Patents by Inventor Atuhiko Urushihara

Atuhiko Urushihara 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: D332794
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: January 26, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Hiroto Takita, Takanori Nishiyama, Atuhiko Urushihara, Akira Takahashi, Akira Ohkura