Patents by Inventor Hirofumi Toriyama

Hirofumi Toriyama 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: D381321
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: July 22, 1997
    Assignee: NEC Corporation
    Inventors: Kenichi Yamauchi, Osamu Suzuki, Hirofumi Toriyama, Kouji Yasui, Toru Ichihashi