P

Inventor

MADDUKURI AJAY B

US12 patents

Patents

12 patents
US9613306B2Apr 4, 2017

Magnetic card swipe emulation systems and methods

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC8 citations83
US12020243B2Jun 25, 2024

Magnetic card swipe emulation systems and methods

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC2 citations72
US11620641B1Apr 4, 2023

Systems and methods for in-application and in-browser purchases

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC2 citations72
US11361314B1Jun 14, 2022

Transaction device use of a dynamically generated value based on a next expected session key

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC2 citations72
US10997590B2May 4, 2021

Systems and methods for in-application and in-browser purchases

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC3 citations72
US11182793B2Nov 23, 2021

Systems and methods for transaction account tokenization

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC2 citations71
US12530682B2Jan 20, 2026

Card swipe emulation systems and methods

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations61
US12165132B2Dec 10, 2024

Systems and methods for in-application and in-browser purchases

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations61
US10929844B2Feb 23, 2021

Transaction device use of a dynamically generated value based on a next expected session key

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations61
US10423953B2Sep 24, 2019

Transaction device use of a dynamically generated value based on a next expected session key

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations51
US9972007B2May 15, 2018

Next expected session key

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations51
US10009324B2Jun 26, 2018

Host card emulation systems and methods

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations48