Patents by Inventor Sigeo Fujiwara

Sigeo Fujiwara 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).

  • Printing machine
    Patent number: D412525
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: August 3, 1999
    Assignee: Ryobi Ltd.
    Inventors: Yuichiro Tachibana, Nobuhiko Karafuji, Katsushi Hirokawa, Sigeo Fujiwara