Patents by Inventor Byong Guk Park

Byong Guk Park 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).

  • Magnetoresistive device
    Patent number: 7939870
    Abstract: A magnetoresistive device comprises a ferromagnetic region, a non-ferromagnetic region, an insulating region and a conductive region. The insulating region is arranged between the ferromagnetic region and the conductive region so as to provide a tunnel barrier. The non-ferromagnetic region separates the insulating region and the ferromagnetic region.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: May 10, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Joerg Wunderlich, Byong Guk Park, Alexander Shick, Tomas Jungwirth, Frantisek Maca
  • MAGNETORESISTIVE DEVICE
    Publication number: 20090146232
    Abstract: A magnetoresistive device comprises a ferromagnetic region, a non-ferromagnetic region, an insulating region and a conductive region. The insulating region is arranged between the ferromagnetic region and the conductive region so as to provide a tunnel barrier. The non-ferromagnetic region separates the insulating region and the ferromagnetic region.
    Type: Application
    Filed: November 26, 2008
    Publication date: June 11, 2009
    Inventors: Joerg Wunderlich, Byong Guk Park, Alexander Shick, Tomas Jungwirth, Frantisek Maca