Inventor

Tianzhu Qiao

Inventor

Portland, OR, US

Overview

23→

Patents

2017–2021

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing79%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

G10KSound-producing devices4%

G10LSpeech analysis techniques or speech synthesis4%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers4%

H04WWireless communication networks4%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%

PatentTitleYear

11,009,992Stylus hover and position communication protocol2021 10,809,842Active touch input device pairing negotiation2020 10,613,676Non-uniform code constellations in electrostatic communication2020 10,585,529Selecting correlation reference based on noise estimation2020 10,572,063Position, tilt, and twist detection for stylus2020 10,481,705Active stylus synchronization with multiple communication protocols2019 10,444,927Stylus hover and position communication protocol2019 10,444,873Active stylus synchronization2019 10,394,384Multiple correlations in a touch sensor2019 10,345,970Piecewise estimation for display noise compensation2019 10,261,622Ground reference floating in a touch-sensitive display2019 10,261,604Active stylus velocity correction2019 10,234,965Active stylus differential synchronization2019 10,228,778Active stylus synchronization2019 10,203,778Active stylus motion vector2019 10,120,512Hover sensor2018 10,082,890Electrostatic communication using an active stylus2018 9,927,922'Multiple correlations in a touch sensor'2018 9,922,637'Microphone noise suppression for computing device'2018 9,898,102'Broadcast packet based stylus pairing'2018 9,830,000Active stylus synchronization2017 9,720,542'Active stylus differential synchronization'2017 9,619,094'Multiple correlations in a touch sensor'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (23)· patent assignee history

2017–2021Based in Portland, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MICROSOFT TECHNOLOGY LICENSING LLC	23	2017–2021

Locations

Location	Patents	Span
Portland, OR, US	23	2017–2021