Inventor · disambiguated record
Marshall J. Bell
Also filed as: BELL JR MARSHALL J · BELL MARSHALL J · Bell Marshall
27 granted patents·1 pending application·289 citations·filing 1988–2019
96Inventor score
Files withSYNAPTICS INC15NAT SEMICONDUCTOR CORP10INTELLECTUAL PROPERTY LLC1STANDARD MICROSYST SMC1TEKTRONIX INC1
Top patents by PatentIndex Score
28 records- 0196US7911437B1Stacked amplifier with charge sharingNAT SEMICONDUCTOR CORP·Filed 2006·Granted Mar 22, 2011·27 cites·23 claims
- 0293US6970152B1Stacked amplifier arrangement for graphics displaysNAT SEMICONDUCTOR CORP·Filed 2002·Granted Nov 29, 2005·61 cites·22 claims
- 0389US6806744B1High speed low voltage differential to rail-to-rail single ended converterNAT SEMICONDUCTOR CORP·Filed 2003·Granted Oct 19, 2004·61 cites·20 claims
- 0485US10061415B2Input device receiver with delta-sigma modulatorSYNAPTICS INC·Filed 2016·Granted Aug 28, 2018·6 cites·20 claims
- 0581US8970577B2Reducing display artifacts after non-display update periodsSYNAPTICS INC·Filed 2013·Granted Mar 3, 2015·3 cites·20 claims
- 0676US8928359B2Charge distributionSYNAPTICS INC·Filed 2013·Granted Jan 6, 2015·3 cites·20 claims
- 0776US7355577B1Linear DAC in liquid crystal display column driverNAT SEMICONDUCTOR CORP·Filed 2004·Granted Apr 8, 2008·15 cites·17 claims
- 0875US10768762B2Reduced capacitive baseline shift via mixing period adjustmentsSYNAPTICS INC·Filed 2019·Granted Sep 8, 2020·1 cites·20 claims
- 0972US6762646B1Modified folded cascode amplifierNAT SEMICONDUCTOR CORP·Filed 2002·Granted Jul 13, 2004·18 cites·19 claims
- 1069US7355582B1Switched capacitor cyclic DAC in liquid crystal display column driverNAT SEMICONDUCTOR CORP·Filed 2004·Granted Apr 8, 2008·10 cites·21 claims
- 1169US7068098B1Slew rate enhancement circuitNAT SEMICONDUCTOR CORP·Filed 2002·Granted Jun 27, 2006·16 cites·11 claims
- 1266US6771055B1Bandgap using lateral PNPsNAT SEMICONDUCTOR CORP·Filed 2002·Granted Aug 3, 2004·15 cites·26 claims
- 1365US9974452B2Inductive non-contact resistance measurementSYNAPTICS INC·Filed 2015·Granted May 22, 2018·1 cites·20 claims
- 1465US9541588B2Current-mode coarse-baseline-correctionSYNAPTICS INC·Filed 2013·Granted Jan 10, 2017·1 cites·21 claims
- 1563US8975962B2Slew-enhanced operational transconductance amplifierSYNAPTICS INC·Filed 2013·Granted Mar 10, 2015·2 cites·20 claims
- 1662US7906994B2Fast common mode feedback control for differential driverSTANDARD MICROSYST SMC·Filed 2009·Granted Mar 15, 2011·4 cites·20 claims
- 1761US6359449B1Single coil conductance measuring apparatusINTELLECTUAL PROPERTY LLC·Filed 1999·Granted Mar 19, 2002·23 cites·12 claims
- 1860US9310951B2Charge distributionSYNAPTICS INC·Filed 2014·Granted Apr 12, 2016·1 cites·20 claims
- 1959US10725583B2Input device receiver with delta-sigma modulatorSYNAPTICS INC·Filed 2018·Granted Jul 28, 2020·0 cites·18 claims
- 2058US4885547AGain cell with digital controlTEKTRONIX INC·Filed 1988·Granted Dec 5, 1989·12 cites·14 claims
- 2154US10372276B2Reduced capacitive baseline shift via mixing period adjustmentsSYNAPTICS INC·Filed 2017·Granted Aug 6, 2019·0 cites·17 claims
- 2253US9760194B2Reducing display artifacts after non-display update periodsSYNAPTICS INC·Filed 2015·Granted Sep 12, 2017·0 cites·20 claims
- 2351US9653038B2Ramp digital to analog converterSYNAPTICS INC·Filed 2015·Granted May 16, 2017·0 cites·20 claims
- 2451US9298309B2Source driver touch transmitter in parallel with display driveSYNAPTICS INC·Filed 2014·Granted Mar 29, 2016·0 cites·20 claims
- 2550US7259610B1Static CMOS logic level shift circuit with a low logic input count high switching speed and low power dissipationNAT SEMICONDUCTOR CORP·Filed 2004·Granted Aug 21, 2007·5 cites·27 claims
- 2647US7088163B1Circuit for multiplexing a tapped differential delay line to a single outputNAT SEMICONDUCTOR CORP·Filed 2004·Granted Aug 8, 2006·4 cites·18 claims
- 2743US9859913B2Calibration of ramp digital to analog converterSYNAPTICS INC·Filed 2015·Granted Jan 2, 2018·0 cites·16 claims
- 2834US2018348954A1Capacitive sensing using a phase-shifted mixing signalSYNAPTICS INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →