Patents by Inventor Yoshiharu Ootomo

Yoshiharu Ootomo 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).

  • Traction apparatus and rope take-up mechanism of traction apparatus
    Patent number: 8821428
    Abstract: A traction apparatus which impresses a desired traction force to a body to be pulled is provided.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: September 2, 2014
    Assignee: Ito Co., Ltd.
    Inventors: Noboru Tanaka, Yoshiharu Ootomo, Toshimasa Sakagami
  • TRACTION APPARATUS AND ROPE TAKE-UP MECHANISM OF TRACTION APPARATUS
    Publication number: 20100137772
    Abstract: A traction apparatus which impresses a desired traction force to a body to be pulled is provided.
    Type: Application
    Filed: August 6, 2007
    Publication date: June 3, 2010
    Applicant: ITO CO., LTD.
    Inventors: Noboru Tanaka, Yoshiharu Ootomo, Toshimasa Sakagami