Inventor · disambiguated record
Changting Xu
Also filed as: XU CHANGTING
7 granted patents·2 pending applications·4 citations·filing 2019–2024
72Inventor score
Files withQUALCOMM INC9
Top patents by PatentIndex Score
9 records- 0177US12450940B1Image enhancement for fingerprint sensor deployed in a flexible deviceQUALCOMM INC·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 0275US11335114B2Ultrasonic protective film detection and ultrasonic sensor calibrationQUALCOMM INC·Filed 2020·Granted May 17, 2022·1 cites·28 claims
- 0373US10956709B1Anti-spoofing devices and methods involving acoustic shear wavesQUALCOMM INC·Filed 2019·Granted Mar 23, 2021·2 cites·30 claims
- 0463US11062010B2Liveness sensing and authentication with an ultrasonic sensor systemQUALCOMM INC·Filed 2019·Granted Jul 13, 2021·1 cites·23 claims
- 0558US11182026B2Temperature and ultrasonic sensor fusion for biometric sensingQUALCOMM INC·Filed 2020·Granted Nov 23, 2021·0 cites·18 claims
- 0654US2025268477A1Determining a physiological parameter using optical signalsQUALCOMM INC·Filed 2024·Application pending·0 cites
- 0752US11716566B2Segmented transducers for acoustic applicationsQUALCOMM INC·Filed 2021·Granted Aug 1, 2023·0 cites·36 claims
- 0846US10831290B2Stylus-tracking piezoelectric sensorQUALCOMM INC·Filed 2019·Granted Nov 10, 2020·0 cites·27 claims
- 0942US2021150239A1Anti-spoofing detection using single element transceiverQUALCOMM INC·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →