Inventor
DJORDJEV KOSTADIN DIMITROV
US50 patents
⚠️ This page may combine multiple inventors who share the name “DJORDJEV KOSTADIN DIMITROV”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
48 patentsUS9323393B2Apr 26, 2016
Display with peripherally configured ultrasonic biometric sensor
QUALCOMM INC70 citations97
US9945818B2Apr 17, 2018
Ultrasonic authenticating button
QUALCOMM INC81 citations95
US9817108B2Nov 14, 2017
Ultrasonic imaging with acoustic resonant cavity
QUALCOMM INC70 citations94
US10001552B2Jun 19, 2018
Three-port piezoelectric ultrasonic transducer
QUALCOMM INC7 citations84
US10497748B2Dec 3, 2019
Integrated piezoelectric micromechanical ultrasonic transducer pixel and array
QUALCOMM INC9 citations83
US10067229B2Sep 4, 2018
Receive-side beam forming for an ultrasonic image sensor
QUALCOMM INC7 citations83
US9990089B2Jun 5, 2018
Sensor array with receiver bias electrode
QUALCOMM INC15 citations83
US11087109B1Aug 10, 2021
Apparatus and method for ultrasonic fingerprint and force sensing
QUALCOMM INC9 citations80
US11436857B1Sep 6, 2022
Ultrasonic sensor system with higher-frequency and lower-frequency areas
QUALCOMM INC6 citations75
US10891458B2Jan 12, 2021
Module architecture for large area ultrasonic fingerprint sensor
QUALCOMM INC2 citations73
US10127425B2Nov 13, 2018
Dual-mode capacitive and ultrasonic fingerprint and touch sensor
QUALCOMM INC2 citations73
US9946914B1Apr 17, 2018
Liveness detection via ultrasonic ridge-valley tomography
QUALCOMM INC6 citations73
US11003884B2May 11, 2021
Fingerprint sensor device and methods thereof
QUALCOMM INC5 citations72
US10254901B2Apr 9, 2019
Method and integrated circuit to generate a signal to operate a sensor array
QUALCOMM INC5 citations72
US11798307B2Oct 24, 2023
Under-display ultrasonic fingerprint sensors for foldable displays
QUALCOMM INC1 citations71
US11126814B2Sep 21, 2021
Ultrasonic fingerprint sensor with flexible substrate
QUALCOMM INC3 citations71
US10956709B1Mar 23, 2021
Anti-spoofing devices and methods involving acoustic shear waves
QUALCOMM INC2 citations71
US10929636B2Feb 23, 2021
Ultrasonic fingerprint sensor with electrically nonconductive acoustic layer
QUALCOMM INC3 citations71
US10503948B2Dec 10, 2019
Multi-spectral ultrasonic imaging
QUALCOMM INC5 citations71
US11394819B2Jul 19, 2022
Control of a user device under wet conditions
QUALCOMM INC2 citations70
US9524415B2Dec 20, 2016
Test techniques for assessing ultrasonic fingerprint sensors
QUALCOMM INC4 citations68
US12284481B2Apr 22, 2025
Audio speaker and proximity sensor with piezoelectric polymer technology
QUALCOMM INC1 citations64
US11703578B2Jul 18, 2023
Ultrasonic sensor array control to facilitate screen protectors
QUALCOMM INC1 citations62
US11430249B2Aug 30, 2022
Passive acoustic fingerprint sensor
QUALCOMM INC0 citations62
US11393239B2Jul 19, 2022
Multiple-frequency ultrasonic sensor system
QUALCOMM INC0 citations62
US11346927B2May 31, 2022
Ultrasonic sensor array control to facilitate screen protectors
QUALCOMM INC0 citations62
US10943084B2Mar 9, 2021
Multifunctional, multimodal, under-display sensor
QUALCOMM INC0 citations62
US12333846B2Jun 17, 2025
Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methods
QUALCOMM INC0 citations61
US11823483B2Nov 21, 2023
Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methods
QUALCOMM INC0 citations61
US11798308B2Oct 24, 2023
Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methods
QUALCOMM INC1 citations61
US11062010B2Jul 13, 2021
Liveness sensing and authentication with an ultrasonic sensor system
QUALCOMM INC1 citations61
US12327426B2Jun 10, 2025
Ultrasonic fingerprint sensor for under-display applications
QUALCOMM INC0 citations60
US12217530B2Feb 4, 2025
Under-display ultrasonic fingerprint sensors for foldable displays
QUALCOMM INC0 citations60
US12169977B2Dec 17, 2024
Under-display ultrasonic fingerprint sensors for foldable displays
QUALCOMM INC0 citations60
US11695865B2Jul 4, 2023
Control of a user device under wet conditions
QUALCOMM INC0 citations60
US11335114B2May 17, 2022
Ultrasonic protective film detection and ultrasonic sensor calibration
QUALCOMM INC1 citations59
US11716566B2Aug 1, 2023
Segmented transducers for acoustic applications
QUALCOMM INC0 citations57
US10699095B2Jun 30, 2020
Dual-mode capacitive and ultrasonic fingerprint and touch sensor
QUALCOMM INC0 citations52
US12183113B2Dec 31, 2024
Configuration of an ultrasonic fingerprint sensor relative to a display of a device
QUALCOMM INC0 citations51
US11087107B2Aug 10, 2021
Ultrasonic sensor with bi-poled or uni-poled transmitter/receiver
QUALCOMM INC0 citations51
US10274590B2Apr 30, 2019
Ultrasonic imaging with acoustic resonant cavity
QUALCOMM INC0 citations49
US12488613B2Dec 2, 2025
Ultrasonic fingerprint sensor with passive and active common mode cancellation
QUALCOMM INC0 citations48
US12553864B2Feb 17, 2026
Photoacoustic devices and systems including one or more light guide components
QUALCOMM INC0 citations47
US12569143B2Mar 10, 2026
Motion-based feedback for a photoacoustic sensor
QUALCOMM INC0 citations46
US12416996B2Sep 16, 2025
Devices including one or more high-impedance layers between a display stack and an ultrasonic fingerprint sensor stack
QUALCOMM INC0 citations46
US12471782B2Nov 18, 2025
Compact photoacoustic sensor
QUALCOMM INC0 citations45
US12414698B2Sep 16, 2025
Devices and systems for controlling pressure during sensing
QUALCOMM INC0 citations45
US10831290B2Nov 10, 2020
Stylus-tracking piezoelectric sensor
QUALCOMM INC0 citations40