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YOO DAVID
US7 patents
Top patents by PatentIndex Score
US8583496B2Nov 12, 2013
Systems and methods to process payments via account identifiers and phone numbers
YOO DAVID92 citations94
US8417698B2Apr 9, 2013
Systems and methods to provide search based on social graphs and affinity groups
YOO DAVID37 citations93
US8615437B2Dec 24, 2013
Transaction authentication with a non-MSISDN ID and authorization by communicating with a consumer device
YOO DAVID17 citations83
US8630904B2Jan 14, 2014
Transaction authentication with a variable-type user-stored account identifier
YOO DAVID4 citations72
US8799162B2Aug 5, 2014
Pass-through payment system
YOO DAVID2 citations61
US9898738B2Feb 20, 2018
Transaction authentication with a variable-type user-stored account identifier
YOO DAVID0 citations51
US8688512B2Apr 1, 2014
Offer insertion system
YOO DAVID0 citations40