Patents by Inventor Setsuzi Minehisa

Setsuzi Minehisa 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).

  • Arc welding method and arc welding apparatus
    Patent number: 4074105
    Abstract: This invention provides arc welding methods and arc welding apparatus which weld materials by giving a plastic deformation of definite curvature to wire itself in a process before supplying the wire to a welding nozzle, restoring the wire delivered from the welding nozzle to the plastic deformation of definite curvature, delivering rotatively the end of the wire in a definite period from a delivery hole of the welding nozzle in butt welding of thick board, especially narrow gap welding.
    Type: Grant
    Filed: November 21, 1975
    Date of Patent: February 14, 1978
    Assignee: Hitachi Shipbuilding & Engineering Co., Ltd.
    Inventors: Setsuzi Minehisa, Tatuo Inui, Hitoshi Fukuda