Inventor · disambiguated record
Ching-Nu Chang
Also filed as: CHANG CHING-NU
3 granted patents·19 citations·filing 2013–2018
68Inventor score
Technology areasG06Q
Top patents by PatentIndex Score
3 records- 0189US9361627B2Systems and methods determining a merchant personaAMERICAN EXPRESS TRAVEL RELATE·Filed 2013·Granted Jun 7, 2016·13 cites·20 claims
- 0286US10909608B2Merchant recommendations associated with a personaAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Feb 2, 2021·3 cites·19 claims
- 0384US10192256B2Determining merchant recommendationsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2016·Granted Jan 29, 2019·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →