Inventor
QIAO TIANZHU
US24 patents
Patents
24 patentsUS9830000B2Nov 28, 2017
Active stylus synchronization
MICROSOFT TECHNOLOGY LICENSING LLC6 citations84
US10572063B2Feb 25, 2020
Position, tilt, and twist detection for stylus
MICROSOFT TECHNOLOGY LICENSING LLC3 citations73
US10481705B2Nov 19, 2019
Active stylus synchronization with multiple communication protocols
MICROSOFT TECHNOLOGY LICENSING LLC2 citations73
US10444927B2Oct 15, 2019
Stylus hover and position communication protocol
MICROSOFT TECHNOLOGY LICENSING LLC3 citations73
US10345970B2Jul 9, 2019
Piecewise estimation for display noise compensation
MICROSOFT TECHNOLOGY LICENSING LLC6 citations73
US10082890B2Sep 25, 2018
Electrostatic communication using an active stylus
MICROSOFT TECHNOLOGY LICENSING LLC2 citations73
US10234965B2Mar 19, 2019
Active stylus differential synchronization
MICROSOFT TECHNOLOGY LICENSING LLC4 citations72
US10120512B2Nov 6, 2018
Hover sensor
MICROSOFT TECHNOLOGY LICENSING LLC4 citations72
US9898102B2Feb 20, 2018
Broadcast packet based stylus pairing
MICROSOFT TECHNOLOGY LICENSING LLC2 citations72
US10261622B2Apr 16, 2019
Ground reference floating in a touch-sensitive display
MICROSOFT TECHNOLOGY LICENSING LLC2 citations71
US11182036B2Nov 23, 2021
Position, tilt, and twist detection for stylus
MICROSOFT TECHNOLOGY LICENSING LLC0 citations62
US11009992B2May 18, 2021
Stylus hover and position communication protocol
MICROSOFT TECHNOLOGY LICENSING LLC0 citations62
US10809842B2Oct 20, 2020
Active touch input device pairing negotiation
MICROSOFT TECHNOLOGY LICENSING LLC1 citations62
US10613676B2Apr 7, 2020
Non-uniform code constellations in electrostatic communication
MICROSOFT TECHNOLOGY LICENSING LLC1 citations62
US10585529B2Mar 10, 2020
Selecting correlation reference based on noise estimation
MICROSOFT TECHNOLOGY LICENSING LLC1 citations62
US10261604B2Apr 16, 2019
Active stylus velocity correction
MICROSOFT TECHNOLOGY LICENSING LLC1 citations62
US10394384B2Aug 27, 2019
Multiple correlations in a touch sensor
MICROSOFT TECHNOLOGY LICENSING LLC0 citations52
US10228778B2Mar 12, 2019
Active stylus synchronization
MICROSOFT TECHNOLOGY LICENSING LLC0 citations52
US9927922B2Mar 27, 2018
Multiple correlations in a touch sensor
MICROSOFT TECHNOLOGY LICENSING LLC0 citations52
US9619094B2Apr 11, 2017
Multiple correlations in a touch sensor
MICROSOFT TECHNOLOGY LICENSING LLC0 citations52
US10444873B2Oct 15, 2019
Active stylus synchronization
MICROSOFT TECHNOLOGY LICENSING LLC0 citations41
US10203778B2Feb 12, 2019
Active stylus motion vector
MICROSOFT TECHNOLOGY LICENSING LLC0 citations41
US9922637B2Mar 20, 2018
Microphone noise suppression for computing device
MICROSOFT TECHNOLOGY LICENSING LLC0 citations41
US9720542B2Aug 1, 2017
Active stylus differential synchronization
MICROSOFT TECHNOLOGY LICENSING LLC0 citations41