Inventor
O'BRIEN WILLIAM G
CA35 patents
⚠️ This page may combine multiple inventors who share the name “O'BRIEN WILLIAM G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BCE INC
12 patentsUS7930412B2Apr 19, 2011
System and method for secure access
BCE INC75 citations97
US7246744B2Jul 24, 2007
User authentication for contact-less systems
BCE INC56 citations96
US7904952B2Mar 8, 2011
System and method for access control
BCE INC36 citations92
US7774602B2Aug 10, 2010
Secure modem gateway concentrator
BCE INC11 citations83
US7861081B2Dec 28, 2010
Security system and method
BCE INC15 citations80
US7806325B2Oct 5, 2010
Contact-less tag with signature, and applications thereof
BCE INC5 citations74
US7660575B2Feb 9, 2010
Adapter for secure VoIP communications
BCE INC7 citations72
US9037859B2May 19, 2015
Processing of communication device signatures for use in securing nomadic electronic transactions
BCE INC3 citations63
US9971986B2May 15, 2018
Method and system for validating a device that uses a dynamic identifier
BCE INC0 citations52
US9930020B2Mar 27, 2018
Validation method and system for use in securing nomadic electronic transactions
BCE INC1 citations52
US9635002B2Apr 25, 2017
Validation method and system for use in securing nomadic electronic transactions
BCE INC0 citations52
US10726385B2Jul 28, 2020
Contact-less tag with signature, and applications thereof
BCE INC0 citations51
DU PONT
7 patentsUS6294612B1Sep 25, 2001
Highly fluorinated ion exchange/nonfunctional polymer blends
DU PONT26 citations92
US6252000B1Jun 26, 2001
Highly fluorinated ion exchange/nonfunctional polymer blends
DU PONT19 citations92
US4445458AMay 1, 1984
Beveled edge metered bead extrusion coating apparatus
DU PONT48 citations92
US5858066AJan 12, 1999
Process for separating and recovering fluorocarbons and HCI from gaseous mixtures thereof
DU PONT18 citations83
US4259055AMar 31, 1981
Coating apparatus
DU PONT12 citations74
US6156097ADec 5, 2000
CO2 removable from fluorocarbons by semipermeable membrane
DU PONT6 citations57
US6123749ASep 26, 2000
Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane
DU PONT2 citations57
YEAP TET HIN
6 patentsUS8812859B2Aug 19, 2014
Method, system and apparatus for accessing a resource based on data supplied by a local user
YEAP TET HIN4 citations73
US8412638B2Apr 2, 2013
Method and system for validating a device that uses a dynamic identifier
YEAP TET HIN4 citations73
US8762726B2Jun 24, 2014
System and method for secure access
YEAP TET HIN2 citations62
US8553888B2Oct 8, 2013
Generation of communication device signatures for use in securing nomadic electronic transactions
YEAP TET HIN1 citations62
US9231928B2Jan 5, 2016
Validation method and system for use in securing nomadic electronic transactions
YEAP TET HIN0 citations52
US9454657B2Sep 27, 2016
Security access device and method
YEAP TET HIN1 citations45
O'BRIEN WILLIAM G
4 patentsUS9755825B2Sep 5, 2017
Device authentication and secure channel management for peer-to-peer initiated communications
O'BRIEN WILLIAM G16 citations82
US8103872B2Jan 24, 2012
Contact-less tag with signature, and applications thereof
O'BRIEN WILLIAM G4 citations71
US9305282B2Apr 5, 2016
Contact-less tag with signature, and applications thereof
O'BRIEN WILLIAM G0 citations51
US8312279B2Nov 13, 2012
Secure modem gateway concentrator
O'BRIEN WILLIAM G0 citations44
BELL CANADA
3 patentsUS5881132AMar 9, 1999
Method and apparatus for monitoring selected telecommunications sessions in an intelligent switched telephone network
BELL CANADA97 citations95
US6111946AAug 29, 2000
Method and system for providing answer supervision in a switched telephone network
BELL CANADA36 citations92
US6456701B1Sep 24, 2002
Network-centric control of access to transceivers
BELL CANADA6 citations63