Patents by Inventor Hideaki Koie

Hideaki Koie 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).

  • Preventive method for plate deformation due to welding in flat plate welded structure
    Patent number: 4890785
    Abstract: A preventive method for thin-gage plate deformation in manufacturing flat plate welded structures, which are constructed by welding thin-gage plates and frames and are used for side-plates, etc. in rolling stocks. The said method comprises preheating the whole thin-gage plate in a heating box for thermal expansion, and welding the thin-gage plate and the frame as the plate is expanded.
    Type: Grant
    Filed: July 1, 1988
    Date of Patent: January 2, 1990
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Akira Sakaguchi, Hideaki Koie