Patents by Inventor Christoph Filser

Christoph Filser 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).

  • Patent number: 6209790
    Abstract: A data medium in card form has a least one semiconductor memory element with a storage capacity of at least one megabit and has electroplated contacts for transmission of data between a data processing system the semiconductor memory elements of the data medium. Electrical conductor paths on the data medium connect the semiconductor memory element to the electroplated contacts. The electrical conductor paths are a single leadframe on which at least parts of the electroplated contacts are integrally formed. The leadframe is formed of a resilient material.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: April 3, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Detlef Houdeau, Josef Kirschbauer, Christoph Filser