Inventor · disambiguated record
Brent M. Ledvina
Also filed as: LEDVINA BRENT · LEDVINA BRENT M · LEDVINA BRENT MICHAEL
54 granted patents·21 pending applications·585 citations·filing 2004–2025
98Inventor score
Files withAPPLE INC65COHERENT NAVIGATION INC5CORNELL RES FOUNDATION INC2BOEING CO1MILLER ISAAC THOMAS1
Top patents by PatentIndex Score
75 records- 0198US11671530B2Ranging-based remindersAPPLE INC·Filed 2021·Granted Jun 6, 2023·4 cites·20 claims
- 0298US11516337B2Ranging between mobile devicesAPPLE INC·Filed 2020·Granted Nov 29, 2022·8 cites·19 claims
- 0398US10759389B2Mobile device for communicating and ranging with access control system for automatic functionalityAPPLE INC·Filed 2019·Granted Sep 1, 2020·44 cites·20 claims
- 0498US10486646B2Mobile device for communicating and ranging with access control system for automatic functionalityAPPLE INC·Filed 2018·Granted Nov 26, 2019·59 cites·20 claims
- 0597US11019195B2Ranging between mobile devicesAPPLE INC·Filed 2019·Granted May 25, 2021·12 cites·20 claims
- 0697US10117046B2Discrete location classificationAPPLE INC·Filed 2016·Granted Oct 30, 2018·28 cites·19 claims
- 0796US11212642B2Enhanced automotive passive entryAPPLE INC·Filed 2019·Granted Dec 28, 2021·12 cites·23 claims
- 0896US10440574B2Unlocking a deviceAPPLE INC·Filed 2016·Granted Oct 8, 2019·20 cites·25 claims
- 0996US10091303B1Using in-home location awarenessAPPLE INC·Filed 2017·Granted Oct 2, 2018·27 cites·20 claims
- 1096US7372400B2Methods and apparatus for a navigation system with reduced susceptibility to interference and jammingBOEING CO·Filed 2005·Granted May 13, 2008·90 cites·31 claims
- 1195US9557422B1Systems, methods, devices and subassemblies for creating and delivering a GNSS augmentation serviceAPPLE INC·Filed 2013·Granted Jan 31, 2017·44 cites·12 claims
- 1295US9121940B2Vehicle navigation using non-GPS LEO signals and on-board sensorsCOHERENT NAVIGATION INC·Filed 2014·Granted Sep 1, 2015·40 cites·20 claims
- 1394US11889302B2Maintenance of wireless devicesAPPLE INC·Filed 2021·Granted Jan 30, 2024·16 cites·20 claims
- 1494US10735900B1Ranging measurements for spatially-aware user interface of a mobile deviceAPPLE INC·Filed 2019·Granted Aug 4, 2020·12 cites·30 claims
- 1594US10285013B2Enhanced automotive passive entryAPPLE INC·Filed 2018·Granted May 7, 2019·17 cites·21 claims
- 1690US11627433B2Enhanced automotive passive entryAPPLE INC·Filed 2021·Granted Apr 11, 2023·1 cites·20 claims
- 1789US10361887B2Time of arrival estimationAPPLE INC·Filed 2017·Granted Jul 23, 2019·6 cites·20 claims
- 1888US12262278B2Proximity enhanced location queryAPPLE INC·Filed 2020·Granted Mar 25, 2025·4 cites·20 claims
- 1988US12143895B2Pairing groups of accessoriesAPPLE INC·Filed 2021·Granted Nov 12, 2024·4 cites·22 claims
- 2088US11451924B2Ranging measurements for spatially-aware user interface of a mobile deviceAPPLE INC·Filed 2020·Granted Sep 20, 2022·2 cites·20 claims
- 2188US8682581B2Vehicle navigation using non-GPS LEO signals and on-board sensorsPSIAKI MARK LOCKWOOD·Filed 2011·Granted Mar 25, 2014·18 cites·23 claims
- 2288US2025106587A1Enhanced automotive passive entryAPPLE INC·Filed 2024·Application pending·0 cites
- 2387US10681141B2Using in-home location awarenessAPPLE INC·Filed 2018·Granted Jun 9, 2020·3 cites·21 claims
- 2487US2025055936A1Ranging between mobile devicesAPPLE INC·Filed 2024·Application pending·0 cites
- 2586US11320509B2Electronic devices with motion sensing and angle of arrival detection circuitryAPPLE INC·Filed 2019·Granted May 3, 2022·5 cites·21 claims
- 2686US9612340B1Systems, methods, devices and subassemblies for creating and delivering crowd-sourced GNSS modelsAPPLE INC·Filed 2014·Granted Apr 4, 2017·12 cites·33 claims
- 2786US7978130B1Practical method for upgrading existing GNSS user equipment with tightly integrated Nav-Com capabilityCOHERENT NAVIGATION INC·Filed 2009·Granted Jul 12, 2011·35 cites·49 claims
- 2886US7010060B2Real-time software receiverCORNELL RES FOUNDATION INC·Filed 2004·Granted Mar 7, 2006·32 cites·27 claims
- 2985US10200810B2Proactive actions on mobile device using uniquely-identifiable and unlabeled locationsAPPLE INC·Filed 2016·Granted Feb 5, 2019·4 cites·20 claims
- 3085US7305021B2Real-time software receiverCORNELL RES FOUNDATION INC·Filed 2005·Granted Dec 4, 2007·13 cites·26 claims
- 3184US11540137B2Pairing devices based on distanceAPPLE INC·Filed 2020·Granted Dec 27, 2022·2 cites·20 claims
- 3282US12200567B2Enhanced automotive passive entryAPPLE INC·Filed 2023·Granted Jan 14, 2025·0 cites·16 claims
- 3382US12099586B2Implementation of biometric authenticationAPPLE INC·Filed 2022·Granted Sep 24, 2024·1 cites·81 claims
- 3481US12177378B2Ranging between mobile devicesAPPLE INC·Filed 2022·Granted Dec 24, 2024·0 cites·20 claims
- 3581US12015670B2Using in-home location awarenessAPPLE INC·Filed 2023·Granted Jun 18, 2024·0 cites·20 claims
- 3681US11575752B2Using in-home location awarenessAPPLE INC·Filed 2020·Granted Feb 7, 2023·1 cites·22 claims
- 3781US2025371964A1Separation Notifications for Wireless AccessoriesAPPLE INC·Filed 2025·Application pending·0 cites
- 3878US2025168272A1Ranging between mobile devicesAPPLE INC·Filed 2025·Application pending·0 cites
- 3977US10187919B2Proximity pairing based on signal strengthAPPLE INC·Filed 2017·Granted Jan 22, 2019·2 cites·21 claims
- 4077US2025164648A1Machine learning assisted satellite based positioningAPPLE INC·Filed 2024·Application pending·0 cites
- 4175US12000938B2Machine learning assisted satellite based positioningAPPLE INC·Filed 2023·Granted Jun 4, 2024·0 cites·20 claims
- 4275US11120123B2Device, method, and graphical user interface for managing authentication credentials for user accountsAPPLE INC·Filed 2019·Granted Sep 14, 2021·1 cites·27 claims
- 4375US2025291890A1Unlocking a deviceAPPLE INC·Filed 2025·Application pending·0 cites
- 4474US12373537B2Unlocking a deviceAPPLE INC·Filed 2022·Granted Jul 29, 2025·0 cites·26 claims
- 4574US12332366B2Electronic devices with motion sensing and angle of arrival detection circuitryAPPLE INC·Filed 2022·Granted Jun 17, 2025·0 cites·20 claims
- 4674US2024397477A1Device Location FindingAPPLE INC·Filed 2024·Application pending·0 cites
- 4774US2025165583A1Device, method, and graphical user interface for managing authentication credentials for user accountsAPPLE INC·Filed 2025·Application pending·0 cites
- 4873US12170892B2Maintenance of wireless devices by electronic devicesAPPLE INC·Filed 2023·Granted Dec 17, 2024·0 cites·19 claims
- 4973US12089050B2Pairing devices based on distanceAPPLE INC·Filed 2022·Granted Sep 10, 2024·0 cites·20 claims
- 5072US2025088826A1Pairing Groups of AccessoriesAPPLE INC·Filed 2024·Application pending·0 cites
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →