Inventor · disambiguated record
Fred S. Hirt
Also filed as: HIRT FRED · HIRT FRED S
35 granted patents·5 pending applications·1,138 citations·filing 2000–2025
98Inventor score
Top patents by PatentIndex Score
40 records- 0199US11219022B2Wireless network synchronization of cells and client devices on a network with dynamic adjustmentPROXENSE LLC·Filed 2020·Granted Jan 4, 2022·20 cites·20 claims
- 0299US11212797B2Wireless network synchronization of cells and client devices on a network with maskingPROXENSE LLC·Filed 2020·Granted Dec 28, 2021·21 cites·20 claims
- 0399US10764044B1Personal digital key initialization and registration for secure transactionsPROXENSE LLC·Filed 2019·Granted Sep 1, 2020·26 cites·22 claims
- 0499US8036152B2Integrated power management of a client device via system time slot assignmentPROXENSE LLC·Filed 2007·Granted Oct 11, 2011·94 cites·23 claims
- 0598US10943471B1Biometric authentication using proximity and secure information on a user devicePROXENSE LLC·Filed 2019·Granted Mar 9, 2021·28 cites·20 claims
- 0698US10383112B2Dynamic real-time tiered client accessPROXENSE LLC·Filed 2016·Granted Aug 13, 2019·23 cites·18 claims
- 0798US10374795B1Personal digital key initialization and registration for secure transactionsPROXENSE LLC·Filed 2015·Granted Aug 6, 2019·27 cites·20 claims
- 0898US9265043B2Dynamic real-time tiered client accessPROXENSE LLC·Filed 2013·Granted Feb 16, 2016·24 cites·20 claims
- 0998US8340672B2Wireless network synchronization of cells and client devices on a networkBROWN DAVID L·Filed 2007·Granted Dec 25, 2012·55 cites·22 claims
- 1098US8219129B2Dynamic real-time tiered client accessBROWN DAVID L·Filed 2007·Granted Jul 10, 2012·138 cites·18 claims
- 1198US7904718B2Personal digital key differentiation for secure transactionsPROXENSE LLC·Filed 2007·Granted Mar 8, 2011·90 cites·32 claims
- 1297US10403128B2Configuration of interfaces for a location detection system and applicationPROXENSE LLC·Filed 2016·Granted Sep 3, 2019·27 cites·18 claims
- 1397US9542542B2Single step transaction authentication using proximity and biometric inputGIOBBI JOHN J·Filed 2007·Granted Jan 10, 2017·48 cites·20 claims
- 1497US9251326B2Personal digital key initialization and registration for secure transactionsPROXENSE LLC·Filed 2014·Granted Feb 2, 2016·25 cites·20 claims
- 1597US8838993B2Personal digital key initialization and registration for secure transactionsPROXENSE LLC·Filed 2013·Granted Sep 16, 2014·25 cites·20 claims
- 1697US8457672B2Dynamic real-time tiered client accessBROWN DAVID L·Filed 2012·Granted Jun 4, 2013·25 cites·19 claims
- 1797US8433919B2Two-level authentication for secure transactionsGIOBBI JOHN J·Filed 2007·Granted Apr 30, 2013·63 cites·37 claims
- 1897US8412949B2Personal digital key initialization and registration for secure transactionsGIOBBI JOHN J·Filed 2007·Granted Apr 2, 2013·41 cites·23 claims
- 1996US8750710B1System and method for facilitating fiber access transport using pluggable radio frequency opticsHIRT FRED S·Filed 2011·Granted Jun 10, 2014·91 cites·29 claims
- 2095US12014369B2Personal digital key initialization and registration for secure transactionsPROXENSE LLC·Filed 2021·Granted Jun 18, 2024·2 cites·20 claims
- 2195US9113464B2Dynamic cell size variation via wireless link parameter adjustmentHIRT FRED S·Filed 2007·Granted Aug 18, 2015·25 cites·26 claims
- 2293US9269221B2Configuration of interfaces for a location detection system and applicationGOBBI JOHN J·Filed 2007·Granted Feb 23, 2016·73 cites·28 claims
- 2393US7883003B2Tracking system using personal digital key groupsPROXENSE LLC·Filed 2007·Granted Feb 8, 2011·40 cites·22 claims
- 2492US11553481B2Wireless network synchronization of cells and client devices on a networkPROXENSE LLC·Filed 2019·Granted Jan 10, 2023·3 cites·20 claims
- 2592US8907861B2Antennas integrated with dielectric construction materialsHIRT FRED S·Filed 2008·Granted Dec 9, 2014·35 cites·25 claims
- 2691US11206664B2Wireless network synchronization of cells and client devices on a networkPROXENSE LLC·Filed 2020·Granted Dec 21, 2021·2 cites·20 claims
- 2790US2025349208A1Biometric Authentication Using Proximity and Secure Information on a User DevicePROXENSE LLC·Filed 2025·Application pending·0 cites
- 2888US6785474B2Method and apparatus for suppressing relative intensity noise (RIN) and improving transmission signalsSCIENTIFIC ATLANTA·Filed 2000·Granted Aug 31, 2004·44 cites·14 claims
- 2984US12446014B2Wireless network synchronization of cells and client devices on a networkPROXENSE LLC·Filed 2023·Granted Oct 14, 2025·0 cites·20 claims
- 3083US8467676B2Sparing for multi-wavelength optical transmitterVILLARRUEL FERNANDO XAVIER·Filed 2009·Granted Jun 18, 2013·15 cites·20 claims
- 3179US11800502B2Wireless network synchronization of cells and client devices on a networkPROXENSE LLC·Filed 2022·Granted Oct 24, 2023·0 cites·20 claims
- 3278US2025168828A1Wireless Network Synchronization of Cells and Client Devices on a NetworkPROXENSE LLC·Filed 2025·Application pending·0 cites
- 3377US2022335435A1Single Step Transaction Authentication Using Proximity and Biometric InputPROXENSE LLC·Filed 2022·Application pending·0 cites
- 3475US11182792B2Personal digital key initialization and registration for secure transactionsPROXENSE LLC·Filed 2020·Granted Nov 23, 2021·0 cites·20 claims
- 3575US8571417B2System and method for mitigating four-wave-mixing effectsWU KUANG-YI·Filed 2011·Granted Oct 29, 2013·5 cites·7 claims
- 3674US9479261B2System and method for mitigating four-wave-mixing effectsCISCO TECH INC·Filed 2013·Granted Oct 25, 2016·3 cites·19 claims
- 3772US12380797B2Biometric authentication using proximity and secure information on a user devicePROXENSE LLC·Filed 2021·Granted Aug 5, 2025·0 cites·20 claims
- 3865US11551222B2Single step transaction authentication using proximity and biometric inputPROXENSE LLC·Filed 2016·Granted Jan 10, 2023·0 cites·20 claims
- 3939US2002085257A1Optical modulator linearization by direct radio frequency (RF) feedbackFiled 2001·Application pending·0 cites
- 4037US2004052537A1Thermal noise reduction technique for optical receivers using identical amplifier circuitsFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →