Inventor · disambiguated record
Karlton D. Powell
Also filed as: POWELL KARLTON · POWELL KARLTON D · POWELL KARLTON DAVID
73 granted patents·10 pending applications·1,728 citations·filing 1998–2023
99Inventor score
Files withMICROSOFT TECHNOLOGY LICENSING LLC40MICROVISION INC17MICROSOFT CORP7POWELL KARLTON5BALL SEMICONDUCTOR INC4
Top patents by PatentIndex Score
83 records- 0199US7959308B2Substrate-guided display with improved image qualityMICROVISION INC·Filed 2010·Granted Jun 14, 2011·121 cites·8 claims
- 0299US7791810B2Scanned beam display having high uniformity and diminished coherent artifactsMICROVISION INC·Filed 2007·Granted Sep 7, 2010·144 cites·13 claims
- 0399US7656585B1Embedded relay lens for head-up displays or the likeMICROVISION INC·Filed 2008·Granted Feb 2, 2010·300 cites·19 claims
- 0499US7589901B2Substrate-guided relays for use with scanned beam light sourcesMICROVISION INC·Filed 2007·Granted Sep 15, 2009·148 cites·31 claims
- 0598US9945988B2Array-based camera lens systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Apr 17, 2018·30 cites·20 claims
- 0698US8384694B2Infrared vision with liquid crystal display deviceMICROSOFT CORP·Filed 2009·Granted Feb 26, 2013·116 cites·20 claims
- 0798US7710655B2Display with image-guiding substrateMICROVISION INC·Filed 2006·Granted May 4, 2010·87 cites·12 claims
- 0898US7589900B1Eyebox shaping through virtual vignettingMICROVISION INC·Filed 2008·Granted Sep 15, 2009·134 cites·36 claims
- 0997US10048532B2Display edge emission compensationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Aug 14, 2018·27 cites·22 claims
- 1097US8749529B2Sensor-in-pixel display system with near infrared filterPOWELL KARLTON D·Filed 2012·Granted Jun 10, 2014·44 cites·20 claims
- 1197US8619062B2Touch-pressure sensing in a display panelPOWELL KARLTON·Filed 2011·Granted Dec 31, 2013·116 cites·20 claims
- 1295US10223952B2Curved edge display with controlled distortionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Mar 5, 2019·11 cites·18 claims
- 1394US10185064B2Curved edge display with controlled luminanceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jan 22, 2019·9 cites·19 claims
- 1494US7905603B2Substrate-guided display having polarization selective input structureMICROVISION INC·Filed 2010·Granted Mar 15, 2011·15 cites·14 claims
- 1594US7839575B2Optical device for use with scanned beam light sourcesMICROVISION INC·Filed 2009·Granted Nov 23, 2010·33 cites·16 claims
- 1693US11092491B1Switchable multi-spectrum optical sensorMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Granted Aug 17, 2021·3 cites·20 claims
- 1793US9958585B2Computer vision depth sensing at video rate using depth from defocusMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted May 1, 2018·12 cites·20 claims
- 1892US8004760B2Rear-projection displayMICROSOFT CORP·Filed 2009·Granted Aug 23, 2011·12 cites·5 claims
- 1992US6425669B1Maskless exposure systemBALL SEMICONDUCTOR INC·Filed 2000·Granted Jul 30, 2002·44 cites·25 claims
- 2091US9535537B2Hover detection in an interactive display deviceLARGE TIMOTHY·Filed 2011·Granted Jan 3, 2017·17 cites·15 claims
- 2189US12039690B2Image rotation for stream of input imagesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted Jul 16, 2024·3 cites·14 claims
- 2289US9864119B2Infrared filter with screened ink and an optically clear mediumMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Jan 9, 2018·3 cites·20 claims
- 2389US9720506B23D silhouette sensing systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Aug 1, 2017·16 cites·20 claims
- 2489US8111336B2Correcting scanned projector distortion by varying the scan amplitudeFREEMAN MARK O·Filed 2009·Granted Feb 7, 2012·13 cites·18 claims
- 2589US7736006B2Substrate-guided display with improved image qualityMICROVISION INC·Filed 2006·Granted Jun 15, 2010·14 cites·20 claims
- 2688US10409470B2Touch-display accessory with relayed display planeMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Sep 10, 2019·5 cites·20 claims
- 2788US10191188B2Array-based imaging relayMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Jan 29, 2019·6 cites·20 claims
- 2888US7715103B2Buried numerical aperture expander having transparent propertiesMICROVISION INC·Filed 2007·Granted May 11, 2010·23 cites·25 claims
- 2988US7460305B2Scanned-beam heads-up display and related systems and methodsMICROVISION INC·Filed 2006·Granted Dec 2, 2008·18 cites·17 claims
- 3087US10049272B2User authentication using multiple capture techniquesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Aug 14, 2018·9 cites·23 claims
- 3186US10359640B2Floating image displayMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jul 23, 2019·4 cites·20 claims
- 3284US11277544B2Camera-specific distortion correctionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Mar 15, 2022·3 cites·20 claims
- 3384US9653044B2Interactive display systemMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted May 16, 2017·3 cites·20 claims
- 3484US9355345B2Transparent tags with encoded dataPOWELL KARLTON D·Filed 2012·Granted May 31, 2016·7 cites·20 claims
- 3583US7580189B2Optical element that includes a microlens array and related methodMICROVISION INC·Filed 2005·Granted Aug 25, 2009·10 cites·7 claims
- 3683US7186004B2Homogenizing optical sheet, method of manufacture, and illumination systemPOWELL KARLTON DAVID·Filed 2003·Granted Mar 6, 2007·55 cites·5 claims
- 3782US9720548B2See-through IR frontlight with embedded partially reflective facetsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Aug 1, 2017·5 cites·19 claims
- 3882US9354748B2Optical stylus interactionLUTIAN JOHN M·Filed 2012·Granted May 31, 2016·10 cites·20 claims
- 3980US8218237B2Rear-projection displayLIU ZHIQIANG·Filed 2011·Granted Jul 10, 2012·3 cites·14 claims
- 4078US9116390B2Touch sensing liquid crystal display compatible with linearly polarized sunglassesPOWELL KARLTON·Filed 2012·Granted Aug 25, 2015·5 cites·22 claims
- 4177US7495833B2Scanned beam source and systems using a scanned beam source for producing a wavelength-compensated composite beam of lightMICROVISION INC·Filed 2007·Granted Feb 24, 2009·8 cites·31 claims
- 4274US9436980B2Reducing ghosting and other image artifacts in a wedge-based imaging systemMICROSOFT CORP·Filed 2012·Granted Sep 6, 2016·2 cites·25 claims
- 4373US5949557ATotal internal reflection holography method and apparatus for lithography on 3-D spherical shaped integrated circuitBALL SEMICONDUCTOR INC·Filed 1998·Granted Sep 7, 1999·45 cites·50 claims
- 4470US7826141B2Scanned-beam heads-up display and related systems and methodsMICROVISION INC·Filed 2008·Granted Nov 2, 2010·4 cites·2 claims
- 4568US9612687B2Auto-aligned illumination for interactive sensing in retro-reflective imaging applicationsMICROSOFT CORP·Filed 2014·Granted Apr 4, 2017·1 cites·17 claims
- 4667US9798154B2Control of polarization and diffractive artifact resolution in retro-imaging systemsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Oct 24, 2017·2 cites·13 claims
- 4766US9316778B2Hybrid concentrator for a backlightMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2013·Granted Apr 19, 2016·1 cites·20 claims
- 4866US8730212B2Illuminator for touch- and object-sensitive displayPOWELL KARLTON·Filed 2009·Granted May 20, 2014·3 cites·19 claims
- 4965US10845508B2Optical stack including embedded diffuse surfaceMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Nov 24, 2020·1 cites·17 claims
- 5064US12094170B2Methods for calibrating offset of optical center using kinematic mountMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Sep 17, 2024·0 cites·20 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →