attenuation filtering circuit for power convertersLOCKHEED CORP·Filed 2007·Granted Mar 2, 2010·13 cites·17 claims
- 2574US10637456B2Low voltage drop cascaded synchronous bootstrap supply circuitEFFICIENT POWER CONVERSION CORP·Filed 2018·Granted Apr 28, 2020·2 cites·19 claims
- 2671US9634555B2Method for operating a non-isolated switching converter having synchronous rectification capability suitable for power factor correction applicationsEFFICIENT POWER CONV CORP·Filed 2013·Granted Apr 25, 2017·3 cites·10 claims
- 2770US7022952B2Dual coil induction heating systemGEN ELECTRIC·Filed 2003·Granted Apr 4, 2006·11 cites·12 claims
- 2869US12218593B2Half-bridge circuits with symmetrical layout of parallel transistors and capacitorsEFFICIENT POWER CONVERSION CORP·Filed 2022·Granted Feb 4, 2025·0 cites·9 claims
- 2969US8023297B2High efficiency photovoltaic inverterGEN ELECTRIC·Filed 2008·Granted Sep 20, 2011·8 cites·19 claims
- 3068US10084445B2High voltage zero QRR bootstrap supplyEFFICIENT POWER CONVERSION CORP·Filed 2017·Granted Sep 25, 2018·1 cites·13 claims
- 3167US11038503B2GaN driver using active pre-driver with feedbackEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Jun 15, 2021·1 cites·8 claims
- 3265US12463634B2Synchronizing turn-on/turn-off times of parallel power FETsEFFICIENT POWER CONVERSION CORP·Filed 2024·Granted Nov 4, 2025·0 cites·10 claims
- 3364US12463638B2Driver circuit for GaN FET solid state relayEFFICIENT POWER CONVERSION CORP·Filed 2023·Granted Nov 4, 2025·0 cites·20 claims
- 3464US7760005B2Power electronic module including desaturation detection diodeGEN ELECTRIC·Filed 2007·Granted Jul 20, 2010·4 cites·29 claims
- 3563US8227683B2System, method, and aparatus for extracting power from a photovoltaic source of electrical energyGLASER JOHN STANLEY·Filed 2010·Granted Jul 24, 2012·2 cites·14 claims
- 3662US12355435B2Universal power FET driver IC architectureEFFICIENT POWER CONVERSION CORP·Filed 2023·Granted Jul 8, 2025·0 cites·7 claims
- 3762US10901011B2Magnetic field pulse current sensing for timing-sensitive circuitsEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Jan 26, 2021·0 cites·16 claims
- 3861US7142440B2Ripple-current reduction for transformersGEN ELECTRIC·Filed 2004·Granted Nov 28, 2006·14 cites·39 claims
- 3959US12113524B2Active bootstrapping driversEFFICIENT POWER CONVERSION CORP·Filed 2022·Granted Oct 8, 2024·0 cites·8 claims
- 4055US10862337B2Large area scalable highly resonant wireless power coilEFFICIENT POWER CONVERSION CORP·Filed 2018·Granted Dec 8, 2020·0 cites·26 claims
- 4154US6984789B2Electrical cable and method of makingGEN ELECTRIC·Filed 2004·Granted Jan 10, 2006·4 cites·36 claims
- 4254US6735862B1Method of making electrical cableGEN ELECTRIC·Filed 2003·Granted May 18, 2004·4 cites·40 claims
- 4353US10931244B2Common gate amplifier with high isolation from output to inputEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Feb 23, 2021·0 cites·6 claims
- 4451US11646656B2Multi-level converter with voltage divider for pre-charging flying capacitorEFFICIENT POWER CONVERSION CORP·Filed 2020·Granted May 9, 2023·0 cites·9 claims
- 4550US2008123373A1Current fed power converter system including normally-on switchGEN ELECTRIC·Filed 2006·Application pending·0 cites
- 4648US8040642B2Smart capacitorGEN ELECTRIC·Filed 2009·Granted Oct 18, 2011·0 cites·22 claims
- 4747US2008054298A1Power module with laminar interconnectGEN ELECTRIC·Filed 2007·Application pending·0 cites
- 4846US10892650B2Multi-coil large area wireless power systemEFFICIENT POWER CONVERSION CORP·Filed 2018·Granted Jan 12, 2021·0 cites·17 claims
- 4946US2010301676A1Solar power generation system including weatherable units including photovoltaic modules and isolated power convertersGEN ELECTRIC·Filed 2009·Application pending·0 cites
- 5045US10230341B2High efficiency voltage mode class D topologyEFFICIENT POWER CONVERSION CORP·Filed 2018·Granted Mar 12, 2019·0 cites·7 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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