Patents by Inventor Hiroshi Shinomiya

Hiroshi Shinomiya 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: 3957543
    Abstract: Disclosed is a composition and method for its use to improve the corrosion resistance of conversion-coated metal surfaces. The composition contains a myo-inositol phosphate ester or soluble salt thereof and is applied as a rinse of the conversion coating.
    Type: Grant
    Filed: February 1, 1974
    Date of Patent: May 18, 1976
    Assignee: Oxy Metal Industries Corporation
    Inventors: Hiroshi Shinomiya, Kakuro Muro, Akimitsu Fukuda, Yoshio Nagae, Yoshiji Shirogane