Inventor · disambiguated record
Johan Tjeerd Strydom
Also filed as: STRYDOM JOHAN · STRYDOM JOHAN T · STRYDOM JOHAN TJEERD
38 granted patents·11 pending applications·118 citations·filing 2005–2024
96Inventor score
Files withTEXAS INSTRUMENTS INC35EFFICIENT POWER CONVERSION CORP6EFFICIENT POWER CONV CORP3INT RECTIFIER CORP2DE ROOIJ MICHAEL A1
Top patents by PatentIndex Score
49 records- 0195US9716430B1Methods and circuitry for sampling a signalTEXAS INSTRUMENTS INC·Filed 2016·Granted Jul 25, 2017·11 cites·21 claims
- 0293US9607876B2Semiconductor devices with back surface isolationLIDOW ALEXANDER·Filed 2011·Granted Mar 28, 2017·13 cites·31 claims
- 0392US10742209B2Methods and circuitry for driving a deviceTEXAS INSTRUMENTS INC·Filed 2019·Granted Aug 11, 2020·5 cites·33 claims
- 0492US9667245B2High voltage zero QRR bootstrap supplyEFFICIENT POWER CONV CORP·Filed 2015·Granted May 30, 2017·9 cites·10 claims
- 0591US10312131B2Semiconductor devices with back surface isolationEFFICIENT POWER CONVERSION CORP·Filed 2017·Granted Jun 4, 2019·7 cites·4 claims
- 0690US11075627B2Methods and circuitry for driving a deviceTEXAS INSTRUMENTS INC·Filed 2020·Granted Jul 27, 2021·2 cites·33 claims
- 0789US10439503B1Methods, apparatus, and systems to facilitate high side control of a switching power converterTEXAS INSTRUMENTS INC·Filed 2018·Granted Oct 8, 2019·4 cites·21 claims
- 0888US11435770B2Fixed current-gain booster for capacitive gate power device with input voltage controlTEXAS INSTRUMENTS INC·Filed 2020·Granted Sep 6, 2022·2 cites·11 claims
- 0987US9484862B2Device and method for bias control of class A power RF amplifierEFFICIENT POWER CONV CORP·Filed 2014·Granted Nov 1, 2016·11 cites·14 claims
- 1084US12316241B2Synchronous bootstrap half bridge rectifierTEXAS INSTRUMENTS INC·Filed 2024·Granted May 27, 2025·0 cites·20 claims
- 1184US9331061B2Parallel connection methods for high performance transistorsDE ROOIJ MICHAEL A·Filed 2012·Granted May 3, 2016·10 cites·46 claims
- 1284US9035417B2Parasitic inductance reduction for multilayered board layout designs with semiconductor devicesEFFICIENT POWER CONVERSION CORP·Filed 2013·Granted May 19, 2015·7 cites·10 claims
- 1383US11031933B2Enhancement mode startup circuit with JFET emulationTEXAS INSTRUMENTS INC·Filed 2019·Granted Jun 8, 2021·3 cites·20 claims
- 1482US10591516B2Methods and circuitry for analyzing voltagesTEXAS INSTRUMENTS INC·Filed 2018·Granted Mar 17, 2020·2 cites·20 claims
- 1582US10581335B1Methods, apparatus, and systems to facilitate high side control of a switching power converterTEXAS INSTRUMENTS INC·Filed 2019·Granted Mar 3, 2020·2 cites·20 claims
- 1680US7417504B2Startup and shutdown click noise elimination for class D amplifierINT RECTIFIER CORP·Filed 2007·Granted Aug 26, 2008·11 cites·10 claims
- 1779US10024887B2Methods and circuitry for analyzing voltagesTEXAS INSTRUMENTS INC·Filed 2016·Granted Jul 17, 2018·2 cites·20 claims
- 1875US11709186B2Methods and circuitry for analyzing voltagesTEXAS INSTRUMENTS INC·Filed 2021·Granted Jul 25, 2023·0 cites·17 claims
- 1974US12062995B2Synchronous bootstrap half bridge rectifierTEXAS INSTRUMENTS INC·Filed 2022·Granted Aug 13, 2024·0 cites·20 claims
- 2073US2024204540A1Active cell balancingTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 2173US2024204541A1Active cell balancingTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 2272US11009530B2Methods and circuitry for analyzing voltagesTEXAS INSTRUMENTS INC·Filed 2020·Granted May 18, 2021·0 cites·12 claims
- 2371US9634555B2Method 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
- 2470US11621708B2Enhancement mode startup circuit with JFET emulationTEXAS INSTRUMENTS INC·Filed 2021·Granted Apr 4, 2023·0 cites·22 claims
- 2569US12362740B2Transistor switching based on voltage sensingTEXAS INSTRUMENTS INC·Filed 2023·Granted Jul 15, 2025·0 cites·19 claims
- 2669US8587274B2Feedback control of a DC/DC power converterSTRYDOM JOHAN·Filed 2009·Granted Nov 19, 2013·12 cites·25 claims
- 2768US10084445B2High voltage zero QRR bootstrap supplyEFFICIENT POWER CONVERSION CORP·Filed 2017·Granted Sep 25, 2018·1 cites·13 claims
- 2867US12158769B2Fixed current-gain booster for capacitive gate power device with input voltage controlTEXAS INSTRUMENTS INC·Filed 2022·Granted Dec 3, 2024·0 cites·31 claims
- 2966US11171570B2High low power converter switches, latch, diode isolated intermediate groundTEXAS INSTRUMENTS INC·Filed 2020·Granted Nov 9, 2021·0 cites·20 claims
- 3063US11716078B2Transistor switching based on voltage sensingTEXAS INSTRUMENTS INC·Filed 2022·Granted Aug 1, 2023·0 cites·18 claims
- 3163US11533049B2Pre-charge techniques for a multi-level flying capacitor converterTEXAS INSTRUMENTS INC·Filed 2021·Granted Dec 20, 2022·0 cites·20 claims
- 3262US10600674B2Semiconductor devices with back surface isolationEFFICIENT POWER CONVERSION CORP·Filed 2019·Granted Mar 24, 2020·0 cites·13 claims
- 3360US11082033B2Rapid and high voltage pulse generation circuitsTEXAS INSTRUMENTS INC·Filed 2020·Granted Aug 3, 2021·0 cites·20 claims
- 3455US2024128246A1Semiconductor devices and methods of making sameTEXAS INSTRUMENTS INC·Filed 2022·Application pending·0 cites
- 3554US10153696B2Methods and circuitry for sampling a signalTEXAS INSTRUMENTS INC·Filed 2017·Granted Dec 11, 2018·0 cites·10 claims
- 3654US2025048667A1Semiconductor device with gate electrical contact forming junctions having different energy barrier heights to gate layerTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 3753US10263615B2Circuit and method for driving a device through drive cyclesTEXAS INSTRUMENTS INC·Filed 2016·Granted Apr 16, 2019·0 cites·20 claims
- 3853US2024072644A1Controller for switching convertersTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 3952US2024405078A1Integrated devices with conductive barrier structureTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 4052US2025070656A1Hysteric control for resonant convertersTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 4151US2024313656A1Bias generation for power converterTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 4249US11004942B2Controlling bi-directional switching devicesTEXAS INSTRUMENTS INC·Filed 2017·Granted May 11, 2021·0 cites·19 claims
- 4348US2023122886A1Switch mode power supply systemTEXAS INSTRUMENTS INC·Filed 2022·Application pending·0 cites
- 4447US7355431B2Test arrangement including anisotropic conductive film for testing power moduleINT RECTIFIER CORP·Filed 2005·Granted Apr 8, 2008·1 cites·4 claims
- 4546US2022399879A1Synchronous switch control methodTEXAS INSTRUMENTS INC·Filed 2021·Application pending·0 cites
- 4645US10230341B2High efficiency voltage mode class D topologyEFFICIENT POWER CONVERSION CORP·Filed 2018·Granted Mar 12, 2019·0 cites·7 claims
- 4744US2024146298A1Adjustable power fet driverTEXAS INSTRUMENTS INC·Filed 2022·Application pending·0 cites
- 4843US9887677B2High efficiency voltage mode class D topologyEFFICIENT POWER CONVERSION CORP·Filed 2014·Granted Feb 6, 2018·0 cites·15 claims
- 4939US10079604B1Staggered switching in a load driverTEXAS INSTRUMENTS INC·Filed 2017·Granted Sep 18, 2018·0 cites·11 claims
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