Inventor
RANGANATHAN SUMANT
US68 patents
⚠️ This page may combine multiple inventors who share the name “RANGANATHAN SUMANT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROADCOM CORP
29 patentsUS7259956B2Aug 21, 2007
Scalable integrated circuit high density capacitors
BROADCOM CORP51 citations95
US7953459B2May 31, 2011
Low power warning in a portable communication device based on predicted device utilization
BROADCOM CORP25 citations93
US7925906B2Apr 12, 2011
Multi-voltage multi-battery power management unit
BROADCOM CORP26 citations93
US7548767B2Jun 16, 2009
Low power warning in a portable communication device based on predicted device utilization
BROADCOM CORP26 citations93
US7049990B2May 23, 2006
Single loop feed-forward modulator with summing flash quantizer and multi-bit feedback
BROADCOM CORP24 citations93
US6833756B2Dec 21, 2004
Input buffer amplifier with centroidal layout
BROADCOM CORP26 citations93
US6756847B2Jun 29, 2004
Operational amplifier with increased common mode input range
BROADCOM CORP17 citations89
US7995679B2Aug 9, 2011
Method and system for charge sensing with variable gain, offset compensation, and demodulation
BROADCOM CORP17 citations84
US7509507B2Mar 24, 2009
Multi-regulator power supply chip with common control bus
BROADCOM CORP11 citations84
US7348838B2Mar 25, 2008
Method and system for DC offset cancellation from a modulated signal
BROADCOM CORP10 citations84
US7119585B2Oct 10, 2006
Sample and hold circuit based on an ultra linear switch
BROADCOM CORP12 citations84
US7098735B2Aug 29, 2006
Reference buffer with dynamic current control
BROADCOM CORP11 citations84
US6956621B2Oct 18, 2005
High impedance digital full line video clamp
BROADCOM CORP18 citations84
US8749425B1Jun 10, 2014
Reference charge cancellation for analog-to-digital converters
BROADCOM CORP15 citations83
US7978456B2Jul 12, 2011
Scalable integrated circuit high density capacitors
BROADCOM CORP9 citations83
US7656643B2Feb 2, 2010
Scalable integrated circuit high density capacitors
BROADCOM CORP10 citations83
US9024912B2May 5, 2015
Baseline recalculation after frequency reconfiguration of a mutual capacitive touch controller
BROADCOM CORP7 citations82
US7142056B2Nov 28, 2006
Operational amplifier with increased common mode input range
BROADCOM CORP14 citations80
US7750500B2Jul 6, 2010
Integrated circuit with multiple independent power supply zones
BROADCOM CORP6 citations74
US6801577B2Oct 5, 2004
Low voltage swing pad driver and receiver
BROADCOM CORP8 citations74
US8000083B2Aug 16, 2011
Scalable integrated circuit high density capacitors
BROADCOM CORP6 citations73
US8845424B2Sep 30, 2014
Hand-held gaming device with configurable touch sensitive panel(s)
BROADCOM CORP1 citations63
US7926008B2Apr 12, 2011
Integrated circuit with on-board power utilization information
BROADCOM CORP2 citations63
US7707434B2Apr 27, 2010
Power control bus for carrying power control information indicating a power supply voltage variability
BROADCOM CORP4 citations63
US7477100B2Jan 13, 2009
Method and system for single ended to differential ended demodulation
BROADCOM CORP6 citations63
US7288990B2Oct 30, 2007
Reference buffer with dynamic current control
BROADCOM CORP4 citations63
US7142036B2Nov 28, 2006
Amplifier compensation techniques for switched capacitor circuits
BROADCOM CORP2 citations63
US6943622B2Sep 13, 2005
Input buffer amplifier with centroidal layout
BROADCOM CORP2 citations63
US8018361B2Sep 13, 2011
Area-efficient analog-to-digital converter
BROADCOM CORP3 citations62
APPLE INC
11 patentsUS10712867B2Jul 14, 2020
Pixelated self-capacitance water rejection
APPLE INC10 citations84
US10067618B2Sep 4, 2018
Coarse scan and targeted active mode scan for touch
APPLE INC6 citations84
US11677255B1Jun 13, 2023
Frequency management for wireless power transfer
APPLE INC2 citations73
US10768746B1Sep 8, 2020
Quasi-continuous-time sampling of discrete-time sampled signals
APPLE INC5 citations73
US11159054B2Oct 26, 2021
Wireless power transmitting devices
APPLE INC5 citations72
US10928881B2Feb 23, 2021
Low power touch sensing during a sleep state of an electronic device
APPLE INC4 citations72
US9880664B2Jan 30, 2018
Common pixel correction for sensor panels
APPLE INC2 citations72
US12184111B2Dec 31, 2024
Frequency management for wireless power transfer
APPLE INC0 citations62
US11614788B2Mar 28, 2023
Low power touch sensing during a sleep state of an electronic device
APPLE INC0 citations62
US11561647B2Jan 24, 2023
Pixelated self-capacitance water rejection
APPLE INC0 citations62
US11226668B2Jan 18, 2022
Low power touch sensing during a sleep state of an electronic device
APPLE INC0 citations62
SOBEL DAVID A
4 patentsUS8449393B2May 28, 2013
Hand-held gaming device with configurable touch sensitive panel(s)
SOBEL DAVID A41 citations97
US9001072B2Apr 7, 2015
Asymmetric multi-row touch panel scanning
SOBEL DAVID A7 citations81
US8937606B2Jan 20, 2015
Orthogonal multi-row touch panel stimulation
SOBEL DAVID A2 citations62
US8614621B2Dec 24, 2013
Remote control for multimedia system having touch sensitive panel for user ID
SOBEL DAVID A2 citations62
LORENZ ROBERT
1 patentLUKAS BOB
1 patentCHEN CHUN-YING
1 patentSOBEL DAVID AMORY
1 patentWEAVER GLEN
1 patentINTEL CORP
1 patentShowing the top 50 of 68 patents by PatentIndex Score.