Patents by Inventor Masaaki Kosho

Masaaki Kosho 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).

  • Patent number: 4309587
    Abstract: Surfacing is conducted with horizontal electro-slag welding by using a strip electrode, and by applying a magnetic field, having component perpendicular to a base metal, to a molten metal and slag pool to control the flow of the molten pool.
    Type: Grant
    Filed: February 20, 1980
    Date of Patent: January 5, 1982
    Assignee: Kawasaki Steel Corporation
    Inventors: Shosaburo Nakano, Toshiharu Hiro, Noboru Nishiyama, Kazuo Agusa, Masaaki Kosho