Inventor
POWELL KARLTON DAVID
US26 patents
⚠️ This page may combine multiple inventors who share the name “POWELL KARLTON DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROSOFT TECHNOLOGY LICENSING LLC
25 patentsUS9720506B2Aug 1, 2017
3D silhouette sensing system
MICROSOFT TECHNOLOGY LICENSING LLC16 citations92
US10223952B2Mar 5, 2019
Curved edge display with controlled distortion
MICROSOFT TECHNOLOGY LICENSING LLC11 citations84
US10185064B2Jan 22, 2019
Curved edge display with controlled luminance
MICROSOFT TECHNOLOGY LICENSING LLC9 citations82
US10049272B2Aug 14, 2018
User authentication using multiple capture techniques
MICROSOFT TECHNOLOGY LICENSING LLC9 citations82
US10409470B2Sep 10, 2019
Touch-display accessory with relayed display plane
MICROSOFT TECHNOLOGY LICENSING LLC5 citations81
US11092491B1Aug 17, 2021
Switchable multi-spectrum optical sensor
MICROSOFT TECHNOLOGY LICENSING LLC3 citations73
US9653044B2May 16, 2017
Interactive display system
MICROSOFT TECHNOLOGY LICENSING LLC3 citations73
US11277544B2Mar 15, 2022
Camera-specific distortion correction
MICROSOFT TECHNOLOGY LICENSING LLC3 citations72
US10359640B2Jul 23, 2019
Floating image display
MICROSOFT TECHNOLOGY LICENSING LLC4 citations72
US9864119B2Jan 9, 2018
Infrared filter with screened ink and an optically clear medium
MICROSOFT TECHNOLOGY LICENSING LLC3 citations72
US12039690B2Jul 16, 2024
Image rotation for stream of input images
MICROSOFT TECHNOLOGY LICENSING LLC3 citations69
US11663704B2May 30, 2023
Distortion correction via modified analytical projection
MICROSOFT TECHNOLOGY LICENSING LLC0 citations62
US10845508B2Nov 24, 2020
Optical stack including embedded diffuse surface
MICROSOFT TECHNOLOGY LICENSING LLC1 citations62
US12094170B2Sep 17, 2024
Methods for calibrating offset of optical center using kinematic mount
MICROSOFT TECHNOLOGY LICENSING LLC0 citations59
US11508090B2Nov 22, 2022
Methods for calibrating offset of optical center using kinematic mount
MICROSOFT TECHNOLOGY LICENSING LLC0 citations59
US10001845B2Jun 19, 2018
3D silhouette sensing system
MICROSOFT TECHNOLOGY LICENSING LLC0 citations52
US12536627B2Jan 27, 2026
Distortion correction via analytical projection
MICROSOFT TECHNOLOGY LICENSING LLC0 citations51
US12430730B2Sep 30, 2025
Correcting distortion from camera pitch angle
MICROSOFT TECHNOLOGY LICENSING LLC0 citations51
US11204152B2Dec 21, 2021
Illumination device having reflector with concave and convex symmetrical surfaces
MICROSOFT TECHNOLOGY LICENSING LLC0 citations51
US10871657B2Dec 22, 2020
Floating image display
MICROSOFT TECHNOLOGY LICENSING LLC0 citations51
US10015378B2Jul 3, 2018
Kinematic mount for split camera
MICROSOFT TECHNOLOGY LICENSING LLC0 citations51
US9638841B2May 2, 2017
Laminated diffuser
MICROSOFT TECHNOLOGY LICENSING LLC0 citations51
US9494726B2Nov 15, 2016
Switchable backlight unit
MICROSOFT TECHNOLOGY LICENSING LLC1 citations51
US10725643B2Jul 28, 2020
Touch-display accessory with relayed display plane
MICROSOFT TECHNOLOGY LICENSING LLC0 citations49
US12204164B2Jan 21, 2025
Camera assembly mounted to a mounting surface of a camera enclosure
MICROSOFT TECHNOLOGY LICENSING LLC0 citations45