Inventor · disambiguated record
Ayman Hammad
Also filed as: HAMMAD AYMAN · HAMMAD AYMAN A
267 granted patents·63 pending applications·6,731 citations·filing 2002–2024
99Inventor score
Top patents by PatentIndex Score
330 records- 0199US9280765B2Multiple tokenization for authenticationHAMMAD AYMAN·Filed 2012·Granted Mar 8, 2016·292 cites·26 claims
- 0299US8266205B2Multiple channel optimization for transaction messagesHAMMAD AYMAN·Filed 2010·Granted Sep 11, 2012·104 cites·21 claims
- 0399US8219490B2Payment transaction using mobile phone as relayHAMMAD AYMAN·Filed 2008·Granted Jul 10, 2012·115 cites·25 claims
- 0499US7818264B2Track data encryptionVISA USA INC·Filed 2007·Granted Oct 19, 2010·263 cites·22 claims
- 0598US11501581B2On-line authorization in access environmentVISA USA INC·Filed 2021·Granted Nov 15, 2022·16 cites·18 claims
- 0698US9589268B2Integration of payment capability into secure elements of computersVISA INT SERVICE ASS·Filed 2016·Granted Mar 7, 2017·49 cites·20 claims
- 0798US9355393B2Multi-directional wallet connector apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2013·Granted May 31, 2016·179 cites·24 claims
- 0898US9317848B2Integration of verification tokens with mobile communication devicesVISA INT SERVICE ASS·Filed 2013·Granted Apr 19, 2016·65 cites·21 claims
- 0998US8761809B2Transaction using a mobile device with an accelerometerFAITH PATRICK·Filed 2010·Granted Jun 24, 2014·92 cites·26 claims
- 1098US8645971B2Real-time balance updatesCARLSON MARK·Filed 2007·Granted Feb 4, 2014·118 cites·23 claims
- 1198US8577803B2Virtual wallet card selection apparatuses, methods and systemsCHATTERJEE SAURAV·Filed 2012·Granted Nov 5, 2013·719 cites·12 claims
- 1298US8534564B2Integration of verification tokens with mobile communication devicesHAMMAD AYMAN·Filed 2011·Granted Sep 17, 2013·54 cites·40 claims
- 1398US8489506B2Portable consumer device verification systemHAMMAD AYMAN·Filed 2010·Granted Jul 16, 2013·37 cites·26 claims
- 1498US8453226B2Token validation for advanced authorizationHAMMAD AYMAN·Filed 2011·Granted May 28, 2013·80 cites·18 claims
- 1598US8376227B2Smart sign mobile transit fare paymentHAMMAD AYMAN·Filed 2012·Granted Feb 19, 2013·77 cites·32 claims
- 1698US8352315B2Pre-authorization of a transaction using predictive modelingVISA INT SERVICE ASS·Filed 2010·Granted Jan 8, 2013·53 cites·22 claims
- 1798US8326759B2Verification of portable consumer devicesHAMMAD AYMAN·Filed 2010·Granted Dec 4, 2012·88 cites·16 claims
- 1898US8313022B2Verification of portable consumer device for 3-D secure servicesHAMMAD AYMAN·Filed 2012·Granted Nov 20, 2012·52 cites·20 claims
- 1998US7527208B2Bank issued contactless payment card used in transit fare collectionVISA USA INC·Filed 2006·Granted May 5, 2009·139 cites·11 claims
- 2098US7522905B2Apparatus and method for preventing wireless interrogation of portable consumer devicesVISA USA INC·Filed 2005·Granted Apr 21, 2009·114 cites·27 claims
- 2198US7482925B2Apparatus and method to electromagnetically shield portable consumer devicesVISA U S A·Filed 2005·Granted Jan 27, 2009·168 cites·19 claims
- 2297US11803825B2Multi-directional wallet connector apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2022·Granted Oct 31, 2023·5 cites·20 claims
- 2397US11397931B2Multi-directional wallet connector apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2020·Granted Jul 26, 2022·7 cites·20 claims
- 2497US11107069B2Transaction authentication using networkVISA USA INC·Filed 2018·Granted Aug 31, 2021·13 cites·18 claims
- 2597US10997573B2Verification of portable consumer devicesVISA INT SERVICE ASS·Filed 2020·Granted May 4, 2021·5 cites·20 claims
- 2697US10354240B2Multi-directional wallet connector apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2017·Granted Jul 16, 2019·44 cites·20 claims
- 2797US10089624B2Consumer authentication system and methodHAMMAD AYMAN·Filed 2012·Granted Oct 2, 2018·25 cites·17 claims
- 2897US10043186B2Secure authentication system and methodVISA INT SERVICE ASS·Filed 2017·Granted Aug 7, 2018·18 cites·20 claims
- 2997US9959531B2Multi-directional wallet connector apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2016·Granted May 1, 2018·24 cites·9 claims
- 3097US9792611B2Secure authentication system and methodVISA INT SERVICE ASS·Filed 2015·Granted Oct 17, 2017·28 cites·20 claims
- 3197US9710807B2Third-party value added wallet features and interfaces apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2014·Granted Jul 18, 2017·56 cites·26 claims
- 3297US8843417B2Track data encryptionHAMMAD AYMAN·Filed 2008·Granted Sep 23, 2014·45 cites·18 claims
- 3397US8528067B2Anytime validation for verification tokensHURRY SIMON·Filed 2011·Granted Sep 3, 2013·113 cites·16 claims
- 3497US8447272B2Authentication and human recognition transaction using a mobile device with an accelerometerFAITH PATRICK·Filed 2010·Granted May 21, 2013·39 cites·20 claims
- 3597US8135647B2Consumer authentication system and methodHAMMAD AYMAN·Filed 2007·Granted Mar 13, 2012·41 cites·16 claims
- 3697US7992781B2Merchant alerts incorporating receipt dataVISA INT SERVICE ASS·Filed 2010·Granted Aug 9, 2011·38 cites·20 claims
- 3797US7819322B2Portable consumer device verification systemVISA USA INC·Filed 2007·Granted Oct 26, 2010·48 cites·25 claims
- 3897US7810165B2Portable consumer device configured to generate dynamic authentication dataVISA USA INC·Filed 2007·Granted Oct 5, 2010·44 cites·21 claims
- 3997US7739169B2Restricting access to compromised account informationVISA USA INC·Filed 2008·Granted Jun 15, 2010·48 cites·29 claims
- 4097US6837425B2Compact protocol and solution for substantially offline messaging between portable consumer device and based deviceVISA USA INC·Filed 2002·Granted Jan 4, 2005·142 cites·78 claims
- 4196US10825001B2Multi-directional wallet connector apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2019·Granted Nov 3, 2020·15 cites·20 claims
- 4296US10387871B2Integration of verification tokens with mobile communication devicesVISA INT SERVICE ASS·Filed 2018·Granted Aug 20, 2019·11 cites·20 claims
- 4396US10373138B2System and method for securely validating transactionsHAMMAD AYMAN·Filed 2011·Granted Aug 6, 2019·35 cites·23 claims
- 4496US10192216B2Cloud-based virtual wallet NFC apparatuses, methods and systemsVISA INT SERVICE ASS·Filed 2013·Granted Jan 29, 2019·28 cites·20 claims
- 4596US10049360B2Secure communication of payment information to merchants using a verification tokenVISA INT SERVICE ASS·Filed 2016·Granted Aug 14, 2018·13 cites·17 claims
- 4696US9773212B2Secure anonymous transaction apparatuses, methods and systemsHAMMAD AYMAN·Filed 2012·Granted Sep 26, 2017·33 cites·72 claims
- 4796US9424413B2Integration of payment capability into secure elements of computersHAMMAD AYMAN·Filed 2012·Granted Aug 23, 2016·29 cites·23 claims
- 4896US9424603B2Mobile location notifications system and methodHAMMAD AYMAN·Filed 2012·Granted Aug 23, 2016·71 cites·18 claims
- 4996US9105027B2Verification of portable consumer device for secure servicesHAMMAD AYMAN·Filed 2011·Granted Aug 11, 2015·26 cites·26 claims
- 5096US9038886B2Verification of portable consumer devicesHAMMAD AYMAN·Filed 2010·Granted May 26, 2015·30 cites·30 claims
Showing the top 50 of 330 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →