Inventor · disambiguated record

Chengchu Zhan

Also filed as: ZHAN CHENGCHU

2 granted patents·5 pending applications·0 citations·filing 2013–2021

21Inventor score

Technology areasG06Q

Files withCHINA UNIONPAY CO LTD7

Top patents by PatentIndex Score

7 records

0150US12243044B2Method, terminal device, server, system and storage medium for activating payment functionsCHINA UNIONPAY CO LTD·Filed 2021·Granted Mar 4, 2025·0 cites·13 claims
0249US11875336B2Method and apparatus for migrating payment card, electronic device, server and mediumCHINA UNIONPAY CO LTD·Filed 2021·Granted Jan 16, 2024·0 cites·10 claims
0349US2015287024A1Processing method for failing to read data from non-contact ic card and device for implementing the methodCHINA UNIONPAY CO LTD·Filed 2013·Application pending·0 cites
0448US2023351384A1Card management method, user terminal, server, system and storage mediumCHINA UNIONPAY CO LTD·Filed 2021·Application pending·0 cites
0548US2023237478A1Card management method, user terminal, server, card management system and storage mediumCHINA UNIONPAY CO LTD·Filed 2021·Application pending·0 cites
0646US2023222484A1Method for binding card, terminal device, authentication server and storage mediumCHINA UNIONPAY CO LTD·Filed 2021·Application pending·0 cites
0744US2023058201A1Data processing method, apparatus, device and computer-readable storage mediumCHINA UNIONPAY CO LTD·Filed 2021·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →