Patents by Inventor Kiyoichi Yamazaki

Kiyoichi Yamazaki 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 for treating an aluminum surface
    Patent number: 4136073
    Abstract: Disclosed is a composition and process useful for improving the corrosion resistance and/or paint adhesion of an aluminum surface. The composition is an aqueous acidic one containing an organic film-forming polymer and a titanium compound in a weight ratio of polymer : Ti of 100 : 1 to 1 : 10. The aluminum surface is contacted with the composition at a temperature not in excess of 70.degree. C.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: January 23, 1979
    Assignee: Oxy Metal Industries Corporation
    Inventors: Kakuro Muro, Kuniji Yashiro, Hideaki Kaneko, Kiyoichi Yamazaki