Inventor

CHANG CHING-NU

US3 patents

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

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC

2 patents

US10909608B2Feb 2, 2021

Merchant recommendations associated with a persona

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC3 citations69

US10192256B2Jan 29, 2019

Determining merchant recommendations

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC3 citations69

AMERICAN EXPRESS TRAVEL RELATE

1 patent

US9361627B2Jun 7, 2016

Systems and methods determining a merchant persona

AMERICAN EXPRESS TRAVEL RELATE13 citations80