Patents by Inventor Shigeo Shinagawa

Shigeo Shinagawa 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).

  • Process of joining of a galvanized steel sheet
    Patent number: 5180099
    Abstract: A process of joining galvanized steel sheets using a solder comprising copper and 10.about.30% by weight nickel with a welding machine. The process of joining the galvanized steel sheets includes a first step of phosphatizing before the joining.
    Type: Grant
    Filed: July 18, 1991
    Date of Patent: January 19, 1993
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Makoto Okabayashi, Masami Ishii, Juniti Mita, Shigeo Shinagawa