Chan; Tat Keung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chan; Tat Keung.The latest application filed is for "configurable code signing system and method".

Company Profile

13.69.85

Chan; Tat Keung - San Diego CA
Chan; Tat Keung - South San Francisco CA US
Chan; Tat Keung - Sourth San Francisco CA
Chan; Tat Keung - So. San Francisco CA
Chan; Tat Keung - Wakefield MA
Chan; Tat Keung - La Jolla CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Key ladder generating a device public key Grant 11,456,866 - Medvinsky , et al. September 27, 2	2022-09-27
Certificate-based client authentication and authorization for automated interface Grant 11,444,935 - Chan , et al. September 13, 2	2022-09-13
Key-ladder protected personalization data conversion from global to unique encryption Grant 11,329,967 - Chan , et al. May 10, 2	2022-05-10
Configurable Code Signing System And Method App 20220129557 - Chan; Tat Keung ; et al.	2022-04-28
Configurable code signing system and method Grant 11,250,133 - Chan , et al. February 15, 2	2022-02-15
Generic Code Signing Client With Downloadable Modules App 20210409229 - Chan; Tat Keung ; et al.	2021-12-30
Configurable Code Signing System And Method App 20210397677 - Chan; Tat Keung ; et al.	2021-12-23
Secure Distribution Of Device Key Sets Over A Network App 20210320789 - Medvinsky; Alexander ; et al.	2021-10-14
Secure Online Issuance Of Customer-specific Certificates With Offline Key Generation App 20210306161 - Medvinsky; Alexander ; et al.	2021-09-30
Secure Deferred File Decryption App 20210248259 - Zheng; Jinsong ; et al.	2021-08-12
Secure distribution of device key sets over a network Grant 11,063,753 - Medvinsky , et al. July 13, 2	2021-07-13
Certificate-based Client Authentication And Authorization For Automated Interface App 20210194704 - Chan; Tat Keung ; et al.	2021-06-24
Generic code signing client with downloadable modules Grant 11,032,084 - Chan , et al. June 8, 2	2021-06-08
Embedding information in elliptic curve base point Grant 11,005,656 - Chan , et al. May 11, 2	2021-05-11
Secure deferred file decryption Grant 10,990,691 - Zheng , et al. April 27, 2	2021-04-27
Key Ladder Generating A Device Public Key App 20210028933 - Medvinsky; Alexander ; et al.	2021-01-28
Method And Apparatus For Protecting Confidential Data In An Open Software Stack App 20200403980 - Mullen; Brian D. ; et al.	2020-12-24
Key-ladder Protected Personalization Data Conversion From Global To Unique Encryption App 20200374275 - Chan; Tat Keung ; et al.	2020-11-26
Key-ladder protected personalization data transcription for provisioning Grant 10,839,048 - Chan , et al. November 17, 2	2020-11-17
Secure Distribution Of Device Key Sets Over A Network App 20200304299 - Medvinsky; Alexander ; et al.	2020-09-24
Method and apparatus for protecting confidential data in an open software stack Grant 10,778,654 - Mullen , et al. Sept	2020-09-15
Generic Code Signing Client With Downloadable Modules App 20200186359 - Chan; Tat Keung ; et al.	2020-06-11
Embedding Information In Elliptic Curve Base Point App 20200186346 - Chan; Tat Keung ; et al.	2020-06-11
Secure large volume feature license provisioning system Grant 10,515,193 - Zheng , et al. Dec	2019-12-24
Secure Deferred File Decryption App 20190347435 - Zheng; Jinsong ; et al.	2019-11-14
Internet of things (IOT) method for updating a master key Grant 10,348,489 - Medvinsky , et al. July 9, 2	2019-07-09
Code signing system with machine to machine interaction Grant 10,284,376 - Shahabuddin , et al.	2019-05-07
Code signing system with machine to machine interaction Grant 10,284,374 - Medvinsky , et al.	2019-05-07
Cryptographic service with output redirection Grant 10,270,742 - Chan , et al.	2019-04-23
Key-ladder Protected Personalization Data Transcription For Provisioning App 20180336321 - Chan; Tat Keung ; et al.	2018-11-22
Method And Apparatus For Protecting Confidential Data In An Open Software Stack App 20180083933 - Mullen; Brian D. ; et al.	2018-03-22
Method and apparatus for embedding secret information in digital certificates Grant 9,912,485 - Chan , et al. March 6, 2	2018-03-06
Real time key collection in device provisioning Grant 9,912,771 - Sprunk , et al. March 6, 2	2018-03-06
Secure Large Volume Feature License Provisioning System App 20170220780 - Zheng; Jinsong ; et al.	2017-08-03
Secure large volume feature license provisioning system Grant 9,646,332 - Zheng , et al. May 9, 2	2017-05-09
Internet of Things (IOT) Method for Updating a Master Key App 20170126402 - Medvinsky; Alexander ; et al.	2017-05-04
Cryptographic Service With Output Redirection App 20170085532 - Chan; Tat Keung ; et al.	2017-03-23
Code Signing System With Machine To Machine Interaction App 20160365981 - Medvinsky; Alexander ; et al.	2016-12-15
Code Signing System With Machine To Machine Interaction App 20160365983 - Shahabuddin; Reshma T. ; et al.	2016-12-15
Efficient key generator for distribution of sensitive material from multiple application service providers to a secure element such as a universal integrated circuit card (UICC) Grant 9,485,230 - Nakhjiri , et al. November 1, 2	2016-11-01
Method and apparatus for group licensing of device features Grant 9,460,272 - Zheng , et al. October 4, 2	2016-10-04
Provisioning DRM credentials on a client device using an update server Grant 9,438,584 - Chan , et al. September 6, 2	2016-09-06
Efficient Key Generator For Distribution Of Sensitive Material From Multiple Application Service Providers To A Secure Element Such As A Universal Integrated Circuit Card (uicc) App 20160021075 - Nakhjiri; Madjid ; et al.	2016-01-21
Internet key exchange protocol using security associations Grant 9,231,759 - Chan , et al. January 5, 2	2016-01-05
Efficient key generator for distribution of sensitive material from multiple application service providers to a secure element such as a universal integrated circuit card (UICC) Grant 9,210,138 - Nakhjiri , et al. December 8, 2	2015-12-08
Method And Apparatus For Embedding Secret Information In Digital Certificates App 20150333915 - Chan; Tat Keung ; et al.	2015-11-19
Provisioning Drm Credentials On A Client Device Using An Update Server App 20150326563 - Chan; Tat Keung ; et al.	2015-11-12
Method and system for registering a DRM client Grant 9,184,917 - Medvinsky , et al. November 10, 2	2015-11-10
Locating network resources for an entity based on its digital certificate Grant 9,178,869 - Nakhjiri , et al. November 3, 2	2015-11-03
Real Time Key Collection In Device Provisioning App 20150296035 - Sprunk; Eric J. ; et al.	2015-10-15
Framework for provisioning devices with externally acquired component-based identity data Grant 9,160,723 - Yao , et al. October 13, 2	2015-10-13
Downloadable security based on certificate status Grant 8,997,252 - Medvinsky , et al. March 31, 2	2015-03-31
Method And Apparatus For Group Licensing Of Device Features App 20150013015 - Zheng; Jinsong ; et al.	2015-01-08
Software feature authorization through delegated agents Grant 8,898,469 - Chan , et al. November 25, 2	2014-11-25
System and method for cognizant transport layer security (CTLS) Grant 8,856,509 - Nakhjiri , et al. October 7, 2	2014-10-07
Method and system for power line networking for industrial process control applications Grant 8,797,150 - Chan August 5, 2	2014-08-05
Method And System For Powerline To Meshed Network For Power Meter Infra-structure App 20140176340 - LIANG; Ray ; et al.	2014-06-26
Efficient Key Generator For Distribution Of Sensitive Material From Multiple Application Service Providers To A Secure Element Such As A Universal Integrated Circuit Card (uicc) App 20140082359 - Nakhjiri; Madjid ; et al.	2014-03-20
Efficient Key Generator For Distribution Of Sensitive Material From Mulitple Application Service Providers To A Secure Element Such As A Universal Integrated Circuit Card (uicc) App 20140082358 - Nakhjiri; Madjid ; et al.	2014-03-20
System And Method For Transcoding Content App 20140029747 - Kamieniecki; John P. ; et al.	2014-01-30
Revocation list update for devices Grant 8,589,674 - Medvinsky , et al. November 19, 2	2013-11-19
Method and system for automated power meter infrastructure Grant 8,581,743 - Chan , et al. November 12, 2	2013-11-12
Authentication In Communications Networks App 20130297940 - Chan; Tat Keung ; et al.	2013-11-07
Feature Licensing Framework For Third Party Feature Credit Management App 20130185173 - Zheng; Jinsong ; et al.	2013-07-18
Revocation List Update For Devices App 20130185551 - Medvinsky; Alexander ; et al.	2013-07-18
Authentication in communications networks Grant 8,484,467 - Chan , et al. July 9, 2	2013-07-09
Method And System For Automated Power Meter Infrastructure App 20130154850 - CHAN; Tat-Keung ; et al.	2013-06-20
Method And System For Isolating Local Area Networks Over A Co-axial Wiring For Energy Management App 20130117584 - CHAN; Tat-Keung ; et al.	2013-05-09
Method and system for isolating local area networks over a co-axial wiring for energy management Grant 8,385,083 - Chan , et al. February 26, 2	2013-02-26
Method And System For Intelligent Energy Network Management Control System App 20130046412 - CHAN; Tat-Keung ; et al.	2013-02-21
Transport packet decryption testing in a client device Grant 8,374,338 - Chan , et al. February 12, 2	2013-02-12
Apparatus, method and computer program product providing mobile node identities in conjunction with authentication preferences in generic bootstrapping architecture (GBA) Grant 8,353,011 - Bajko , et al. January 8, 2	2013-01-08
Method And System For Registering A Drm Client App 20120303951 - Medvinsky; Alexander ; et al.	2012-11-29
Enhanced authorization process using digital signatures Grant 8,321,663 - Medvinsky , et al. November 27, 2	2012-11-27
Method and system for intelligent energy network management control system Grant 8,319,627 - Chan , et al. November 27, 2	2012-11-27
Method And System For Intelligent Energy Network Management Control System App 20120269199 - CHAN; Tat Keung ; et al.	2012-10-25
Method and system for intelligent energy network management control system Grant 8,269,622 - Chan , et al. September 18, 2	2012-09-18
Secure Automated Feature License Update System And Methods App 20120204269 - Gardner; Christopher P. ; et al.	2012-08-09
Secure Large Volume Feature License Provisioning System App 20120143766 - Zheng; Jinsong ; et al.	2012-06-07
System and method for repeater in a power line network Grant 8,179,917 - Chan , et al. May 15, 2	2012-05-15
Thermal management method and device for powerline communications Grant 8,157,581 - Chan April 17, 2	2012-04-17
System And Method For Cognizant Transport Layer Security (ctls) App 20120042160 - Nakhjiri; Madjid F. ; et al.	2012-02-16
Network entity, method and computer program product for dynamically changing a request for location information Grant 8,099,112 - Krishnamurthi , et al. January 17, 2	2012-01-17
Method, apparatus and computer program product providing bootstrapping mechanism selection in generic bootstrapping architecture (GBA) Grant 8,087,069 - Bajko , et al. December 27, 2	2011-12-27
High speed power line network connector and method for power line networking Grant 8,050,285 - Chan November 1, 2	2011-11-01
Locating Network Resources for an Entity based on its Digital Certificate App 20110246646 - Nakhjiri; Madjid F. ; et al.	2011-10-06
Software Feature Authorization Through Delegated Agents App 20110197077 - Chan; Tat Keung ; et al.	2011-08-11
Generic Feature Licensing Framework App 20110196793 - Zheng; Jinsong ; et al.	2011-08-11
Enhanced Authorization Process Using Digital Signatures App 20110161661 - Medvinsky; Alexander ; et al.	2011-06-30
System For Remote Control Of Packaged Terminal Air Conditioner And Heaters With Wireless Remote Control Systems App 20110112692 - CHAN; Tat Keung	2011-05-12
System For Using A Plurality Of Remote Sensing Devices For Energy Management App 20110054700 - CHAN; Tat Keung ; et al.	2011-03-03
Method And System For Midi Control Over Powerline Communications App 20110041672 - CHAN; Tat Keung ; et al.	2011-02-24
Furnace And Central Cooling Apparatus Configured With Powerline Communication For Energy Management App 20110042469 - Chan; Tat Keung ; et al.	2011-02-24
Energy module design Grant D628,922 - Chan December 14, 2	2010-12-14
Downloadable Security Based On Certificate Status App 20100313014 - Medvinsky; Alexander ; et al.	2010-12-09
Method and apparatus for refreshing keys within a bootstrapping architecture Grant 7,835,528 - Bajko , et al. November 16, 2	2010-11-16
Method And System For Isolating Local Area Networks Over A Co-axial Wiring For Energy Management App 20100284163 - CHAN; Tat Keung ; et al.	2010-11-11
Power line outlet strip and method for powerline communications Grant 7,813,099 - Chan October 12, 2	2010-10-12
Method And System For Intelligent Energy Network Management Control System App 20100238003 - Chan; Tat Keung ; et al.	2010-09-23
Transport Packet Decryption Testing In A Client Device App 20100215171 - Chan; Tat Keung ; et al.	2010-08-26
Non-intrusive method and system for coupling powerline communications signals to a powerline network Grant 7,778,152 - Chan August 17, 2	2010-08-17
Method and system for virtual powerline local area networks Grant 7,769,907 - Chan , et al. August 3, 2	2010-08-03
Non-intrusive Method And System For Coupling Powerline Communications Signals To A Powerline Network App 20090207924 - CHAN; TAT KEUNG	2009-08-20
System and Method for Repeater in a Power Line Network App 20090135848 - Chan; Tat Keung ; et al.	2009-05-28
Method and system for virtual powerline local area networks Grant 7,461,174 - Chan , et al. December 2, 2	2008-12-02
Powerline communication system and method using coupler design for additional users Grant 7,457,885 - Chan , et al. November 25, 2	2008-11-25
Powerline communication system and method using coupler design for additional users Grant 7,426,581 - Chan , et al. September 16, 2	2008-09-16
Method And System For Virtual Powerline Local Area Networks App 20080215762 - Chan; Tat Keung ; et al.	2008-09-04
High Speed Power Line Network Connector And Method For Power Line Networking App 20080205450 - Chan; Tat Keung	2008-08-28
Method and system for virtual powerline local area networks Grant 7,415,541 - Chan , et al. August 19, 2	2008-08-19
Integrated connector for powerline network and power supply Grant 7,413,471 - Chan August 19, 2	2008-08-19
Internal powerline power supply method and system Grant 7,401,239 - Chan , et al. July 15, 2	2008-07-15
Thermal Management Method And Device For Powerline Communications App 20080165463 - Chan; Tat Keung	2008-07-10
Integrated connector for powerline network and power supply Grant 7,387,529 - Chan June 17, 2	2008-06-17
Method And System For Virtual Powerline Local Area Networks App 20080094187 - Chan; Tat Keung ; et al.	2008-04-24
Accessing an IP multimedia subsystem via a wireless local area network App 20080095070 - Chan; Tat Keung ; et al.	2008-04-24
Method And System For Power Line Networking For Industrial Process Control Applications App 20080088419 - Chan; Tat Keung	2008-04-17
System and method for dynamically creating at least one pinhole in a firewall Grant 7,340,771 - Chan , et al. March 4, 2	2008-03-04
Method And System For Powerline Local Area Networks Over Coaxial Cable App 20070259644 - Chan; Tat Keung ; et al.	2007-11-08
Authentication in communications networks App 20070204160 - Chan; Tat Keung ; et al.	2007-08-30
Power line outlet strip and method for powerline communications App 20070156927 - Chan; Tat Keung	2007-07-05
Powerline Communication System And Method Using Coupler Design For Additional Users App 20070127591 - Chan; Tat Keung ; et al.	2007-06-07
Re-Keying in a Generic Bootstrapping Architecture Following Handover of a Mobile Terminal App 20070124587 - Krishnamurthi; Govindarajan ; et al.	2007-05-31
Power line communication and AC power outlet apparatus and method App 20070082649 - Chan; Tat Keung	2007-04-12
Method and apparatus for refreshing keys within a bootstrapping architecture App 20070074275 - Bajko; Gabor ; et al.	2007-03-29
Security of virtual computing platforms App 20070073858 - Lakshmi Narayanan; Ram Gopal ; et al.	2007-03-29
Method and system for virtual pwerline local area networks App 20070033296 - Chan; Tat Keung ; et al.	2007-02-08
Method, apparatus and computer program product providing bootstrapping mechanism selection in generic bootstrapping architecture (GBA) App 20060282882 - Bajko; Gabor ; et al.	2006-12-14
Apparatus, method and computer program product providing mobile node identities in conjunction with authentication preferences in generic bootstrapping architecture (GBA) App 20060280305 - Bajko; Gabor ; et al.	2006-12-14
System and method for effectuating a connection to a network App 20060274695 - Krishnamurthi; Govindarajan ; et al.	2006-12-07
Network entity, method and computer program product for dynamically changing a request for location information App 20060258371 - Krishnamurthi; Govindarajan ; et al.	2006-11-16
Method and system for virtual powerline local area networks Grant 7,136,936 - Chan , et al. November 14, 2	2006-11-14
Method and system for virtual powerline local area networks App 20060223364 - Chan; Tat Keung ; et al.	2006-10-05
Integrated connector for powerline network and power supply App 20060199427 - Chan; Tat Keung	2006-09-07
Internal powerline power supply method and system App 20060193110 - Chan; Tat Keung ; et al.	2006-08-31
Powerline communication system and method using coupler design for additional users App 20060176898 - Chan; Tat Keung ; et al.	2006-08-10
Method for negotiating multiple security associations in advance for usage in future secure communication App 20060095767 - Krishnamurthi; Govindarajan ; et al.	2006-05-04
Integrated connector for powerline network and power supply App 20050208825 - Chan, Tat Keung	2005-09-22
Method and system for virtual powerline local area networks App 20050076148 - Chan, Tat Keung ; et al.	2005-04-07
System and method for dynamically creating at least one pinhole in a firewall App 20040255156 - Chan, Tat Keung ; et al.	2004-12-16