Inventor · Oakland, CA, US

Frederick Liu

15Patents
5h-index
23Co-inventors
66Inventor score

Filing activity: Mar 28, 1974 → Jun 16, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4835456A Cryogenic density and mass-flow measurement system Physics 17 Expired
US3945253A Apparatus and method for measuring fluid flow over a wide range of fluid flow conditions and viscosities Physics 15 Expired
US10510073B2 Methods and systems for provisioning mobile devices with payment credentials Physics 14 Active
US10607212B2 Secure remote payment transaction processing Physics 12 Active
US8924279B2 Risk assessment rule set application for fraud prevention Physics 11 Active
US11341429B1 Distributed machine learning for improved privacy Electricity 4 Active
US9842336B2 Risk assessment rule set application for fraud prevention Physics 4 Active
US11055694B2 Secure remote payment transaction processing Physics 3 Active
US10140616B2 Risk assessment rule set application for fraud prevention Physics 1 Active
US11809972B2 Distributed machine learning for improved privacy Electricity 0 Active
US12361409B2 Methods and systems for provisioning mobile devices with payment credentials Physics 0 Active
US11089482B2 System and method for correlating diverse location data for data security Electricity 0 Active
US12198124B2 Secure remote payment transaction processing Physics 0 Active
US11392939B2 Methods and systems for provisioning mobile devices with payment credentials Physics 0 Active
US12003959B2 System and method for correlating diverse location data for data security Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.