Inventor · disambiguated record
Ronald King-Hang Chu
Also filed as: CHU RONALD · CHU RONALD KING-HANG
11 granted patents·277 citations·filing 2001–2024
90Inventor score
Top patents by PatentIndex Score
11 records- 0195US7904946B1Methods and systems for secure user authenticationCITICORP DEV CT INC·Filed 2006·Granted Mar 8, 2011·79 cites·2 claims
- 0294US9002750B1Methods and systems for secure user authenticationCHU RONALD KING-HANG·Filed 2007·Granted Apr 7, 2015·85 cites·30 claims
- 0392US10373141B1Method and system for controlling certificate based open payment transactionsCITICORP CREDIT SERVICES INC USA·Filed 2018·Granted Aug 6, 2019·6 cites·20 claims
- 0492US9768963B2Methods and systems for secure user authenticationCHU RONALD KING-HANG·Filed 2011·Granted Sep 19, 2017·26 cites·19 claims
- 0590US7039812B2System and method for user authenticationCITICORP DEV CT INC·Filed 2001·Granted May 2, 2006·75 cites·82 claims
- 0679US9607292B1Method and system for controlling certificate based open payment transactionsKAWAN JOSEPH C·Filed 2012·Granted Mar 28, 2017·4 cites·19 claims
- 0778US12101409B1Methods and systems for secure user authenticationCITICORP CREDIT SERVICES INC USA·Filed 2024·Granted Sep 24, 2024·0 cites·20 claims
- 0877US11394553B1Methods and systems for secure user authenticationCITICORP CREDIT SERVICES INC USA·Filed 2017·Granted Jul 19, 2022·2 cites·10 claims
- 0975US11917069B1Methods and systems for secure user authenticationCITICORP CREDIT SERVICES INC USA·Filed 2023·Granted Feb 27, 2024·0 cites·20 claims
- 1073US10579977B1Method and system for controlling certificate based open payment transactionsCITICORP CREDIT SERVICES INC USA·Filed 2019·Granted Mar 3, 2020·0 cites·20 claims
- 1159US9928491B1Method and system for controlling certificate based open payment transactionsCITICORP CREDIT SERVICES INC USA·Filed 2017·Granted Mar 27, 2018·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →