Patents by Inventor Masami Toyoshima

Masami Toyoshima 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: D283133
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: March 25, 1986
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichi Nakade, Masami Toyoshima
  • Patent number: D321310
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: November 5, 1991
    Assignee: Top Kogyo Co., Ltd.
    Inventor: Masami Toyoshima
  • Patent number: D321311
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: November 5, 1991
    Assignee: Top Kogyo Co., Ltd.
    Inventor: Masami Toyoshima
  • Patent number: D344503
    Type: Grant
    Filed: March 19, 1992
    Date of Patent: February 22, 1994
    Assignee: Ricoh Company, Ltd.
    Inventors: Masahiro Nakajima, Masami Toyoshima
  • Patent number: D709853
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: July 29, 2014
    Assignee: Furukawa Unic Corporation
    Inventors: Yoshiaki Hirai, Masami Toyoshima