Patents by Inventor Syuzi Sato

Syuzi Sato 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).

  • Dip phosphating process
    Patent number: 4287004
    Abstract: A dip phosphating process, which comprises introducing a substrate to be phosphated into a phosphating bath while undulating the phosphating solution at the entrance section of the bath.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: September 1, 1981
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Ryoichi Murakami, Hideo Shimizu, Syuzi Sato