Patents by Inventor Dimitrios Markakis

Dimitrios Markakis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for controlling access to computer code in an IC card
    Patent number: 6742120
    Abstract: In a multiple application card system including an IC card comprising a microprocessor, a read-only memory, a random access memory and an electronically erasable programmable read only memory, a system for controlling access to one or more sets of programming instructions embedded in said read-only memory comprising means for storing on said IC card for at least one application loaded onto said card at least one access flag having a value indicating whether or not access by the at least one application to the at least one set of programming instructions shall be granted and means dependent on said value for allowing access to one or more sets of programming instructions.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: May 25, 2004
    Assignee: Mondex International Limited
    Inventors: Dimitrios Markakis, Barry Hochfield, John Beric, David Anthony Roberts