Patents by Inventor Masafumi Takeshima

Masafumi Takeshima 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).

  • Electric cable cutter
    Patent number: D657220
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: April 10, 2012
    Assignee: Izumi Products Company
    Inventors: Masashi Isobe, Masahiro Yokota, Masafumi Takeshima
  • Electric cable cutter
    Patent number: D657221
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: April 10, 2012
    Assignee: Izumi Products Company
    Inventors: Masashi Isobe, Shinichi Miyamoto, Masafumi Takeshima
  • Battery operated oil hydraulic crimping tool
    Patent number: D673829
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: January 8, 2013
    Assignee: Izumi Products Company
    Inventors: Masafumi Takeshima, Masaki Miyazawa
  • Battery operated oil hydraulic crimping tool and middle portion of the same
    Patent number: D696090
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: December 24, 2013
    Assignee: Izumi Products Company
    Inventors: Masafumi Takeshima, Masaki Miyazawa