Patents by Inventor Marcel Berthel

Marcel Berthel 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).

  • SEMICONDUCTOR MEMORY DEVICE AND METHOD WITH A CHANGEABLE SUBSTRATE POTENTIAL
    Publication number: 20080198676
    Abstract: A semiconductor memory device and method with a changeable substrate potential. One embodiment provides for operating a semiconductor memory device having at least one read or write/sense amplifier. The method includes changing the substrate potential of the read or write/sense amplifier.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 21, 2008
    Applicant: QIMONDA AG
    Inventors: Marcel Berthel, Axel Strobel, Dominique Savignac, Helmut Schneider