Inventor · disambiguated record
Kostadin Dimitrov Djordjev
Also filed as: DJORDJEV KOSTADIN · DJORDJEV KOSTADIN D · DJORDJEV KOSTADIN DIMITROV
63 granted patents·38 pending applications·502 citations·filing 2003–2025
98Inventor score
Files withQUALCOMM INC74QUALCOMM MEMS TECHNOLOGIES INC6DJORDJEV KOSTADIN D4AGILENT TECHNOLOGIES INC3DJORDJEV KOSTADIN3
Top patents by PatentIndex Score
101 records- 0198US7612933B2Microelectromechanical device with spacing layerQUALCOMM MEMS TECHNOLOGIES INC·Filed 2008·Granted Nov 3, 2009·45 cites·29 claims
- 0297US11436857B1Ultrasonic sensor system with higher-frequency and lower-frequency areasQUALCOMM INC·Filed 2021·Granted Sep 6, 2022·6 cites·34 claims
- 0396US9945818B2Ultrasonic authenticating buttonQUALCOMM INC·Filed 2015·Granted Apr 17, 2018·81 cites·18 claims
- 0496US9323393B2Display with peripherally configured ultrasonic biometric sensorQUALCOMM INC·Filed 2013·Granted Apr 26, 2016·70 cites·24 claims
- 0594US10001552B2Three-port piezoelectric ultrasonic transducerQUALCOMM INC·Filed 2015·Granted Jun 19, 2018·7 cites·40 claims
- 0694US9817108B2Ultrasonic imaging with acoustic resonant cavityQUALCOMM INC·Filed 2015·Granted Nov 14, 2017·70 cites·30 claims
- 0794US8204703B2Measurement and apparatus for electrical measurement of electrical drive parameters for a MEMS based displayGOVIL ALOK·Filed 2009·Granted Jun 19, 2012·15 cites·168 claims
- 0891US11087109B1Apparatus and method for ultrasonic fingerprint and force sensingQUALCOMM INC·Filed 2020·Granted Aug 10, 2021·9 cites·36 claims
- 0991US11003884B2Fingerprint sensor device and methods thereofQUALCOMM INC·Filed 2017·Granted May 11, 2021·5 cites·39 claims
- 1091US10036734B2Ultrasonic sensor with bonded piezoelectric layerSNAPTRACK INC·Filed 2014·Granted Jul 31, 2018·21 cites·19 claims
- 1190US10497748B2Integrated piezoelectric micromechanical ultrasonic transducer pixel and arrayQUALCOMM INC·Filed 2016·Granted Dec 3, 2019·9 cites·30 claims
- 1290US9990089B2Sensor array with receiver bias electrodeQUALCOMM INC·Filed 2014·Granted Jun 5, 2018·15 cites·28 claims
- 1389US9551783B2Display with backside ultrasonic sensor arrayQUALCOMM INC·Filed 2014·Granted Jan 24, 2017·14 cites·54 claims
- 1488US11703578B2Ultrasonic sensor array control to facilitate screen protectorsQUALCOMM INC·Filed 2022·Granted Jul 18, 2023·1 cites·20 claims
- 1588US9946914B1Liveness detection via ultrasonic ridge-valley tomographyQUALCOMM INC·Filed 2016·Granted Apr 17, 2018·6 cites·20 claims
- 1688US7388704B2Determination of interferometric modulator mirror curvature and airgap variation using digital photographsQUALCOMM MEMS TECHNOLOGIES INC·Filed 2006·Granted Jun 17, 2008·16 cites·33 claims
- 1786US12284481B2Audio speaker and proximity sensor with piezoelectric polymer technologyQUALCOMM INC·Filed 2021·Granted Apr 22, 2025·1 cites·13 claims
- 1886US10067229B2Receive-side beam forming for an ultrasonic image sensorQUALCOMM INC·Filed 2015·Granted Sep 4, 2018·7 cites·30 claims
- 1985US11798307B2Under-display ultrasonic fingerprint sensors for foldable displaysQUALCOMM INC·Filed 2021·Granted Oct 24, 2023·1 cites·31 claims
- 2085US8068269B2Microelectromechanical device with spacing layerDJORDJEV KOSTADIN·Filed 2009·Granted Nov 29, 2011·6 cites·42 claims
- 2185US2025037498A1Ultrasonic fingerprint sensor for under-display applicationsQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2284US6920253B2Optical modulator based on a microdisk resonatorAGILENT TECHNOLOGIES INC·Filed 2003·Granted Jul 19, 2005·29 cites·8 claims
- 2383US11798308B2Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methodsQUALCOMM INC·Filed 2021·Granted Oct 24, 2023·1 cites·24 claims
- 2483US8355883B2Measurement and apparatus for electrical measurement of electrical drive parameters for a MEMS based displayQUALCOMM MEMS TECHNOLOGIES INC·Filed 2012·Granted Jan 15, 2013·3 cites·20 claims
- 2583US7072531B2Gain-assisted electroabsorption modulatorsAGILENT TECHNOLOGIES INC·Filed 2004·Granted Jul 4, 2006·24 cites·14 claims
- 2682US11394819B2Control of a user device under wet conditionsQUALCOMM INC·Filed 2020·Granted Jul 19, 2022·2 cites·30 claims
- 2781US10503948B2Multi-spectral ultrasonic imagingQUALCOMM INC·Filed 2015·Granted Dec 10, 2019·5 cites·13 claims
- 2880US12327426B2Ultrasonic fingerprint sensor for under-display applicationsQUALCOMM INC·Filed 2023·Granted Jun 10, 2025·0 cites·13 claims
- 2979US12333846B2Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methodsQUALCOMM INC·Filed 2023·Granted Jun 17, 2025·0 cites·20 claims
- 3079US12169977B2Under-display ultrasonic fingerprint sensors for foldable displaysQUALCOMM INC·Filed 2023·Granted Dec 17, 2024·0 cites·28 claims
- 3179US2025104462A1Configuration of an ultrasonic fingerprint sensor relative to a display of a deviceQUALCOMM INC·Filed 2024·Application pending·0 cites
- 3279US2025265865A1Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methodsQUALCOMM INC·Filed 2025·Application pending·0 cites
- 3378US9524415B2Test techniques for assessing ultrasonic fingerprint sensorsQUALCOMM INC·Filed 2014·Granted Dec 20, 2016·4 cites·28 claims
- 3478US2025231296A1Ultrasonic fingerprint sensor for under-display applicationsQUALCOMM INC·Filed 2025·Application pending·0 cites
- 3577US12217530B2Under-display ultrasonic fingerprint sensors for foldable displaysQUALCOMM INC·Filed 2023·Granted Feb 4, 2025·0 cites·30 claims
- 3677US11126814B2Ultrasonic fingerprint sensor with flexible substrateQUALCOMM INC·Filed 2019·Granted Sep 21, 2021·3 cites·13 claims
- 3777US10127425B2Dual-mode capacitive and ultrasonic fingerprint and touch sensorQUALCOMM INC·Filed 2017·Granted Nov 13, 2018·2 cites·18 claims
- 3876US12488613B2Ultrasonic fingerprint sensor with passive and active common mode cancellationQUALCOMM INC·Filed 2024·Granted Dec 2, 2025·0 cites·20 claims
- 3976US10929636B2Ultrasonic fingerprint sensor with electrically nonconductive acoustic layerQUALCOMM INC·Filed 2019·Granted Feb 23, 2021·3 cites·12 claims
- 4076US10254901B2Method and integrated circuit to generate a signal to operate a sensor arrayQUALCOMM INC·Filed 2014·Granted Apr 9, 2019·5 cites·16 claims
- 4176US2024249549A1Configuration of an ultrasonic fingerprint sensor relative to a display of a deviceQUALCOMM INC·Filed 2024·Application pending·0 cites
- 4275US11335114B2Ultrasonic protective film detection and ultrasonic sensor calibrationQUALCOMM INC·Filed 2020·Granted May 17, 2022·1 cites·28 claims
- 4374US2025174037A1Under-display ultrasonic fingerprint sensors for foldable displaysQUALCOMM INC·Filed 2025·Application pending·0 cites
- 4473US10956709B1Anti-spoofing devices and methods involving acoustic shear wavesQUALCOMM INC·Filed 2019·Granted Mar 23, 2021·2 cites·30 claims
- 4573US10891458B2Module architecture for large area ultrasonic fingerprint sensorQUALCOMM INC·Filed 2019·Granted Jan 12, 2021·2 cites·15 claims
- 4672US12416996B2Devices including one or more high-impedance layers between a display stack and an ultrasonic fingerprint sensor stackQUALCOMM INC·Filed 2024·Granted Sep 16, 2025·0 cites·20 claims
- 4771US11823483B2Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methodsQUALCOMM INC·Filed 2021·Granted Nov 21, 2023·0 cites·26 claims
- 4869US8111262B2Interferometric modulator displays with reduced color sensitivityDJORDJEV KOSTADIN·Filed 2007·Granted Feb 7, 2012·5 cites·43 claims
- 4967US12183113B2Configuration of an ultrasonic fingerprint sensor relative to a display of a deviceQUALCOMM INC·Filed 2020·Granted Dec 31, 2024·0 cites·31 claims
- 5065US12471782B2Compact photoacoustic sensorQUALCOMM INC·Filed 2023·Granted Nov 18, 2025·0 cites·28 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →