Patents by Inventor Sumiko Someya

Sumiko Someya 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).

  • Portable computer
    Patent number: D435549
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: December 26, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Yoshiaki Amano, Daisuke Iseki, Nobuhiro Kato, Tatsuhiko Matsuoka, Sumiko Someya, Taisuke Kashima, Asako Katayama