Inventor · disambiguated record
Sumant Ranganathan
Also filed as: RANGANATHAN SUMANT
68 granted patents·17 pending applications·568 citations·filing 2001–2023
99Inventor score
Top patents by PatentIndex Score
85 records- 0196US8449393B2Hand-held gaming device with configurable touch sensitive panel(s)SOBEL DAVID A·Filed 2010·Granted May 28, 2013·41 cites·27 claims
- 0294US9066368B2Method of calibrating the delay of an envelope tracking signalLORENZ ROBERT·Filed 2012·Granted Jun 23, 2015·23 cites·21 claims
- 0393US10712867B2Pixelated self-capacitance water rejectionAPPLE INC·Filed 2015·Granted Jul 14, 2020·10 cites·19 claims
- 0492US11677255B1Frequency management for wireless power transferAPPLE INC·Filed 2021·Granted Jun 13, 2023·2 cites·13 claims
- 0592US7925906B2Multi-voltage multi-battery power management unitBROADCOM CORP·Filed 2005·Granted Apr 12, 2011·26 cites·38 claims
- 0692US7259956B2Scalable integrated circuit high density capacitorsBROADCOM CORP·Filed 2004·Granted Aug 21, 2007·51 cites·6 claims
- 0790US10067618B2Coarse scan and targeted active mode scan for touchAPPLE INC·Filed 2015·Granted Sep 4, 2018·6 cites·25 claims
- 0890US8754746B2Hand-held gaming device that identifies user based upon input from touch sensitive panelLUKAS BOB·Filed 2010·Granted Jun 17, 2014·33 cites·20 claims
- 0990US8749425B1Reference charge cancellation for analog-to-digital convertersBROADCOM CORP·Filed 2012·Granted Jun 10, 2014·15 cites·20 claims
- 1089US10928881B2Low power touch sensing during a sleep state of an electronic deviceAPPLE INC·Filed 2017·Granted Feb 23, 2021·4 cites·36 claims
- 1189US7995679B2Method and system for charge sensing with variable gain, offset compensation, and demodulationBROADCOM CORP·Filed 2005·Granted Aug 9, 2011·17 cites·21 claims
- 1289US7953459B2Low power warning in a portable communication device based on predicted device utilizationBROADCOM CORP·Filed 2009·Granted May 31, 2011·25 cites·30 claims
- 1388US10768746B1Quasi-continuous-time sampling of discrete-time sampled signalsAPPLE INC·Filed 2017·Granted Sep 8, 2020·5 cites·19 claims
- 1488US7548767B2Low power warning in a portable communication device based on predicted device utilizationBROADCOM CORP·Filed 2005·Granted Jun 16, 2009·26 cites·30 claims
- 1587US11159054B2Wireless power transmitting devicesAPPLE INC·Filed 2019·Granted Oct 26, 2021·5 cites·22 claims
- 1687US8286013B2Portable communication device with multi-tiered power save operationCHEN CHUN-YING·Filed 2005·Granted Oct 9, 2012·15 cites·44 claims
- 1787US7656643B2Scalable integrated circuit high density capacitorsBROADCOM CORP·Filed 2007·Granted Feb 2, 2010·10 cites·19 claims
- 1886US8766939B2Highly configurable analog preamp with analog to digital converterSOBEL DAVID AMORY·Filed 2012·Granted Jul 1, 2014·16 cites·20 claims
- 1986US7978456B2Scalable integrated circuit high density capacitorsBROADCOM CORP·Filed 2009·Granted Jul 12, 2011·9 cites·15 claims
- 2084US7348838B2Method and system for DC offset cancellation from a modulated signalBROADCOM CORP·Filed 2005·Granted Mar 25, 2008·10 cites·8 claims
- 2184US6833756B2Input buffer amplifier with centroidal layoutBROADCOM CORP·Filed 2003·Granted Dec 21, 2004·26 cites·13 claims
- 2282US9024912B2Baseline recalculation after frequency reconfiguration of a mutual capacitive touch controllerBROADCOM CORP·Filed 2012·Granted May 5, 2015·7 cites·20 claims
- 2382US9001072B2Asymmetric multi-row touch panel scanningSOBEL DAVID A·Filed 2012·Granted Apr 7, 2015·7 cites·20 claims
- 2481US8000083B2Scalable integrated circuit high density capacitorsBROADCOM CORP·Filed 2009·Granted Aug 16, 2011·6 cites·19 claims
- 2580US7049990B2Single loop feed-forward modulator with summing flash quantizer and multi-bit feedbackBROADCOM CORP·Filed 2004·Granted May 23, 2006·24 cites·16 claims
- 2679US6956621B2High impedance digital full line video clampBROADCOM CORP·Filed 2002·Granted Oct 18, 2005·18 cites·26 claims
- 2778US7750500B2Integrated circuit with multiple independent power supply zonesBROADCOM CORP·Filed 2005·Granted Jul 6, 2010·6 cites·37 claims
- 2876US7509507B2Multi-regulator power supply chip with common control busBROADCOM CORP·Filed 2005·Granted Mar 24, 2009·11 cites·57 claims
- 2975US12184111B2Frequency management for wireless power transferAPPLE INC·Filed 2023·Granted Dec 31, 2024·0 cites·16 claims
- 3075US9880664B2Common pixel correction for sensor panelsAPPLE INC·Filed 2015·Granted Jan 30, 2018·2 cites·25 claims
- 3174US8614621B2Remote control for multimedia system having touch sensitive panel for user IDSOBEL DAVID A·Filed 2010·Granted Dec 24, 2013·2 cites·25 claims
- 3273US7477100B2Method and system for single ended to differential ended demodulationBROADCOM CORP·Filed 2005·Granted Jan 13, 2009·6 cites·17 claims
- 3373US6756847B2Operational amplifier with increased common mode input rangeBROADCOM CORP·Filed 2003·Granted Jun 29, 2004·17 cites·24 claims
- 3472US9058078B2High-accuracy touch positioning for touch panelsWEAVER GLEN·Filed 2012·Granted Jun 16, 2015·5 cites·20 claims
- 3571US7707434B2Power control bus for carrying power control information indicating a power supply voltage variabilityBROADCOM CORP·Filed 2005·Granted Apr 27, 2010·4 cites·44 claims
- 3670US11614788B2Low power touch sensing during a sleep state of an electronic deviceAPPLE INC·Filed 2022·Granted Mar 28, 2023·0 cites·18 claims
- 3770US8937606B2Orthogonal multi-row touch panel stimulationSOBEL DAVID A·Filed 2012·Granted Jan 20, 2015·2 cites·20 claims
- 3870US7142056B2Operational amplifier with increased common mode input rangeBROADCOM CORP·Filed 2004·Granted Nov 28, 2006·14 cites·20 claims
- 3970US7098735B2Reference buffer with dynamic current controlBROADCOM CORP·Filed 2004·Granted Aug 29, 2006·11 cites·18 claims
- 4069US8988367B2Systems and methods for providing enhanced touch sensingWALLEY JOHN·Filed 2011·Granted Mar 24, 2015·2 cites·28 claims
- 4169US8845424B2Hand-held gaming device with configurable touch sensitive panel(s)BROADCOM CORP·Filed 2013·Granted Sep 30, 2014·1 cites·20 claims
- 4268US11226668B2Low power touch sensing during a sleep state of an electronic deviceAPPLE INC·Filed 2021·Granted Jan 18, 2022·0 cites·24 claims
- 4368US7119585B2Sample and hold circuit based on an ultra linear switchBROADCOM CORP·Filed 2004·Granted Oct 10, 2006·12 cites·17 claims
- 4467US7288990B2Reference buffer with dynamic current controlBROADCOM CORP·Filed 2005·Granted Oct 30, 2007·4 cites·19 claims
- 4566US6801577B2Low voltage swing pad driver and receiverBROADCOM CORP·Filed 2002·Granted Oct 5, 2004·8 cites·36 claims
- 4664US8250499B2Integrated circuit with on-board power utilization informationCHEN CHUN-YING·Filed 2011·Granted Aug 21, 2012·1 cites·20 claims
- 4764US7926008B2Integrated circuit with on-board power utilization informationBROADCOM CORP·Filed 2005·Granted Apr 12, 2011·2 cites·23 claims
- 4862US11561647B2Pixelated self-capacitance water rejectionAPPLE INC·Filed 2020·Granted Jan 24, 2023·0 cites·19 claims
- 4962US8181045B2Power control busKIM NEIL Y·Filed 2010·Granted May 15, 2012·1 cites·30 claims
- 5061US8072096B2Integrated circuit with multiple independent power supply zonesRANGANATHAN SUMANT·Filed 2010·Granted Dec 6, 2011·1 cites·26 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →