Patents by Inventor Friedrich Wichmann

Friedrich Wichmann 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).

  • Device for managing data in a mobile telephone
    Patent number: 6415160
    Abstract: An apparatus for the management of data for the operation of a communications network has a message unit for transmitting and receiving short messages to and from a smart card. The apparatus also has a central management unit. The central management unit has a database that stores smart card-specific data and that stores application-specific data relating to applications stored on the smart card. The number of free memory fields available for an application on the smart card can be determined at any time.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: July 2, 2002
    Assignee: Orga Kartensysteme GmbH
    Inventor: Friedrich Wichmann