Inventor · disambiguated record
Ehsan Khajeh
Also filed as: KHAJEH EHSAN
39 granted patents·3 pending applications·146 citations·filing 2013–2025
96Inventor score
Top patents by PatentIndex Score
42 records- 0197US10275638B1Methods of biometric imaging of input surfacesAPPLE INC·Filed 2016·Granted Apr 30, 2019·57 cites·20 claims
- 0296US10198610B1Acoustic pulse coding for imaging of input surfacesAPPLE INC·Filed 2016·Granted Feb 5, 2019·31 cites·19 claims
- 0395US11950512B2Thin-film acoustic imaging system for imaging through an exterior surface of an electronic device housingAPPLE INC·Filed 2021·Granted Apr 2, 2024·3 cites·25 claims
- 0494US11669199B2Differential acoustic touch and force sensingAPPLE INC·Filed 2021·Granted Jun 6, 2023·2 cites·19 claims
- 0594US10325136B1Acoustic imaging of user input surfacesAPPLE INC·Filed 2016·Granted Jun 18, 2019·11 cites·18 claims
- 0693US11715321B2Geometric structures for acoustic impedance matching and improved touch sensing and fingerprint imagingAPPLE INC·Filed 2022·Granted Aug 1, 2023·9 cites·20 claims
- 0793US11573665B2Beamforming optimization for segmented thin-film acoustic imaging systems incorporated in personal portable electronic devicesAPPLE INC·Filed 2022·Granted Feb 7, 2023·3 cites·20 claims
- 0893US11231816B2Ultrasonic water-agnostic touch detection sensorAPPLE INC·Filed 2021·Granted Jan 25, 2022·3 cites·25 claims
- 0992US12000967B2Regional gain control for segmented thin-film acoustic imaging systemsAPPLE INC·Filed 2022·Granted Jun 4, 2024·2 cites·17 claims
- 1085US11347355B2System and method for acoustic touch and force sensingAPPLE INC·Filed 2018·Granted May 31, 2022·3 cites·26 claims
- 1183US11941907B2Acoustic imaging system architectureAPPLE INC·Filed 2021·Granted Mar 26, 2024·1 cites·18 claims
- 1283US11402950B2Methodology and application of acoustic touch detectionAPPLE INC·Filed 2017·Granted Aug 2, 2022·3 cites·18 claims
- 1381US10802651B2Ultrasonic touch detection through displayAPPLE INC·Filed 2019·Granted Oct 13, 2020·3 cites·25 claims
- 1479US2025383740A1Piezoelectric transducers for detection of touch on a surfaceAPPLE INC·Filed 2025·Application pending·0 cites
- 1578US12099683B2Differential acoustic touch and force sensingAPPLE INC·Filed 2023·Granted Sep 24, 2024·0 cites·20 claims
- 1678US11392250B1Ultrasonic touch sensing parasitic wave rejectionAPPLE INC·Filed 2020·Granted Jul 19, 2022·1 cites·22 claims
- 1777US11048902B2Acoustic imaging system architectureAPPLE INC·Filed 2016·Granted Jun 29, 2021·3 cites·12 claims
- 1875US12205399B2Geometric structures for acoustic impedance matching and improved touch sensing and fingerprint imagingAPPLE INC·Filed 2023·Granted Jan 21, 2025·0 cites·19 claims
- 1972US12455661B2Piezoelectric transducers for detection of touch on a surfaceAPPLE INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 2072US9389330B2Formation measurements using flexural modes of guided wavesKHAJEH EHSAN·Filed 2014·Granted Jul 12, 2016·3 cites·20 claims
- 2171US11334196B2System and method for acoustic touch and force sensingAPPLE INC·Filed 2019·Granted May 17, 2022·1 cites·23 claims
- 2270US12067196B2Beamforming optimization for segmented thin-film acoustic imaging systems incorporated in personal portable electronic devicesAPPLE INC·Filed 2023·Granted Aug 20, 2024·0 cites·20 claims
- 2368US12281957B2Methodology and application of acoustic detection of optical integrityAPPLE INC·Filed 2022·Granted Apr 22, 2025·0 cites·20 claims
- 2467US11861115B2System and method for acoustic touch and force sensingAPPLE INC·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 2564US9597709B2Variable thickness acoustic transducersKHAJEH EHSAN·Filed 2014·Granted Mar 21, 2017·1 cites·20 claims
- 2664US2023022492A1Methodology and application of acoustic touch detectionAPPLE INC·Filed 2022·Application pending·0 cites
- 2761US11144158B2Differential acoustic touch and force sensingAPPLE INC·Filed 2018·Granted Oct 12, 2021·0 cites·23 claims
- 2861US9672187B2System and method for directing guided waves through structuresELECTRIC POWER RES INST·Filed 2013·Granted Jun 6, 2017·1 cites·31 claims
- 2961US9534492B2Pressure compensated capacitive micromachined ultrasound transducer for downhole applicationsBAKER HUGHES INC·Filed 2014·Granted Jan 3, 2017·3 cites·18 claims
- 3059US10094945B2Formation measurements using nonlinear guided wavesKHAJEH EHSAN·Filed 2014·Granted Oct 9, 2018·1 cites·20 claims
- 3158US9726014B2Guided wave downhole fluid sensorBAKER HUGHES INC·Filed 2014·Granted Aug 8, 2017·1 cites·19 claims
- 3256US11422113B2Ultrasonic water-agnostic touch detection sensorAPPLE INC·Filed 2020·Granted Aug 23, 2022·0 cites·21 claims
- 3355US11366552B2Ultrasonic polarizerAPPLE INC·Filed 2019·Granted Jun 21, 2022·0 cites·20 claims
- 3455US10949030B2Shear-poled curved piezoelectric materialAPPLE INC·Filed 2018·Granted Mar 16, 2021·0 cites·21 claims
- 3552US12039800B2Signal processing for segmented thin-film acoustic imaging systems for portable electronic devicesAPPLE INC·Filed 2022·Granted Jul 16, 2024·0 cites·20 claims
- 3652US11397486B2Ultrasonic force detectionAPPLE INC·Filed 2020·Granted Jul 26, 2022·0 cites·20 claims
- 3752US10606418B2Ultrasonic touch detection on stylusAPPLE INC·Filed 2018·Granted Mar 31, 2020·0 cites·20 claims
- 3849US10877606B2Method and apparatus for isolating ultrasonic touch sensor from reflections in a device housingAPPLE INC·Filed 2019·Granted Dec 29, 2020·0 cites·20 claims
- 3949US10725573B2Annular piezoelectric structure for ultrasonic touch sensingAPPLE INC·Filed 2018·Granted Jul 28, 2020·0 cites·22 claims
- 4049US2016299106A1Systems and methods for using flexural modes in non-destructive testing and inspectionPENN STATE RES FOUND·Filed 2014·Application pending·0 cites
- 4146US9581708B2Guided acoustic waves isolation system for downhole applicationsKHAJEH EHSAN·Filed 2014·Granted Feb 28, 2017·0 cites·18 claims
- 4243US11157115B2Composite cover material for sensitivity improvement of ultrasonic touch screensAPPLE INC·Filed 2017·Granted Oct 26, 2021·0 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Ehsan Khajeh files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →