Inventor

HAMMAD AYMAN

US252 patents

⚠️ This page may combine multiple inventors who share the name “HAMMAD AYMAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAMMAD AYMAN

VISA USA INC

Track data encryption

Compact protocol and solution for substantially offline messaging between portable consumer device and base device

Compact protocol and solution for substantially offline messaging between portable consumer device and based device

Portable consumer device verification system

Method and system for generating a dynamic verification value

Restricting access to compromised account information

Bank issued contactless payment card used in transit fare collection

Apparatus and method for preventing wireless interrogation of portable consumer devices

Asymmetrical contactless data card with off-center aperture

Symmetrical contactless data card with off center aperture and shield

Portable consumer device configured to generate dynamic authentication data

Signature based negative list for off line payment device validation

On-line authorization in access environment

Symmetrical contactless data card with off-center aperture

Method and system for facilitating memory and application management on a secured token

Real time balance on card plastic

Transaction authentication using network

HAMMAD AYMAN

Multiple tokenization for authentication

Multiple channel optimization for transaction messages

Payment transaction using mobile phone as relay

Consumer authentication system and method

Track data encryption

Integration of verification tokens with mobile communication devices

Portable consumer device verification system

Token validation for advanced authorization

Smart sign mobile transit fare payment

Verification of portable consumer devices

Consumer authentication system and method

Smart sign mobile transit fare payment

Verification of portable consumer device for 3-D secure services

Mobile location notifications system and method

System and method for securely validating transactions

VISA INT SERVICE ASS

Integration of payment capability into secure elements of computers

Multi-directional wallet connector apparatuses, methods and systems

Integration of verification tokens with mobile communication devices

Pre-authorization of a transaction using predictive modeling

Multi-directional wallet connector apparatuses, methods and systems

Third-party value added wallet features and interfaces apparatuses, methods and systems

Multi-directional wallet connector apparatuses, methods and systems

Cloud-based virtual wallet NFC apparatuses, methods and systems

FAITH PATRICK

Transaction using a mobile device with an accelerometer

Authentication and human recognition transaction using a mobile device with an accelerometer

GRANUCCI NICOLE JANINE

Real-time balance on a mobile phone

Real-time card credit limit on card plastic

CARLSON MARK

Real-time balance updates

VISA U S A

Apparatus and method to electromagnetically shield portable consumer devices

HURRY SIMON

Anytime validation for verification tokens

CHATTERJEE SAURAV

Virtual wallet card selection apparatuses, methods and systems

LEVY PHILIPPE

Method and system for facilitating memory and application management on a secured token

VISA INTERNAT SERVICE ASSOCATION

Verification of portable consumer devices