Inventor · disambiguated record
David Michael Hugh Matthews
Also filed as: MATTHEWS DAVID MICHAEL HUGH
113 granted patents·16 pending applications·1,322 citations·filing 2001–2024
99Inventor score
Files withPOWER INTEGRATIONS INC110MATTHEWS DAVID MICHAEL HUGH9BALAKRISHNAN BALU3GAKNOKI YURY3WANG ZHAO-JUN2
Top patents by PatentIndex Score
129 records- 0199US8310845B2Power supply circuit with a control terminal for different functional modes of operationGAKNOKI YURY·Filed 2010·Granted Nov 13, 2012·40 cites·10 claims
- 0298US9444357B1Active reduced voltage switching using secondary switchPOWER INTEGRATIONS INC·Filed 2015·Granted Sep 13, 2016·28 cites·42 claims
- 0398US8369111B2Ultra low standby consumption in a high power power converterPOWER INTEGRATIONS INC·Filed 2010·Granted Feb 5, 2013·40 cites·21 claims
- 0497US9742288B2Output-side controller with switching request at relaxation ring extremumPOWER INTEGRATIONS INC·Filed 2014·Granted Aug 22, 2017·24 cites·27 claims
- 0597US9035435B2Magnetically coupled galvanically isolated communication using lead framePOWER INTEGRATIONS INC·Filed 2012·Granted May 19, 2015·22 cites·28 claims
- 0697US8115457B2Method and apparatus for implementing a power converter input terminal voltage discharge circuitBALAKRISHNAN BALU·Filed 2009·Granted Feb 14, 2012·54 cites·47 claims
- 0796US11695343B2Output-side controller with switching request at relaxation ring extremumPOWER INTEGRATIONS INC·Filed 2021·Granted Jul 4, 2023·3 cites·22 claims
- 0896US8976561B2Switch mode power converters using magnetically coupled galvanically isolated lead frame communicationPOWER INTEGRATIONS INC·Filed 2012·Granted Mar 10, 2015·23 cites·32 claims
- 0996US8624562B2Method and apparatus for implementing a power converter input terminal voltage discharge circuitBALAKRISHNAN BALU·Filed 2012·Granted Jan 7, 2014·15 cites·15 claims
- 1096US7215105B2Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supplyPOWER INTEGRATIONS INC·Filed 2006·Granted May 8, 2007·23 cites·5 claims
- 1196US6480399B2Switched mode power supply responsive to current derived from voltage across energy transfer element inputPOWER INTEGRATIONS INC·Filed 2001·Granted Nov 12, 2002·79 cites·12 claims
- 1295US10033284B2Power supply with power factor correction and output-referenced energy reservoirPOWER INTEGRATIONS INC·Filed 2016·Granted Jul 24, 2018·14 cites·39 claims
- 1395US9774248B2Introducing jitter to a switching frequency by way of modulating current limitPOWER INTEGRATIONS INC·Filed 2015·Granted Sep 26, 2017·10 cites·20 claims
- 1495US9735665B2Method and apparatus for implementing a power converter input terminal voltage discharge circuitPOWER INTEGRATIONS INC·Filed 2015·Granted Aug 15, 2017·10 cites·50 claims
- 1595US9275946B2Switch mode power converters using magnetically coupled galvanically isolated lead frame communicationPOWER INTEGRATIONS INC·Filed 2015·Granted Mar 1, 2016·12 cites·19 claims
- 1695US8385088B2Method and apparatus for implementing an unregulated dormant mode with output reset in a power converterPOWER INTEGRATIONS INC·Filed 2010·Granted Feb 26, 2013·20 cites·16 claims
- 1795US8098503B2Method and apparatus to control a power converter having a low loop bandwidthGAKNOKI YURY·Filed 2010·Granted Jan 17, 2012·14 cites·37 claims
- 1895US7952895B2Method and apparatus for implementing an unregulated dormant mode in a power converterPOWER INTEGRATIONS INC·Filed 2008·Granted May 31, 2011·40 cites·36 claims
- 1995US7109696B2Method and apparatus for trimming current limit and frequency to maintain a constant maximum powerPOWER INTEGRATIONS INC·Filed 2005·Granted Sep 19, 2006·35 cites·9 claims
- 2095US6781357B2Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supplyPOWER INTEGRATIONS INC·Filed 2002·Granted Aug 24, 2004·71 cites·20 claims
- 2194US9331004B2Magnetically coupled galvanically isolated communication using lead framePOWER INTEGRATIONS INC·Filed 2015·Granted May 3, 2016·7 cites·15 claims
- 2294US9065340B2Method and apparatus for implementing a power converter input terminal voltage discharge circuitPOWER INTERGRATIONS INC·Filed 2013·Granted Jun 23, 2015·10 cites·20 claims
- 2394US8519693B2Method and apparatus for implementing an unregulated dormant mode in a power converterMATTHEWS DAVID MICHAEL HUGH·Filed 2012·Granted Aug 27, 2013·13 cites·8 claims
- 2494US7301319B2Methods and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supplyPOWER INTEGRATIONS INC·Filed 2006·Granted Nov 27, 2007·35 cites·11 claims
- 2593US8818296B2Noise cancellation for a magnetically coupled communication link utilizing a lead framePOWER INTEGRATIONS INC·Filed 2012·Granted Aug 26, 2014·11 cites·20 claims
- 2693US7345462B2Method and apparatus for trimming current limit and frequency to maintain a constant maximum powerPOWER INTEGRATIONS INC·Filed 2006·Granted Mar 18, 2008·27 cites·10 claims
- 2793US6833692B2Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supplyPOWER INTEGRATIONS INC·Filed 2003·Granted Dec 21, 2004·61 cites·27 claims
- 2892US9166486B2Power converter using multiple controllersPOWER INTEGRATIONS INC·Filed 2013·Granted Oct 20, 2015·11 cites·28 claims
- 2992US8159839B2Method and apparatus for implementing an unregulated dormant mode in a power converterMATTHEWS DAVID MICHAEL HUGH·Filed 2011·Granted Apr 17, 2012·10 cites·12 claims
- 3092US6992471B2Method and apparatus for trimming current limit and frequency to maintain a constant maximum powerPOWER INTEGRATIONS INC·Filed 2005·Granted Jan 31, 2006·25 cites·6 claims
- 3190US10153687B2Method and apparatus for implementing a power converter input terminal voltage discharge circuitPOWER INTEGRATIONS INC·Filed 2017·Granted Dec 11, 2018·4 cites·20 claims
- 3290US10135357B1Threshold detection with tapPOWER INTEGRATIONS INC·Filed 2017·Granted Nov 20, 2018·11 cites·26 claims
- 3390US9019728B2Power converter output voltage clamp and supply terminalPOWER INTEGRATIONS INC·Filed 2013·Granted Apr 28, 2015·9 cites·28 claims
- 3490US7425834B2Method and apparatus to select a parameter/mode based on a time measurementPOWER INTEGRATIONS INC·Filed 2005·Granted Sep 16, 2008·22 cites·23 claims
- 3590US6967472B2Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supplyPOWER INTEGRATIONS INC·Filed 2004·Granted Nov 22, 2005·47 cites·9 claims
- 3689US10361632B2Magnetically coupled galvanically isolated communication using lead framePOWER INTEGRATIONS INC·Filed 2018·Granted Jul 23, 2019·3 cites·25 claims
- 3789US10079543B2Magnetically coupled galvanically isolated communication using lead framePOWER INTEGRATIONS INC·Filed 2016·Granted Sep 18, 2018·4 cites·16 claims
- 3889US7489120B2Method and apparatus for a high voltage power supply circuitPOWER INTEGRATIONS INC·Filed 2006·Granted Feb 10, 2009·24 cites·32 claims
- 3989US2024347271A1Energy transfer element magnetized after assemblyPOWER INTEGRATIONS INC·Filed 2024·Application pending·0 cites
- 4089US2024296993A1Energy transfer element magnetized after assemblyPOWER INTEGRATIONS INC·Filed 2024·Application pending·0 cites
- 4188US10608525B2Method and apparatus for implementing a power converter input terminal voltage discharge circuitPOWER INTEGRATIONS INC·Filed 2018·Granted Mar 31, 2020·3 cites·20 claims
- 4288US9112428B2Application of normally-on switching elements/devices in a stacked switching circuitPOWER INTEGRATIONS INC·Filed 2012·Granted Aug 18, 2015·10 cites·20 claims
- 4387US7760524B2Method and apparatus to reduce the volume required for bulk capacitance in a power supplyPOWER INTEGRATIONS INC·Filed 2007·Granted Jul 20, 2010·23 cites·25 claims
- 4487US7110270B2Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supplyPOWER INTEGRATIONS INC·Filed 2004·Granted Sep 19, 2006·34 cites·25 claims
- 4587US6747443B2Method and apparatus for trimming current limit and frequency to maintain a constant maximum powerPOWER INTEGRATIONS INC·Filed 2002·Granted Jun 8, 2004·37 cites·32 claims
- 4686US7239119B2Method and apparatus to provide temporary peak power from a switching regulatorPOWER INTEGRATIONS INC·Filed 2004·Granted Jul 3, 2007·40 cites·32 claims
- 4786US2024395445A1Energy transfer elements including unmagnetized magnetizable particlesPOWER INTEGRATIONS INC·Filed 2024·Application pending·0 cites
- 4885US12401285B2Magnetically coupled galvanically isolated communication using lead framePOWER INTEGRATIONS INC·Filed 2023·Granted Aug 26, 2025·0 cites·12 claims
- 4985US10128763B2Output-side controller with switching request at relaxation ring extremumPOWER INTEGRATIONS INC·Filed 2017·Granted Nov 13, 2018·3 cites·9 claims
- 5084US9929656B2Power converter using multiple controllersPOWER INTEGRATIONS INC·Filed 2015·Granted Mar 27, 2018·4 cites·23 claims
Showing the top 50 of 129 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →