Patents by Inventor Kouichi Sumigama

Kouichi Sumigama 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).

  • Forklift truck
    Patent number: D722214
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: February 3, 2015
    Assignee: Kabushiki Kaisha Toyota Jidoshokki
    Inventors: Tadayuki Yakushi, Kouichi Sumigama, Yoshitaka Sato
  • Forklift truck
    Patent number: D763538
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: August 9, 2016
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kouichi Sumigama, Yoshitaka Sato