Patents by Inventor Shigeki Unoki

Shigeki Unoki 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).

  • Metal bending methods and apparatus
    Patent number: 4062216
    Abstract: This invention relates to methods and apparatus for accomplishing bending work on long metal materials such as pipe, bar and rod.
    Type: Grant
    Filed: July 8, 1975
    Date of Patent: December 13, 1977
    Assignee: Daiichi Koshuha Kogyo Kabushiki Kaisha
    Inventors: Yukimitsu Hanamoto, Shigeki Unoki