Inventor · disambiguated record
David Horsley
Also filed as: HORSLEY DAVID · HORSLEY DAVID A
46 granted patents·1 pending application·585 citations·filing 2001–2023
98Inventor score
Files withCHIRP MICROSYSTEMS INC12UNIV CALIFORNIA11INVENSENSE INC10Chirp Microsystems3HEWLETT PACKARD DEVELOPMENT CO3
Top patents by PatentIndex Score
47 records- 0199US6465355B1Method of fabricating suspended microstructuresHEWLETT PACKARD CO·Filed 2001·Granted Oct 15, 2002·272 cites·17 claims
- 0296US11005025B1Piezoelectric micromachined ultrasonic transducers with low stress sensitivity and methods of fabricationCHIRP MICROSYSTEMS INC·Filed 2017·Granted May 11, 2021·12 cites·26 claims
- 0395US11397262B2Surface type detectionINVENSENSE INC·Filed 2020·Granted Jul 26, 2022·7 cites·25 claims
- 0495US6933873B1PWM-based measurement interface for a micro-machined electrostatic actuatorANALOG DEVICES INC·Filed 2003·Granted Aug 23, 2005·69 cites·7 claims
- 0593US10820888B2Miniature ultrasonic imaging systemUNIV CALIFORNIA·Filed 2016·Granted Nov 3, 2020·8 cites·25 claims
- 0693US10293377B2Micromachined ultrasonic transducers with a slotted membrane structureChirp Microsystems·Filed 2016·Granted May 21, 2019·11 cites·48 claims
- 0791US9069031B2Piezoelectrically actuated magnetic-field sensorUNIV CALIFORNIA·Filed 2013·Granted Jun 30, 2015·14 cites·20 claims
- 0891US6674383B2PWM-based measurement interface for a micro-machined electrostatic actuatorONIX MICROSYSTEMS INC·Filed 2001·Granted Jan 6, 2004·41 cites·10 claims
- 0990US10522737B2Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)UNIV CALIFORNIA·Filed 2016·Granted Dec 31, 2019·5 cites·24 claims
- 1090US10430631B2MUT fingerprint ID systemUNIV CALIFORNIA·Filed 2014·Granted Oct 1, 2019·11 cites·20 claims
- 1189US7042105B2Methods for dicing wafer stacks to provide access to interior structuresHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted May 9, 2006·12 cites·17 claims
- 1287US10527419B1Baseband control electronics for inertial wave angle gyroscopeCHALLONER ANTHONY DORIAN·Filed 2017·Granted Jan 7, 2020·17 cites·20 claims
- 1385US10562069B2Piezoelectric micromachined ultrasonic transducers using two bonded substratesHORSLEY DAVID A·Filed 2017·Granted Feb 18, 2020·5 cites·41 claims
- 1484US11292030B2Piezoelectric micromachined ultrasonic transducers having stress relief featuresCHIRP MICROSYSTEMS INC·Filed 2018·Granted Apr 5, 2022·4 cites·14 claims
- 1583US9335217B2Pyroelectric aluminum nitride MEMS infrared sensor with selective wavelength infrared absorberUNIV CALIFORNIA·Filed 2014·Granted May 10, 2016·5 cites·19 claims
- 1682US11844282B2Piezoelectric micromachined ultrasonic transducer with a patterned membrane structureINVENSENSE INC·Filed 2020·Granted Dec 12, 2023·1 cites·17 claims
- 1781US10901064B2Ultrasonic beacon trackingCHIRP MICROSYSTEMS INC·Filed 2016·Granted Jan 26, 2021·4 cites·14 claims
- 1881US10751755B1Piezoelectric micromachined ultrasonic transducers having differential transmit and receive circuitryCHIRP MICROSYSTEMS INC·Filed 2017·Granted Aug 25, 2020·2 cites·8 claims
- 1981US10712444B1Ultrasonic input deviceCHIRP MICROSYSTEMS INC·Filed 2018·Granted Jul 14, 2020·4 cites·24 claims
- 2081US10700792B2Programmable ultrasonic transceiverCHIRP MICROSYSTEMS INC·Filed 2018·Granted Jun 30, 2020·2 cites·20 claims
- 2179US11819879B2Programmable ultrasonic transceiverINVENSENSE INC·Filed 2022·Granted Nov 21, 2023·0 cites·21 claims
- 2279US10573289B2Package waveguide for acoustic sensor with electronic delay compensationCHIRP MICROSYSTEMS INC·Filed 2017·Granted Feb 25, 2020·3 cites·26 claims
- 2379US10545219B2Three dimensional object-localization and tracking using ultrasonic pulsesChirp Microsystems·Filed 2016·Granted Jan 28, 2020·3 cites·34 claims
- 2479US9891290B2Offset suppression in micromachined Lorentz force magnetic sensor by current choppingUNIV CALIFORNIA·Filed 2016·Granted Feb 13, 2018·2 cites·20 claims
- 2578US6955976B2Method for dicing wafer stacks to provide access to interior structuresHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Oct 18, 2005·19 cites·7 claims
- 2677US11800804B2Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)UNIV CALIFORNIA·Filed 2022·Granted Oct 24, 2023·0 cites·35 claims
- 2776US12284920B2Piezoelectric micromachined ultrasonic transducer with a patterned membrane structureINVENSENSE INC·Filed 2023·Granted Apr 22, 2025·0 cites·18 claims
- 2876US11238258B2MUT fingerprint ID systemUNIV CALIFORNIA·Filed 2019·Granted Feb 1, 2022·2 cites·14 claims
- 2976US11016167B2Three dimensional object-localization and tracking using ultrasonic pulsesCHIRP MICROSYSTEMS INC·Filed 2017·Granted May 25, 2021·2 cites·23 claims
- 3076US10324181B2Miniature micromachined ultrasonic rangefinderHORSLEY DAVID·Filed 2017·Granted Jun 18, 2019·2 cites·23 claims
- 3176US6930368B2MEMS having a three-wafer structureHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 16, 2005·33 cites·53 claims
- 3275US10566949B2Micromachined ultrasound transducer using multiple piezoelectric materialsCHIRP MICROSYSTEMS INC·Filed 2016·Granted Feb 18, 2020·2 cites·22 claims
- 3373US11462677B2Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)UNIV CALIFORNIA·Filed 2019·Granted Oct 4, 2022·1 cites·24 claims
- 3472US11733379B2Surface type detectionINVENSENSE INC·Filed 2022·Granted Aug 22, 2023·0 cites·25 claims
- 3570US9323397B2In-air ultrasonic rangefinding and angle estimationUNIV CALIFORNIA·Filed 2014·Granted Apr 26, 2016·2 cites·8 claims
- 3667US11543486B2Ultrasonic beacon trackingINVENSENSE INC·Filed 2021·Granted Jan 3, 2023·0 cites·20 claims
- 3765US10816639B2Three dimensional object-localization and tracking using ultrasonic pulsesCHIRP MICROSYSTEMS INC·Filed 2020·Granted Oct 27, 2020·0 cites·20 claims
- 3865US9753013B2Charged particle detectorBRECHTEL MFG INC·Filed 2014·Granted Sep 5, 2017·1 cites·12 claims
- 3964US11440050B2Programmable ultrasonic transceiverINVENSENSE INC·Filed 2020·Granted Sep 13, 2022·0 cites·18 claims
- 4063US11711067B2Micromachined ultrasound transducer using multiple piezoelectric materialsINVENSENSE INC·Filed 2020·Granted Jul 25, 2023·0 cites·19 claims
- 4161US11269047B2Three dimensional object-localization and tracking using ultrasonic pulses with synchronized inertial position determinationINVENSENSE INC·Filed 2018·Granted Mar 8, 2022·1 cites·23 claims
- 4259US7023604B2Three dimensional optical switches and beam steering modulesANALOG DEVICES INC·Filed 2001·Granted Apr 4, 2006·6 cites·43 claims
- 4354US10944320B2Efficient on-chip high-voltage driver circuit for ultrasonic transducerCHIRP MICROSYSTEMS INC·Filed 2018·Granted Mar 9, 2021·0 cites·17 claims
- 4451US11508346B2Miniature ultrasonic transducer packageINVENSENSE INC·Filed 2018·Granted Nov 22, 2022·0 cites·27 claims
- 4551US9710111B2In-air ultrasonic rangefinding and angle estimationUNIV CALIFORNIA·Filed 2016·Granted Jul 18, 2017·0 cites·8 claims
- 4648US11209533B2Quadrature amplitude modulation circuitry for ultrasonic transducerCHIRP MICROSYSTEMS INC·Filed 2018·Granted Dec 28, 2021·0 cites·10 claims
- 4734US2015323667A1Time of flight range finding with an adaptive transmit pulse and adaptive receiver processingChirp Microsystems·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →