Patent assignee · US · COMPANY

Topaz Systems, Inc.

22Patents
15Active
22Granted
41Portfolio score

Filing activity: Dec 18, 1998 → Jul 30, 2019 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6307955A Electronic signature management system Physics 264 Expired
USD532009S1 Integrated signature pad and fingerprint reader General 20 Expired
US7933840B2 Electronic signature security system Electricity 15 Active
US6972754B2 Touchpad stylus having isolated low-mass contact element Physics 14 Expired
US7436397B2 Touchpad stylus having isolated low-mass contact element Physics 12 Active
US7190815B2 Method for authenticating an electronic signature Physics 8 Expired
US7693312B2 Method for authenticating an electronic signature Physics 6 Expired
US7123143B2 Wireless signature management system Physics 4 Expired
US8959353B2 Distributed system for multi-function secure verifiable signer authentication Electricity 4 Active
US7526108B2 Wireless data management system Physics 4 Expired
US9286596B2 Signing ceremony system and method Physics 2 Active
US10397004B2 Distributed system for multi-function secure verifiable signer authentication Electricity 2 Active
US9722799B2 Distributed system for multi-function secure verifiable signer authentication Electricity 1 Active
US9378518B2 Electronic signature security system Electricity 1 Active
US9329720B2 Digitizer Physics 1 Active
US7876930B2 Fingerprint reader combination Physics 1 Active
US8994686B2 Digitizer Physics 0 Active
US8952926B2 Digitizer Physics 0 Active
US9262004B2 Overlay for electronic writing pad Physics 0 Active
US10693721B2 Methods for serial port client server mapping Physics 0 Active
US9323409B2 Digitizer Physics 0 Active
US11526271B2 Electronic signature capture via secure interface Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.