Inventor · disambiguated record
Michael A. Sperling
Also filed as: SPERLING MICHAEL · SPERLING MICHAEL A
41 granted patents·15 pending applications·182 citations·filing 2005–2024
97Inventor score
Top patents by PatentIndex Score
56 records- 0194US8619979B2Physically unclonable function implemented through threshold voltage comparisonFICKE JOEL T·Filed 2010·Granted Dec 31, 2013·39 cites·18 claims
- 0292US7355435B2On-chip detection of power supply vulnerabilitiesIBM·Filed 2005·Granted Apr 8, 2008·20 cites·4 claims
- 0390US10742202B1Autozero to an offset value for a slope detector for voltage droop monitoringIBM·Filed 2019·Granted Aug 11, 2020·4 cites·20 claims
- 0488US10833653B1Voltage sensitive delayIBM·Filed 2019·Granted Nov 10, 2020·3 cites·20 claims
- 0586US8605489B2Enhanced data retention mode for dynamic memoriesREOHR WILLIAM ROBERT·Filed 2011·Granted Dec 10, 2013·10 cites·25 claims
- 0686US7952370B2On-chip detection of power supply vulnerabilitiesIBM·Filed 2010·Granted May 31, 2011·5 cites·14 claims
- 0784US7301320B2On-chip high frequency power supply noise sensorIBM·Filed 2005·Granted Nov 27, 2007·13 cites·3 claims
- 0883US10069409B2Distributed voltage regulation system for mitigating the effects of IR-dropIBM·Filed 2016·Granted Sep 4, 2018·4 cites·20 claims
- 0983US10033270B2Dynamic voltage regulationIBM·Filed 2016·Granted Jul 24, 2018·4 cites·18 claims
- 1082US11303285B1Multi-mode design and operation for transistor mismatch immunityIBM·Filed 2021·Granted Apr 12, 2022·2 cites·9 claims
- 1182US10644497B2Charge pump for distributed voltage passgate with high voltage protectionIBM·Filed 2017·Granted May 5, 2020·4 cites·15 claims
- 1282US8237513B2Phase locked loop with startup oscillator and primary oscillatorMUENCH PAUL D·Filed 2010·Granted Aug 7, 2012·9 cites·14 claims
- 1381US7646208B2On-chip detection of power supply vulnerabilitiesIBM·Filed 2008·Granted Jan 12, 2010·8 cites·11 claims
- 1480US10601216B2Distributed environment analog multiplexor with high-voltage protectionIBM·Filed 2016·Granted Mar 24, 2020·4 cites·20 claims
- 1579US7777475B2Power supply insensitive PTAT voltage generatorIBM·Filed 2008·Granted Aug 17, 2010·11 cites·16 claims
- 1676US10931269B1Early mode protection for chip-to-chip synchronous interfacesIBM·Filed 2019·Granted Feb 23, 2021·2 cites·20 claims
- 1776US9882552B2Low power amplifierIBM·Filed 2015·Granted Jan 30, 2018·3 cites·15 claims
- 1875US11119126B2Slope detector for voltage droop monitoringIBM·Filed 2019·Granted Sep 14, 2021·1 cites·17 claims
- 1975US10797712B1Maintaining a digitally controlled oscillator at an ideal state by changing the voltage supplyIBM·Filed 2019·Granted Oct 6, 2020·3 cites·20 claims
- 2072US7212062B2Power supply noise insensitive multiplexerIBM·Filed 2005·Granted May 1, 2007·7 cites·6 claims
- 2171US7692480B2System to evaluate a voltage in a charge pump and associated methodsIBM·Filed 2008·Granted Apr 6, 2010·7 cites·7 claims
- 2269US8575905B2Dual loop voltage regulator with bias voltage capacitorBULZACCHELLI JOHN·Filed 2010·Granted Nov 5, 2013·4 cites·20 claims
- 2369US7279949B2Programmable delay elementIBM·Filed 2005·Granted Oct 9, 2007·6 cites·14 claims
- 2467US9250271B2Charge pump generator with direct voltage sensorIBM·Filed 2013·Granted Feb 2, 2016·2 cites·16 claims
- 2564US8587465B2Successive approximation analog to digital converter with comparator input togglingCHEN ANN H·Filed 2011·Granted Nov 19, 2013·5 cites·18 claims
- 2663US12095891B2Communication systems for power supply noise reductionIBM·Filed 2022·Granted Sep 17, 2024·0 cites·18 claims
- 2761US12176960B2Communication systems for power supply noise reductionIBM·Filed 2022·Granted Dec 24, 2024·0 cites·18 claims
- 2861US11204635B2Droop detection using power supply sensitive delayIBM·Filed 2019·Granted Dec 21, 2021·0 cites·18 claims
- 2960US2025328177A1Two-stage processor voltage regulationIBM·Filed 2024·Application pending·0 cites
- 3060US2025336890A1On-die control for active interposer voltage regulationIBM·Filed 2024·Application pending·0 cites
- 3158US11979480B2Quadrature circuit interconnect architecture with clock forwardingIBM·Filed 2022·Granted May 7, 2024·0 cites·20 claims
- 3258US7795762B2On-chip high frequency power supply noise sensorIBM·Filed 2007·Granted Sep 14, 2010·2 cites·1 claims
- 3357US2025348120A1On-chip voltage regulation with dynamic shunt current controlIBM·Filed 2024·Application pending·0 cites
- 3456US9341655B2Charge pump generator with direct voltage sensorGLOBALFOUNDRIES INC·Filed 2014·Granted May 17, 2016·0 cites·8 claims
- 3555US11973630B1Calibrating a quadrature receive serial interfaceIBM·Filed 2022·Granted Apr 30, 2024·0 cites·20 claims
- 3655US11435426B2Current measurement in power-gated microprocessorsIBM·Filed 2020·Granted Sep 6, 2022·0 cites·19 claims
- 3755US11322439B2FEOL interconnect used as capacitance over fins instead of gatesIBM·Filed 2019·Granted May 3, 2022·0 cites·10 claims
- 3855US2025315098A1Global processor core voltage control through integrated voltage regulationIBM·Filed 2024·Application pending·0 cites
- 3954US9871527B2Phase locked loop with sense amplifier circuitryIBM·Filed 2017·Granted Jan 16, 2018·0 cites·20 claims
- 4054US2025085732A1Distributed voltage regulation by current sharingIBM·Filed 2023·Application pending·0 cites
- 4152US8227310B2Integrated circuits comprising an active transistor electrically connected to a trench capacitor by an overlying contact and methods of makingBARTH JR JOHN E·Filed 2008·Granted Jul 24, 2012·0 cites·9 claims
- 4251US11163327B2Digitally assisted low dropout (LDO) voltage regulatorIBM·Filed 2019·Granted Nov 2, 2021·0 cites·19 claims
- 4349US2015054575A1Digital control system for distributed voltage regulatorsIBM·Filed 2014·Application pending·0 cites
- 4448US8937345B2Integrated circuits comprising an active transistor electrically connected to a trench capacitor by an overlying contactBARTH JR JOHN E·Filed 2012·Granted Jan 20, 2015·0 cites·12 claims
- 4547US2015054574A1Digital control system for distributed voltage regulatorsIBM·Filed 2013·Application pending·0 cites
- 4646US11281249B2Voltage sensitive current circuitIBM·Filed 2019·Granted Mar 22, 2022·0 cites·8 claims
- 4743US11152920B2Voltage starved passgate with IR dropIBM·Filed 2019·Granted Oct 19, 2021·0 cites·20 claims
- 4839US2009033311A1Current Source with Power Supply Voltage Variation CompensationIBM·Filed 2007·Application pending·0 cites
- 4939US2010001788A1System to evaluate charge pump outputs and associated methodsBARTH JR JOHN E·Filed 2008·Application pending·0 cites
- 5038US2007164754A1On-chip high frequency power supply noise sensorIBM·Filed 2006·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →