Patents by Inventor Toshihiko Imaeda

Toshihiko Imaeda 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).

  • Welding wire straightening device and welding torch
    Patent number: 4898317
    Abstract: A device for straightening a welding wire which includes a box-shaped frame of a generally rectangular configuration through which a welding wire is fed, and a plurality of pairs of wire straightening rollers mounted on the frame in longitudinally spaced-apart aligned relation along the path of wire feed, the pairs of rollers each having roller surfaces in transversely spaced-apart opposed relation, and the adjacent pair of rollers being located at a desired phase angle relative to each other.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: February 6, 1990
    Assignee: Daido Tokushuko Kabushiki Kaisha
    Inventors: Shigeo Ito, Toshihiko Imaeda, Ryuhei Takagi, Ryutaro Sato