Inventor · disambiguated record
Henricus Cornelis Johannes Büthker
Also filed as: BUETHKER HENRICUS C J · BUETHKER HENRICUS CORNELIS JOHANNES · BUTHKER HENRICUS · BUTHKER HENRICUS C J
37 granted patents·4 pending applications·372 citations·filing 1992–2023
97Inventor score
Files withNXP BV25PHILIPS CORP6BUTHKER HENRICUS CORNELIS JOHANNES3AAN DE STEGGE DENNIS1DATANG NXP SEMICONDUCTORS CO LTD1
Top patents by PatentIndex Score
41 records- 0196US9769898B1Adjusted pulse width modulation (PWM) curve calculations for improved accuracyNXP BV·Filed 2016·Granted Sep 19, 2017·24 cites·20 claims
- 0290US9894733B1Standalone light emitting diode (LED) controllerNXP BV·Filed 2016·Granted Feb 13, 2018·17 cites·20 claims
- 0382US9673657B2Battery charging apparatus and approachNXP BV·Filed 2014·Granted Jun 6, 2017·11 cites·16 claims
- 0480US9967946B1Overshoot protection circuit for LED lightingNXP BV·Filed 2017·Granted May 8, 2018·3 cites·10 claims
- 0578US11539351B1Mode detector for DC-DC convertersNXP BV·Filed 2021·Granted Dec 27, 2022·1 cites·19 claims
- 0678US5780986ASoft switching, PWM controller and method for reducing torque ripple in multiphase DC motorHEWLETT PACKARD CO·Filed 1996·Granted Jul 14, 1998·72 cites·9 claims
- 0777US9116533B2Cascoded semiconductor devices with gate bias circuitNXP BV·Filed 2014·Granted Aug 25, 2015·4 cites·12 claims
- 0876US9118246B2Control system for multi output DCDC converterBUTHKER HENRICUS CORNELIS JOHANNES·Filed 2011·Granted Aug 25, 2015·5 cites·20 claims
- 0974US5859512ADrive circuit supplying drive signals to a plurality of windings of a multi-phase d.c. motorPHILIPS CORP·Filed 1997·Granted Jan 12, 1999·39 cites·29 claims
- 1072US10333402B2Apparatus comprising multiple power converters with real or artifical hysteresisNXP BV·Filed 2018·Granted Jun 25, 2019·1 cites·15 claims
- 1172US9900950B1Adjusted pulse width modulation (PWM) curve calculations for improved accuracyNXP BV·Filed 2017·Granted Feb 20, 2018·1 cites·20 claims
- 1272US8072195B2Voltage converterAAN DE STEGGE DENNIS·Filed 2009·Granted Dec 6, 2011·15 cites·9 claims
- 1369US5949203AArrangement for generating drive signals for a multi-phase d.c. motor, lock detector, drive arrangement and disk drivePHILIPS CORP·Filed 1997·Granted Sep 7, 1999·32 cites·22 claims
- 1469US5892355ACurrent and voltage-sensingFiled 1997·Granted Apr 6, 1999·31 cites·6 claims
- 1567US5272613ACascaded rectifier and two switched voltage converter circuits with harmonics suppressionPHILIPS CORP·Filed 1992·Granted Dec 21, 1993·38 cites·15 claims
- 1666US9974132B2Circuits, controllers and methods for controlling LED strings or circuitsNXP BV·Filed 2016·Granted May 15, 2018·1 cites·12 claims
- 1765US12062982B2Constant on-time boost converterNXP BV·Filed 2022·Granted Aug 13, 2024·0 cites·19 claims
- 1865US5418702ASwitch mode power supply with BJT/MOSFET cascode circuitPHILIPS CORP·Filed 1994·Granted May 23, 1995·32 cites·6 claims
- 1961US10181849B1Transistor control terminal control circuitNXP BV·Filed 2017·Granted Jan 15, 2019·1 cites·21 claims
- 2061US8552705B2Lower power controller for DC to DC convertersBUTHKER HENRICUS CORNELIS JOHANNES·Filed 2008·Granted Oct 8, 2013·2 cites·30 claims
- 2160US11601123B1Power-on reset (POR) circuitNXP BV·Filed 2021·Granted Mar 7, 2023·0 cites·14 claims
- 2258US11047919B2Open wire detection system and method thereforNXP BV·Filed 2018·Granted Jun 29, 2021·0 cites·20 claims
- 2358US6265841B1Device for driving a multi-phase d.c. motorPHILIPS CORP·Filed 1999·Granted Jul 24, 2001·21 cites·13 claims
- 2457US11515585B2Accurate battery temperature measurement by compensating self heatingDATANG NXP SEMICONDUCTORS CO LTD·Filed 2019·Granted Nov 29, 2022·0 cites·12 claims
- 2551US9820345B2LED controllerNXP BV·Filed 2016·Granted Nov 14, 2017·0 cites·15 claims
- 2651US9543830B2Sense current measurement in switch mode power convertersNXP BV·Filed 2014·Granted Jan 10, 2017·0 cites·5 claims
- 2748US12034361B2Controller for a DC-DC converterNXP BV·Filed 2022·Granted Jul 9, 2024·0 cites·16 claims
- 2848US10014766B2Mains power converter, a controller therefor, and methods of operating the sameNXP BV·Filed 2016·Granted Jul 3, 2018·0 cites·18 claims
- 2948US9112443B2Current controlled actuator driver with improved accuracy at low currentBUTHKER HENRICUS CORNELIS JOHANNES·Filed 2012·Granted Aug 18, 2015·0 cites·20 claims
- 3047US12278623B2Power on reset (POR) circuitNXP BV·Filed 2023·Granted Apr 15, 2025·0 cites·21 claims
- 3147US10871526B2Apparatus and method for detecting faulty charge pump capacitorNXP BV·Filed 2018·Granted Dec 22, 2020·0 cites·20 claims
- 3247US9608514B2Diode circuit and power factor correction boost converter using the sameNXP BV·Filed 2015·Granted Mar 28, 2017·0 cites·16 claims
- 3347US2011031816A1Photovoltaic unit, a dc-dc converter therefor, and a method of operating the sameNXP BV·Filed 2010·Application pending·0 cites
- 3446US10164475B2Wireless power receiverNXP BV·Filed 2016·Granted Dec 25, 2018·0 cites·17 claims
- 3546US7583066B2Method of operating a DC/DC up/down converterNXP BV·Filed 2004·Granted Sep 1, 2009·7 cites·16 claims
- 3644US5990641AMotor control device apparatus for the recording and/or reproduction of information including the motor control devicePHILIPS CORP·Filed 1997·Granted Nov 23, 1999·14 cites·8 claims
- 3743US8664797B2Photovoltaic assembly and method of operating a photovoltaic assemblyDE WAAL KLAAS·Filed 2010·Granted Mar 4, 2014·0 cites·7 claims
- 3843US2015256098A1Mains power converter, and methods of operating and equipment incorporating the sameNXP BV·Filed 2014·Application pending·0 cites
- 3942US2023059128A1DCDC ConverterNXP BV·Filed 2021·Application pending·0 cites
- 4034US6479955B2Method of energizing a polyphase motor having an increased energy efficiencyKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Nov 12, 2002·0 cites·12 claims
- 4133US2005104535A1Driver circuit for an electroluminescent lampFiled 2003·Application pending·0 cites
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