Patents by Inventor Ismo Mäenpää

Ismo Mäenpää 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).

  • Method for presenting proprietary data on a SIM card
    Patent number: 6851606
    Abstract: A method for presenting proprietary information in the SIM card of a mobile station, which includes at least an updatable address space (11), in which there are areas for at least the application data (11.2, 11.3) of different mobile communications network systems and for end-user or similar subscriber data (11.4), as well as a possible microcontroller (10). A proprietary address space (25.1), which contains proprietary information in a set manner, is reserved in the address space (11).
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: February 8, 2005
    Assignee: Nokia Corporation
    Inventors: Ismo Mäenpää , Tero Sillander