Inventor · disambiguated record
Irfan Ali
Also filed as: ALI IRFAN · ALI IRFAN K
49 granted patents·11 pending applications·989 citations·filing 1995–2023
98Inventor score
Top patents by PatentIndex Score
60 records- 0195US5743495ASystem for detecting broken rails and flat wheels in the presence of trainsGEN ELECTRIC·Filed 1997·Granted Apr 28, 1998·120 cites·18 claims
- 0295US5588005AProtocol and mechanism for primary and mutter mode communication for asset trackingGEN ELECTRIC·Filed 1995·Granted Dec 24, 1996·250 cites·6 claims
- 0392US6885638B2Method and apparatus for enhancing the quality of service of a wireless communicationMOTOROLA INC·Filed 2002·Granted Apr 26, 2005·76 cites·20 claims
- 0491US11950128B2Edge offloading in a mobile network having a converged core architectureCISCO TECH INC·Filed 2021·Granted Apr 2, 2024·2 cites·20 claims
- 0591US11627641B2Interworking function to connect a device within a 2G or 3G network to a 5G networkCISCO TECH INC·Filed 2021·Granted Apr 11, 2023·2 cites·19 claims
- 0690US11246088B2Failover and management of multi-vendor network slicesCISCO TECH INC·Filed 2020·Granted Feb 8, 2022·3 cites·20 claims
- 0788US5608412AProtocol and mechanism for mutter mode communication for stationary master tracking unitGEN ELECTRIC·Filed 1995·Granted Mar 4, 1997·150 cites·7 claims
- 0887US6721333B1Point to point protocol multiplexing/demultiplexing method and apparatusMOTOROLA INC·Filed 2000·Granted Apr 13, 2004·62 cites·25 claims
- 0986US11071036B2Managing voice calls in heterogenous network environmentsCISCO TECH INC·Filed 2019·Granted Jul 20, 2021·4 cites·28 claims
- 1081US6400281B1Communications system and method for interconnected networks having a linear topology, especially railwaysFiled 1998·Granted Jun 4, 2002·123 cites·7 claims
- 1178US11252627B2Maintaining local offloading of traffic in a handover from a fifth generation system (5GS) to an evolved packet system (EPS)CISCO TECH INC·Filed 2020·Granted Feb 15, 2022·1 cites·20 claims
- 1277US12041440B2Direct SMF control plane with gNBCISCO TECH INC·Filed 2023·Granted Jul 16, 2024·0 cites·20 claims
- 1377US6867708B2Communications system and method for interconnected networks having a linear topology, especially railwaysFiled 2001·Granted Mar 15, 2005·33 cites·25 claims
- 1475US10912141B2Method for establishing a communication and communication deviceNTT DOCOMO INC·Filed 2017·Granted Feb 2, 2021·2 cites·13 claims
- 1575US8340081B2Communication apparatus for providing services to a communication device through a private base stationSALKINTZIS APOSTOLIS KAMAL·Filed 2009·Granted Dec 25, 2012·8 cites·16 claims
- 1674US11968752B2Interworking function to connect a device within a 2G or 3G network to a 5G networkCISCO TECH INC·Filed 2023·Granted Apr 23, 2024·0 cites·20 claims
- 1769US11102827B2Information notification method and mobile communication systemNTT DOCOMO INC·Filed 2018·Granted Aug 24, 2021·1 cites·6 claims
- 1869US9325794B2Method and system for providing IMS session continuity to a user equipment across a plurality of communication networksGoogle Technology Holdings LLC·Filed 2014·Granted Apr 26, 2016·2 cites·26 claims
- 1969US6198735B1Method for retransmitting a data packet in a packet networkMOTOROLA INC·Filed 1999·Granted Mar 6, 2001·64 cites·11 claims
- 2067US11743230B2Network address translation (NAT) traversal and proxy between user plane function (UPF) and session management function (SMF)CISCO TECH INC·Filed 2022·Granted Aug 29, 2023·0 cites·20 claims
- 2167US6144900AAutomatic serialization of an array of wireless nodes based on coupled oscillator modelGEN ELECTRIC·Filed 1998·Granted Nov 7, 2000·26 cites·17 claims
- 2265US12477444B2Service-based network function selection for roaming scenarios involving multiple home core networksCISCO TECH INC·Filed 2023·Granted Nov 18, 2025·0 cites·20 claims
- 2365US11706614B2Direct SMF control plane with gNBCISCO TECH INC·Filed 2021·Granted Jul 18, 2023·0 cites·9 claims
- 2463US10231106B2Communication system, service control device, MTC user device, gateway device, and communication methodNTT DOCOMO INC·Filed 2014·Granted Mar 12, 2019·1 cites·9 claims
- 2563US2024095758A1System and method of tracking and reducing carbon emissionsDIGIKERMA INC·Filed 2023·Application pending·0 cites
- 2661US7120170B2Method and apparatus for the time synchronization in a data communication systemMOTOROLA INC·Filed 2001·Granted Oct 10, 2006·4 cites·19 claims
- 2759US11374900B2Network address translation (NAT) traversal and proxy between user plane function (UPF) and session management function (SMF)CISCO TECH INC·Filed 2020·Granted Jun 28, 2022·0 cites·20 claims
- 2858US9621736B2Method and system for sponsoring location based mobile data servicesBROADVIEW COMMUNICATIONS LLC·Filed 2016·Granted Apr 11, 2017·1 cites·20 claims
- 2958US5761238ATransmitted reference spread spectrum communications systemGEN ELECTRIC·Filed 1996·Granted Jun 2, 1998·26 cites·11 claims
- 3057US7142542B2Selective retransmission of dataMOTOROLA INC·Filed 2001·Granted Nov 28, 2006·5 cites·7 claims
- 3157US2024196189A1Methods for tracking ue location to enable access to a non-public networkCISCO TECH INC·Filed 2022·Application pending·0 cites
- 3255US10588071B2Wireless communication system, method of routing data in a wireless communication system, and method of handing over a wireless communication device, having an established data connection to a local networkGoogle Technology Holdings LLC·Filed 2017·Granted Mar 10, 2020·0 cites·20 claims
- 3354US2023292197A1Enabling 5g to 4g to 3g mobility for protocol data unit (pdu) sessions that are created or modified in 5gCISCO TECH INC·Filed 2022·Application pending·0 cites
- 3453US12256274B2Evolved packet core to 5G core roaming using N9 interfaceCISCO TECH INC·Filed 2022·Granted Mar 18, 2025·0 cites·20 claims
- 3553US5926467AMethod and apparatus for doppler based multiple access communication controlGEN ELECTRIC·Filed 1997·Granted Jul 20, 1999·22 cites·14 claims
- 3653US2015358954A1User device, gateway device, radio base station, mobile communication system, and mobile communication methodNTT DOCOMO INC·Filed 2014·Application pending·0 cites
- 3752US11323550B2Techniques to send load-share notifications to multiple receiversCISCO TECH INC·Filed 2020·Granted May 3, 2022·0 cites·20 claims
- 3852US10798182B2Application function control of IP address allocationCISCO TECH INC·Filed 2018·Granted Oct 6, 2020·0 cites·20 claims
- 3952US2018139744A1User device, gateway device, radio base station, mobile communication system, and mobile communication methodNTT DOCOMO INC·Filed 2018·Application pending·0 cites
- 4050US11445420B2User device, radio communication system, and radio communication methodNTT DOCOMO INC·Filed 2018·Granted Sep 13, 2022·0 cites·5 claims
- 4150US9553932B2Method and system for providing IMS session continuity to a user equipment across a plurality of communication networksGoogle Technology Holdings LLC·Filed 2016·Granted Jan 24, 2017·0 cites·21 claims
- 4249US10848955B2Distributed mobility management functionalityCISCO TECH INC·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 4348US11723117B2Mobility level control device and mobility level control methodNTT DOCOMO INC·Filed 2017·Granted Aug 8, 2023·0 cites·4 claims
- 4448US11323976B2Network device and radio communication methodNTT DOCOMO INC·Filed 2018·Granted May 3, 2022·0 cites·4 claims
- 4548US10924518B2UPF programming over enhanced N9 interfaceCISCO TECH INC·Filed 2018·Granted Feb 16, 2021·0 cites·20 claims
- 4647US10856354B2Radio communication system, network device, and radio communication methodNTT DOCOMO INC·Filed 2017·Granted Dec 1, 2020·0 cites·5 claims
- 4746US6973061B2Method and apparatus for sorting packets in a communication systemMOTOROLA INC·Filed 2001·Granted Dec 6, 2005·1 cites·7 claims
- 4845US12341819B2Method and apparatus for policy attributes exchange between security policy management platforms and 5G as a service platformsCISCO TECH INC·Filed 2022·Granted Jun 24, 2025·0 cites·18 claims
- 4945US11304112B2Anchor point control device and anchor point control methodNTT DOCOMO INC·Filed 2017·Granted Apr 12, 2022·0 cites·3 claims
- 5042US9668199B2Wireless communication system, method of routing data in a wireless communication system, and method of handing over a wireless communication device, having an established data connection to a local networkALI IRFAN·Filed 2010·Granted May 30, 2017·0 cites·19 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →