Inventor · disambiguated record
Tat Keung Chan
Also filed as: CHAN TAT · CHAN TAT K · CHAN TAT KEUNG
75 granted patents·28 pending applications·554 citations·filing 2001–2025
99Inventor score
Top patents by PatentIndex Score
103 records- 0196US8319627B2Method and system for intelligent energy network management control systemCHAN TAT-KEUNG·Filed 2012·Granted Nov 27, 2012·68 cites·20 claims
- 0295US8321663B2Enhanced authorization process using digital signaturesMEDVINSKY ALEXANDER·Filed 2009·Granted Nov 27, 2012·43 cites·22 claims
- 0395US7136936B2Method and system for virtual powerline local area networksASOKA USA CORP·Filed 2003·Granted Nov 14, 2006·101 cites·19 claims
- 0494US7413471B2Integrated connector for powerline network and power supplyASOKA USA CORP·Filed 2005·Granted Aug 19, 2008·28 cites·13 claims
- 0592US11681808B2Configurable code signing system and methodARRIS ENTPR LLC·Filed 2022·Granted Jun 20, 2023·2 cites·12 claims
- 0692US8269622B2Method and system for intelligent energy network management control systemCHAN TAT KEUNG·Filed 2009·Granted Sep 18, 2012·26 cites·26 claims
- 0792US7835528B2Method and apparatus for refreshing keys within a bootstrapping architectureNOKIA CORP·Filed 2006·Granted Nov 16, 2010·26 cites·32 claims
- 0890US7461174B2Method and system for virtual powerline local area networksASOKA USA CORP·Filed 2006·Granted Dec 2, 2008·19 cites·10 claims
- 0990US7401239B2Internal powerline power supply method and systemASOKA USA CORP·Filed 2005·Granted Jul 15, 2008·27 cites·35 claims
- 1089US7415541B2Method and system for virtual powerline local area networksASOKA USA CORP·Filed 2006·Granted Aug 19, 2008·17 cites·5 claims
- 1187US11032084B2Generic code signing client with downloadable modulesARRIS ENTPR LLC·Filed 2018·Granted Jun 8, 2021·5 cites·20 claims
- 1287US7813099B2Power line outlet strip and method for powerline communicationsASOKA USA CORP·Filed 2006·Granted Oct 12, 2010·14 cites·11 claims
- 1386US8581743B2Method and system for automated power meter infrastructureJETLUN CORP·Filed 2013·Granted Nov 12, 2013·8 cites·20 claims
- 1486US8099112B2Network entity, method and computer program product for dynamically changing a request for location informationKRISHNAMURTHI GOVINDARAJAN·Filed 2006·Granted Jan 17, 2012·14 cites·30 claims
- 1586US7778152B2Non-intrusive method and system for coupling powerline communications signals to a powerline networkASOKA USA CORP·Filed 2008·Granted Aug 17, 2010·12 cites·23 claims
- 1685US11444935B2Certificate-based client authentication and authorization for automated interfaceARRIS ENTPR LLC·Filed 2020·Granted Sep 13, 2022·2 cites·18 claims
- 1785US11250133B2Configurable code signing system and methodARRIS ENTPR LLC·Filed 2019·Granted Feb 15, 2022·3 cites·20 claims
- 1885US8484467B2Authentication in communications networksCHAN TAT KEUNG·Filed 2006·Granted Jul 9, 2013·12 cites·24 claims
- 1984US12010510B2Systems and methods for secure virtualized base station orchestrationCOMMSCOPE TECHNOLOGIES LLC·Filed 2022·Granted Jun 11, 2024·1 cites·20 claims
- 2084US8087069B2Method, apparatus and computer program product providing bootstrapping mechanism selection in generic bootstrapping architecture (GBA)BAJKO GABOR·Filed 2005·Granted Dec 27, 2011·12 cites·45 claims
- 2184US7769907B2Method and system for virtual powerline local area networksASOKA USA CORP·Filed 2007·Granted Aug 3, 2010·10 cites·22 claims
- 2283US7426581B2Powerline communication system and method using coupler design for additional usersASOKA USA CORP·Filed 2007·Granted Sep 16, 2008·9 cites·23 claims
- 2382US9231759B2Internet key exchange protocol using security associationsCORE WIRELESS LICENSING SARL·Filed 2013·Granted Jan 5, 2016·5 cites·20 claims
- 2480US9210138B2Efficient key generator for distribution of sensitive material from multiple application service providers to a secure element such as a universal integrated circuit card (UICC)Google Technology Holdings LLC·Filed 2013·Granted Dec 8, 2015·4 cites·13 claims
- 2579US7457885B2Powerline communication system and method using coupler design for additional usersASOKA USA CORP·Filed 2005·Granted Nov 25, 2008·7 cites·11 claims
- 2678US8856509B2System and method for cognizant transport layer security (CTLS)NAKHJIRI MADJID F·Filed 2011·Granted Oct 7, 2014·5 cites·15 claims
- 2777US8353011B2Apparatus, method and computer program product providing mobile node identities in conjunction with authentication preferences in generic bootstrapping architecture (GBA)NOKIA CORP·Filed 2006·Granted Jan 8, 2013·8 cites·40 claims
- 2876US2025337566A1Optimized key management for data signing systemsARRIS ENTPR LLC·Filed 2025·Application pending·0 cites
- 2975US9646332B2Secure large volume feature license provisioning systemZHENG JINSONG·Filed 2011·Granted May 9, 2017·4 cites·9 claims
- 3074US9438584B2Provisioning DRM credentials on a client device using an update serverARRIS ENTPR INC·Filed 2014·Granted Sep 6, 2016·3 cites·20 claims
- 3173US11929995B2Method and apparatus for protecting confidential data in an open software stackARRIS ENTPR LLC·Filed 2022·Granted Mar 12, 2024·0 cites·20 claims
- 3272US12056242B2Configurable code signing system and methodARRIS ENTPR LLC·Filed 2023·Granted Aug 6, 2024·0 cites·7 claims
- 3369US10778654B2Method and apparatus for protecting confidential data in an open software stackARRIS ENTPR LLC·Filed 2016·Granted Sep 15, 2020·1 cites·14 claims
- 3469US10284376B2Code signing system with machine to machine interactionARRIS ENTPR LLC·Filed 2016·Granted May 7, 2019·2 cites·12 claims
- 3569US8898469B2Software feature authorization through delegated agentsCHAN TAT KEUNG·Filed 2011·Granted Nov 25, 2014·6 cites·20 claims
- 3669US8179917B2System and method for repeater in a power line networkCHAN TAT KEUNG·Filed 2007·Granted May 15, 2012·4 cites·19 claims
- 3769US7340771B2System and method for dynamically creating at least one pinhole in a firewallNOKIA CORP·Filed 2003·Granted Mar 4, 2008·14 cites·23 claims
- 3868US10839048B2Key-ladder protected personalization data transcription for provisioningARRIS ENTPR LLC·Filed 2018·Granted Nov 17, 2020·1 cites·19 claims
- 3967US12381716B2Optimized key management for data signing systemsARRIS ENTPR LLC·Filed 2022·Granted Aug 5, 2025·0 cites·19 claims
- 4067US11063753B2Secure distribution of device key sets over a networkARRIS ENTPR LLC·Filed 2019·Granted Jul 13, 2021·1 cites·15 claims
- 4166US11483297B2Method and apparatus for protecting confidential data in an open software stackARRIS ENTPR LLC·Filed 2020·Granted Oct 25, 2022·0 cites·20 claims
- 4266US9485230B2Efficient key generator for distribution of sensitive material from multiple application service providers to a secure element such as a universal integrated circuit card (UICC)Google Technology Holdings LLC·Filed 2015·Granted Nov 1, 2016·1 cites·6 claims
- 4365US8374338B2Transport packet decryption testing in a client deviceGEN INSTRUMENT CORP·Filed 2010·Granted Feb 12, 2013·2 cites·16 claims
- 4464US9912485B2Method and apparatus for embedding secret information in digital certificatesARRIS TECH INC·Filed 2015·Granted Mar 6, 2018·1 cites·11 claims
- 4564US9184917B2Method and system for registering a DRM clientMEDVINSKY ALEXANDER·Filed 2011·Granted Nov 10, 2015·2 cites·17 claims
- 4664US8091122B2Computer program product, apparatus and method for secure HTTP digest response verification and integrity protection in a mobile terminalGUO YILE·Filed 2006·Granted Jan 3, 2012·5 cites·28 claims
- 4763US12008124B2Secure deferred file decryptionARRIS ENTPR LLC·Filed 2021·Granted Jun 11, 2024·0 cites·19 claims
- 4863US11456866B2Key ladder generating a device public keyARRIS ENTPR LLC·Filed 2020·Granted Sep 27, 2022·0 cites·20 claims
- 4963US7387529B2Integrated connector for powerline network and power supplyASOKA USA CORP·Filed 2006·Granted Jun 17, 2008·7 cites·15 claims
- 5063US2022407690A1Key ladder generating a device public keyARRIS ENTPR LLC·Filed 2022·Application pending·0 cites
Showing the top 50 of 103 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tat Keung Chan 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 →