Inventor · disambiguated record
Patrick Troy Gray
Also filed as: GRAY PATRICK · GRAY PATRICK T · GRAY PATRICK TROY
209 granted patents·40 pending applications·496 citations·filing 2005–2025
99Inventor score
Top patents by PatentIndex Score
249 records- 0199US11726652B2Identification in touch systemsSIGMASENSE LLC·Filed 2022·Granted Aug 15, 2023·6 cites·20 claims
- 0299US11669177B2Frequency diverse e-pen for touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2021·Granted Jun 6, 2023·6 cites·20 claims
- 0399US11567465B2Motor control feedback and adaptationSIGMASENSE LLC·Filed 2021·Granted Jan 31, 2023·4 cites·20 claims
- 0499US11556298B1Generation and communication of user notation data via an interactive display deviceSIGMASENSE LLC·Filed 2021·Granted Jan 17, 2023·10 cites·20 claims
- 0599US11543900B2Communication protocol for touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2021·Granted Jan 3, 2023·8 cites·20 claims
- 0699US11494006B2Erasure operable e-pen within touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2021·Granted Nov 8, 2022·10 cites·20 claims
- 0799US11474685B2Redundant touch system operationSIGMASENSE LLC·Filed 2021·Granted Oct 18, 2022·11 cites·20 claims
- 0899US11402990B2User-interactive steering wheelSIGMASENSE LLC·Filed 2021·Granted Aug 2, 2022·6 cites·20 claims
- 0999US11237653B2Frequency diverse e-pen for touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2020·Granted Feb 1, 2022·11 cites·20 claims
- 1099US11079888B1Sensitivity region of interest processing (ROIP) for input/output (I/O) operative touch sensor device (TSD)SIGMASENSE LLC·Filed 2020·Granted Aug 3, 2021·9 cites·20 claims
- 1199US10671034B1Motor drive input adaptation with in-line drive-sense circuitSIGMASENSE LLC·Filed 2019·Granted Jun 2, 2020·19 cites·20 claims
- 1299US10554215B1Analog to digital conversion circuit with very narrow bandpass digital filteringSIGMASENSE LLC·Filed 2019·Granted Feb 4, 2020·19 cites·18 claims
- 1398US11906564B2Analog and digital frequency domain data sensing circuitSIGMASENSE LLC·Filed 2022·Granted Feb 20, 2024·2 cites·19 claims
- 1498US11762548B2User-interactive glass featureSIGMASENSE LLC·Filed 2022·Granted Sep 19, 2023·4 cites·20 claims
- 1598US11740781B2Single user or few users identification and blocking operable touch sensor deviceSIGMASENSE LLC·Filed 2022·Granted Aug 29, 2023·3 cites·20 claims
- 1698US11714541B2Location and/or angle of approach user identification capable touch sensor deviceSIGMASENSE LLC·Filed 2022·Granted Aug 1, 2023·4 cites·20 claims
- 1798US11592874B1Touch sensing in a flexible/foldable touch screen displaySIGMASENSE LLC·Filed 2021·Granted Feb 28, 2023·6 cites·20 claims
- 1898US11592915B2E-pen association within touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2022·Granted Feb 28, 2023·4 cites·20 claims
- 1998US11567135B2Embedded monitoring electrodes for battery health monitoringSIGMASENSE LLC·Filed 2022·Granted Jan 31, 2023·2 cites·20 claims
- 2098US11494032B2Enhanced mutual capacitance touch screen display with compressive touch detection and methods for use therewithSIGMASENSE LLC·Filed 2022·Granted Nov 8, 2022·10 cites·20 claims
- 2198US11460999B2Redundant touch systemSIGMASENSE LLC·Filed 2021·Granted Oct 4, 2022·4 cites·20 claims
- 2298US11269510B2Identification in touch systemsSIGMASENSE LLC·Filed 2020·Granted Mar 8, 2022·5 cites·20 claims
- 2398US10852857B2Frequency diverse e-pen for touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2018·Granted Dec 1, 2020·17 cites·20 claims
- 2498US10845985B2Identification in touch systemsSIGMASENSE LLC·Filed 2018·Granted Nov 24, 2020·18 cites·20 claims
- 2598US10120498B2Multi-touch sensor and electrostatic pen digitizing system utilizing simultaneous functions for improved performanceSIGMASENSE LLC·Filed 2016·Granted Nov 6, 2018·32 cites·21 claims
- 2697US11947746B2Communication protocol for touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2022·Granted Apr 2, 2024·2 cites·20 claims
- 2797US11861082B2Erasure operable e-pen within touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2022·Granted Jan 2, 2024·2 cites·20 claims
- 2897US11740067B2Capacitive imaging gloveSIGMASENSE LLC·Filed 2022·Granted Aug 29, 2023·2 cites·20 claims
- 2997US11592978B2Integrated touchscreen and external controllerSIGMASENSE LLC·Filed 2022·Granted Feb 28, 2023·2 cites·20 claims
- 3097US11340995B2Integrated circuit with programmable input/output moduleSIGMASENSE LLC·Filed 2020·Granted May 24, 2022·6 cites·26 claims
- 3197US11221709B2Electronic writing apparatus with ring-back and other functionalitiesSIGMASENSE LLC·Filed 2020·Granted Jan 11, 2022·6 cites·12 claims
- 3297US11126297B2Electronic pen with ring-back and other functionalitiesSIGMASENSE LLC·Filed 2020·Granted Sep 21, 2021·5 cites·16 claims
- 3397US11061082B2Single line hall effect sensor drive and senseSIGMASENSE LLC·Filed 2019·Granted Jul 13, 2021·6 cites·20 claims
- 3497US10917101B2Analog to digital conversion circuit with very narrow bandpass digital filteringSIGMASENSE LLC·Filed 2020·Granted Feb 9, 2021·4 cites·14 claims
- 3597US10296108B2Pen system with internal pressure tilt rotationSIGMASENSE LLC·Filed 2016·Granted May 21, 2019·23 cites·20 claims
- 3697US7714846B1Digital signal processed touchscreen systemWACOM CO LTD·Filed 2005·Granted May 11, 2010·73 cites·12 claims
- 3796US12277312B2Single user or few users identification and blocking operable touch sensor deviceSIGMASENSE LLC·Filed 2023·Granted Apr 15, 2025·1 cites·20 claims
- 3896US11797139B2Fingerprint scanning device incorporating drive-sense circuitrySIGMASENSE LLC·Filed 2021·Granted Oct 24, 2023·3 cites·20 claims
- 3996US11693497B2Signal diverse e-pen for touch sensor and e-pen systemsSIGMASENSE LLC·Filed 2022·Granted Jul 4, 2023·2 cites·20 claims
- 4096US11662847B2Touch screen sensor controller with drive sense circuitsSIGMASENSE LLC·Filed 2021·Granted May 30, 2023·3 cites·22 claims
- 4196US11586309B2Large touch screen display with integrated electrodesSIGMASENSE LLC·Filed 2021·Granted Feb 21, 2023·3 cites·19 claims
- 4296US11481059B2Control circuit for large touch screenSIGMASENSE LLC·Filed 2021·Granted Oct 25, 2022·3 cites·18 claims
- 4396US11429226B2Analog-digital drive sense circuitSIGMASENSE LLC·Filed 2021·Granted Aug 30, 2022·3 cites·18 claims
- 4496US11099032B2Drive sense circuit with drive-sense lineSIGMASENSE LLC·Filed 2018·Granted Aug 24, 2021·7 cites·22 claims
- 4595US11899499B2Touch sensing in a device having a flexible/foldable touch screen displaySIGMASENSE LLC·Filed 2023·Granted Feb 13, 2024·2 cites·20 claims
- 4695US11822358B2Drive-sense circuit to determine effects of different electrical characteristics on loadSIGMASENSE LLC·Filed 2021·Granted Nov 21, 2023·2 cites·20 claims
- 4795US11747839B2System management of cascaded drive-sense circuit and load networkSIGMASENSE LLC·Filed 2021·Granted Sep 5, 2023·2 cites·20 claims
- 4895US11644860B2Configuring a programmable drive sense unitSIGMASENSE LLC·Filed 2022·Granted May 9, 2023·2 cites·20 claims
- 4995US11561646B2Analog drive sense circuitSIGMASENSE LLC·Filed 2022·Granted Jan 24, 2023·2 cites·20 claims
- 5095US11550426B2Sensor monitoring systemSIGMASENSE LLC·Filed 2021·Granted Jan 10, 2023·3 cites·19 claims
Showing the top 50 of 249 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →