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Inventor

Frederick Liu

Inventor
Oakland, CA, US

Overview

7→
Patents
1976–2020
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes56%
G01FMeasuring volume, volume flow, mass flow or liquid level22%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
G01RMeasuring electric variables11%
PatentTitleYear
10,607,212Secure remote payment transaction processing202010,510,073Methods and systems for provisioning mobile devices with payment credentials201910,140,616Risk assessment rule set application for fraud prevention20189,842,336'Risk assessment rule set application for fraud prevention'20178,924,279'Risk assessment rule set application for fraud prevention'20144,835,456'Cryogenic density and mass-flow measurement system'19893,945,253'Apparatus and method for measuring fluid flow over a wide range of fluid flow conditions and viscosities'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Based in Northridge, CA, US· patent location history
2014–2017Patents assigned to VISA USA INC (2)· patent assignee history
2014Patents assigned to BROWN CHRISTOPHER (1)· patent assignee history
2014Patents assigned to DWYER THOMAS (1)· patent assignee history
2014Patents assigned to HILGERS NANCY (1)· patent assignee history
2014–2020Based in Oakland, CA, US· patent location history
2017–2020Patents assigned to VISA INT SERVICE ASS (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VISA INT SERVICE ASS42017–2020
VISA USA INC22014–2017
BROWN CHRISTOPHER12014
DWYER THOMAS12014
HILGERS NANCY12014
Locations
LocationPatentsSpan
Oakland, California, US52014–2020
Northridge, California, US21976–1989