Inventor
GRAY MICHAEL SHAWN
US78 patents
Patents
50 patentsUS11543900B2Jan 3, 2023
Communication protocol for touch sensor and e-pen systems
SIGMASENSE LLC8 citations94
US11494006B2Nov 8, 2022
Erasure operable e-pen within touch sensor and e-pen systems
SIGMASENSE LLC10 citations94
US11237653B2Feb 1, 2022
Frequency diverse e-pen for touch sensor and e-pen systems
SIGMASENSE LLC11 citations94
US10852857B2Dec 1, 2020
Frequency diverse e-pen for touch sensor and e-pen systems
SIGMASENSE LLC17 citations94
US11669177B2Jun 6, 2023
Frequency diverse e-pen for touch sensor and e-pen systems
SIGMASENSE LLC6 citations86
US11592915B2Feb 28, 2023
E-pen association within touch sensor and e-pen systems
SIGMASENSE LLC4 citations86
US11592874B1Feb 28, 2023
Touch sensing in a flexible/foldable touch screen display
SIGMASENSE LLC6 citations86
US11556298B1Jan 17, 2023
Generation and communication of user notation data via an interactive display device
SIGMASENSE LLC10 citations86
US11494032B2Nov 8, 2022
Enhanced mutual capacitance touch screen display with compressive touch detection and methods for use therewith
SIGMASENSE LLC10 citations85
US11269455B1Mar 8, 2022
Enhanced mutual capacitance touch screen display with noise compensation and methods for use therewith
SIGMASENSE LLC7 citations85
US11429218B2Aug 30, 2022
Segmented ground plane within an active matrix display with concurrent touch and display operations
SIGMASENSE LLC4 citations84
US11269436B2Mar 8, 2022
Touchscreen display with concurrent touch and display operations
SIGMASENSE LLC4 citations84
US11029769B2Jun 8, 2021
Pen for use with a touch screen
SIGMASENSE LLC8 citations84
US12254154B2Mar 18, 2025
3D data imaging using drive sense circuits
SIGMASENSE LLC1 citations75
US12155954B2Nov 26, 2024
Handheld communication device with drive-sense imaging array and methods for use therewith
SIGMASENSE LLC1 citations73
US12088944B2Sep 10, 2024
Imaging array with drive-sense circuits and methods for use therewith
SIGMASENSE LLC1 citations73
US12050740B2Jul 30, 2024
Passive device with compressible pressure assembly for Z-direction capacitance detection
SIGMASENSE LLC2 citations73
US11947746B2Apr 2, 2024
Communication protocol for touch sensor and e-pen systems
SIGMASENSE LLC2 citations73
US11899499B2Feb 13, 2024
Touch sensing in a device having a flexible/foldable touch screen display
SIGMASENSE LLC2 citations73
US11899867B2Feb 13, 2024
Touch screen display with touchless gestures and methods for use therewith
SIGMASENSE LLC2 citations73
US11861082B2Jan 2, 2024
Erasure operable e-pen within touch sensor and e-pen systems
SIGMASENSE LLC2 citations73
US11822358B2Nov 21, 2023
Drive-sense circuit to determine effects of different electrical characteristics on load
SIGMASENSE LLC2 citations73
US11797139B2Oct 24, 2023
Fingerprint scanning device incorporating drive-sense circuitry
SIGMASENSE LLC3 citations73
US11743620B2Aug 29, 2023
Imaging array with drive-sense circuits and methods for use therewith
SIGMASENSE LLC2 citations73
US11736834B2Aug 22, 2023
Handheld communication device with drive-sense imaging array and methods for use therewith
SIGMASENSE LLC3 citations73
US11693497B2Jul 4, 2023
Signal diverse e-pen for touch sensor and e-pen systems
SIGMASENSE LLC2 citations73
US11644860B2May 9, 2023
Configuring a programmable drive sense unit
SIGMASENSE LLC2 citations73
US11575851B2Feb 7, 2023
Handheld communication device with drive-sense circuit based imaging array and methods for use therewith
SIGMASENSE LLC2 citations73
US11575850B2Feb 7, 2023
Imaging device with drive-sense circuit(s) and methods for use therewith
SIGMASENSE LLC1 citations73
US11216133B2Jan 4, 2022
Device for use with a touch screen
SIGMASENSE LLC3 citations73
US11144160B1Oct 12, 2021
Three-dimensional data reduction method and system
SIGMASENSE LLC3 citations73
US11054920B2Jul 6, 2021
Pen for use with a touch screen
SIGMASENSE LLC3 citations73
US12079429B2Sep 3, 2024
Compensated enhanced capacitance touch screen display and methods for use therewith
SIGMASENSE LLC1 citations72
US11720207B2Aug 8, 2023
Enhanced capacitance touch screen display with noise compensation and methods for use therewith
SIGMASENSE LLC1 citations72
US11397492B2Jul 26, 2022
Enhanced mutual capacitance touch screen display with shape detection and methods for use therewith
SIGMASENSE LLC2 citations72
US11269456B1Mar 8, 2022
Enhanced mutual capacitance touch screen display with water compensation and methods for use therewith
SIGMASENSE LLC5 citations72
US10976837B2Apr 13, 2021
User input passive device for use with an interactive display device
SIGMASENSE LLC1 citations70
US12360641B2Jul 15, 2025
System for detecting and validating multiuser interaction with interface elements via perimeter sensors
SIGMASENSE LLC1 citations64
US12321560B2Jun 3, 2025
Fingerprint imaging device incorporating electrodes and drive-sense circuitry
SIGMASENSE LLC1 citations64
US12446798B2Oct 21, 2025
Personal monitoring system for monitoring body conditions using e-field communications
SIGMASENSE LLC0 citations63
US12360628B2Jul 15, 2025
Activation of different subsets of drive-sense circuits in accordance with different modes of operation of a touch-based device
SIGMASENSE LLC0 citations63
US12298792B2May 13, 2025
Determining the effects of different electrical characteristics of a drive-sense circuit on a load
SIGMASENSE LLC0 citations63
US12242304B2Mar 4, 2025
Device having a flexible/foldable touch screen display with multiple touch areas
SIGMASENSE LLC0 citations63
US12242699B2Mar 4, 2025
Touch sensitive panel supporting capacitively coupled identification code
SIGMASENSE LLC0 citations63
US12225979B2Feb 18, 2025
Variable sampling rate within a foot force detection system
SIGMASENSE LLC0 citations63
US12223149B2Feb 11, 2025
Pen for use with a touch screen
SIGMASENSE LLC0 citations63
US12204713B2Jan 21, 2025
Detection of touchless gestures based on capacitance image data
SIGMASENSE LLC0 citations63
US12204729B2Jan 21, 2025
Display with touchless indications and methods for use therewith
SIGMASENSE LLC0 citations63
US12194344B2Jan 14, 2025
Plurality of layers of pressure sensors within a foot force detection system
SIGMASENSE LLC0 citations63
US12197242B2Jan 14, 2025
Programmable drive sense unit
SIGMASENSE LLC0 citations63
Showing the top 50 of 78 patents by PatentIndex Score.