Inventor · Anoka, MN, US

Thomas R. Markham

24Patents
13h-index
25Co-inventors
81Inventor score

Filing activity: Apr 17, 1992 → Oct 13, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5276735A Data enclave and trusted path system Physics 726 Expired
US5502766A Data enclave and trusted path system Physics 333 Expired
US8272053B2 Physical security management system Physics 213 Active
US5596718A Secure computer network using trusted path subsystem which encrypts/decrypts and communicates with user through local workstation user I/O devices without utilizing workstation processor Physics 146 Expired
US7315801B1 Network security modeling system and method Electricity 122 Expired
US5822435A Trusted path subsystem for workstations Physics 87 Expired
US5796836A Scalable key agile cryptography Emerging Cross-Sectional Technologies 73 Expired
US7594262B2 System and method for secure group communications Electricity 65 Expired
US7536715B2 Distributed firewall system and method Electricity 64 Expired
US8089340B2 Real-time screening interface for a vehicle screening system Physics 47 Active
US7308706B2 Associative policy model Electricity 39 Expired
US7231664B2 System and method for transmitting and receiving secure data in a virtual private group Electricity 32 Expired
US7996201B2 Network security modeling system and method Electricity 17 Active
US10124750B2 Vehicle security module system Electricity 12 Active
US8620487B2 For a kiosk for a vehicle screening system Physics 10 Active
US9635029B2 Role-based access control permissions Electricity 5 Active
US9503478B2 Policy-based secure communication with automatic key management for industrial control and automation systems Electricity 4 Active
US8572404B2 Security and safety manager implementation in a multi-core processor Physics 4 Active
US8160371B2 System for finding archived objects in video data Physics 2 Active
US10728249B2 Approach for securing a vehicle access port Electricity 2 Active
US8892854B2 Devices that receive data while not directly powered Emerging Cross-Sectional Technologies 0 Active
US8819833B2 Assured pipeline threat detection Electricity 0 Active
US8803666B2 Universal access device Physics 0 Active
US11057213B2 Authentication system for electronic control unit on a bus Electricity 0 Active

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