Inventor · disambiguated record
Hernán D. Romero
Also filed as: ROMERO HERNAN D · ROMERO HERNÁN D
55 granted patents·6 pending applications·736 citations·filing 2004–2025
98Inventor score
Files withALLEGRO MICROSYSTEMS LLC48ALLEGRO MICROSYSTEMS INC6ROMERO HERNAN D5CESARETTI JUAN MANUEL1PIRCHIO FRANCO NOEL MARTIN1
Top patents by PatentIndex Score
61 records- 0199US7425821B2Chopped Hall effect sensorALLEGRO MICROSYSTEMS INC·Filed 2006·Granted Sep 16, 2008·139 cites·25 claims
- 0298US11662260B2Linear inductive torque sensorALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted May 30, 2023·8 cites·23 claims
- 0398US11624791B2Reducing stray magnetic-field effects using a magnetic-field closed-loop systemALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Apr 11, 2023·4 cites·17 claims
- 0498US11555872B2Reducing stray magnetic-field effects using a magnetic-field closed-loop systemALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Jan 17, 2023·9 cites·19 claims
- 0598US11262422B2Stray-field-immune coil-activated position sensorALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Mar 1, 2022·7 cites·20 claims
- 0698US9201122B2Circuits and methods using adjustable feedback for self-calibrating or self-testing a magnetic field sensor with an adjustable time constantCESARETTI JUAN MANUEL·Filed 2012·Granted Dec 1, 2015·60 cites·50 claims
- 0798US7990209B2Switched capacitor notch filterALLEGRO MICROSYSTEMS INC·Filed 2009·Granted Aug 2, 2011·111 cites·30 claims
- 0898US7605647B1Chopper-stabilized amplifier and magnetic field sensorALLEGRO MICROSYSTEMS INC·Filed 2008·Granted Oct 20, 2009·110 cites·23 claims
- 0997US11927650B2Magnetic-field closed-loop sensors with diagnosticsALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Mar 12, 2024·4 cites·36 claims
- 1097US11493361B2Stray field immune coil-activated sensorALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Nov 8, 2022·5 cites·20 claims
- 1197US10837943B2Magnetic field sensor with error calculationALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Nov 17, 2020·12 cites·26 claims
- 1296US10917092B2Magnetic field sensor with switching networkALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Feb 9, 2021·10 cites·19 claims
- 1396US10444299B2Magnetic field sensor's front end and associated mixed signal method for removing chopper's related rippleALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Oct 15, 2019·13 cites·24 claims
- 1495US11467235B1Reducing stray magnetic field effects using a magnetic field feedbackALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Oct 11, 2022·3 cites·38 claims
- 1595US11143732B2Magnetic field sensor with modulated diagnostic signalALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Oct 12, 2021·8 cites·22 claims
- 1695US9389060B2Magnetic field sensor and related techniques that provide an angle error correction moduleROMERO HERNAN D·Filed 2013·Granted Jul 12, 2016·23 cites·36 claims
- 1795US8564285B2Magnetic field sensor with improved differentiation between a sensed magnetic field signal and a noise signalROMERO HERNAN D·Filed 2010·Granted Oct 22, 2013·18 cites·45 claims
- 1894US10481219B2Magnetic field sensor with feedback loop for test signal processingALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Nov 19, 2019·13 cites·23 claims
- 1994US9645220B2Circuits and methods for self-calibrating or self-testing a magnetic field sensor using phase discriminationALLEGRO MICROSYSTEMS LLC·Filed 2014·Granted May 9, 2017·17 cites·34 claims
- 2093US11609283B2Electrical offset compensating in a magnetoresistance bridgeALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Mar 21, 2023·2 cites·36 claims
- 2193US11578997B1Angle sensor using eddy currentsALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Feb 14, 2023·2 cites·22 claims
- 2293US11307017B2Single channel magnetoresistance-based angle sensorALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Apr 19, 2022·3 cites·20 claims
- 2393US10585147B2Magnetic field sensor having error correctionALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Mar 10, 2020·6 cites·14 claims
- 2493US8416014B2Switched capacitor notch filter with fast response timeROMERO HERNAN D·Filed 2010·Granted Apr 9, 2013·20 cites·24 claims
- 2592US9753097B2Magnetic field sensors and associated methods with reduced offset and improved accuracyALLEGRO MICROSYSTEMS LLC·Filed 2014·Granted Sep 5, 2017·10 cites·24 claims
- 2692US9739847B1Circular vertical hall (CVH) sensing element with signal processingALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Aug 22, 2017·7 cites·23 claims
- 2791US10481220B2Circular vertical hall (CVH) sensing element with signal processing and arctangent functionALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Nov 19, 2019·6 cites·24 claims
- 2889US10884092B2Non-orthogonality compensation of a magnetic field sensorALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Jan 5, 2021·4 cites·26 claims
- 2989US10288698B2Magnetic field sensor having alignment error correctionALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted May 14, 2019·4 cites·22 claims
- 3089US9547048B2Circuit and method for reducing an offset component of a plurality of vertical hall elements arranged in a circleALLEGRO MICROSYSTEMS LLC·Filed 2014·Granted Jan 17, 2017·8 cites·38 claims
- 3187US9377285B2Magnetic field sensor and related techniques that provide varying current spinning phase sequences of a magnetic field sensing elementROMERO HERNAN D·Filed 2013·Granted Jun 28, 2016·9 cites·16 claims
- 3285US9817083B2Magnetic field sensors and associated methods for removing undesirable spectral componentsROMERO HERNAN D·Filed 2012·Granted Nov 14, 2017·6 cites·26 claims
- 3385US8937797B2Method and apparatus to detect a broken wire condition in an integrated circuitPIRCHIO FRANCO NOEL MARTIN·Filed 2012·Granted Jan 20, 2015·13 cites·15 claims
- 3484US11555868B2Electronic circuit having vertical hall elements arranged on a substrate to reduce an orthogonality errorALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Jan 17, 2023·1 cites·26 claims
- 3584US11428755B2Coil actuated sensor with sensitivity detectionALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Aug 30, 2022·2 cites·18 claims
- 3684US11073577B2TMR magnetic sensorALLEGRO MICROSYSTEMS LLC·Filed 2019·Granted Jul 27, 2021·2 cites·26 claims
- 3784US7518414B2Track-and-hold peak detector circuitALLEGRO MICROSYSTEMS INC·Filed 2005·Granted Apr 14, 2009·14 cites·24 claims
- 3883US9739848B1Circular vertical hall (CVH) sensing element with sliding integrationALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Aug 22, 2017·3 cites·23 claims
- 3980US2023375644A1Coil actuated sensor with sensitivity detectionALLEGRO MICROSYSTEMS LLC·Filed 2023·Application pending·0 cites
- 4079US2025180670A1Self-calibrating magnetoresistance-based magnetic field sensorsALLEGRO MICROSYSTEMS LLC·Filed 2025·Application pending·0 cites
- 4178US7053674B1Track-and-hold peak detector circuitALLEGRO MICROSYSTEMS INC·Filed 2004·Granted May 30, 2006·25 cites·30 claims
- 4277US12253576B2Self-calibrating magnetoresistance-based magnetic field sensorsALLEGRO MICROSYSTEMS LLC·Filed 2023·Granted Mar 18, 2025·0 cites·51 claims
- 4377US11768256B2Coil actuated sensor with sensitivity detectionALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Sep 26, 2023·0 cites·15 claims
- 4475US11047933B2Fast response magnetic field sensors and associated methods for removing undesirable spectral componentsALLEGRO MICROSYSTEMS LLC·Filed 2019·Granted Jun 29, 2021·3 cites·50 claims
- 4573US10495701B2Circular vertical hall (CVH) sensing element with DC offset removalALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Dec 3, 2019·1 cites·15 claims
- 4671US10823789B2Fast-switching driver circuit for an inductive loadALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Nov 3, 2020·2 cites·21 claims
- 4766US12174275B2Magnetic field closed loop sensors with offset reductionALLEGRO MICROSYSTEMS LLC·Filed 2023·Granted Dec 24, 2024·0 cites·21 claims
- 4864US12416692B2Stray field immune angle sensorALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Sep 16, 2025·0 cites·24 claims
- 4963US6995606B2High pass filter using insulated gate field effect transistorsALLEGRO MICROSYSTEMS INC·Filed 2004·Granted Feb 7, 2006·9 cites·19 claims
- 5061US2025180671A1Sensor with common mode rejection and offset correctionALLEGRO MICROSYSTEMS LLC·Filed 2024·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →