Patents by Inventor Kazutomo Yagi

Kazutomo Yagi 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).

  • Method of making shackle
    Patent number: 4354344
    Abstract: A method of making a shackle is disclosed. Both ends of a round bar are upset and are then formed into circular heads which are bored through. The round bar is later bent into a U at its middle part to form the shackle body, and the indicating letters are bulged out on the shackle body and surrounded by a depressed island.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: October 19, 1982
    Assignee: Kyoritsu Manufacturing Co., Ltd.
    Inventor: Kazutomo Yagi