Patents by Inventor Ryoji Okamura

Ryoji Okamura 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).

  • Method for forming smooth cured coated films
    Patent number: 3971709
    Abstract: Smooth cured coated films having excellent properties are formed by electrodepositing and coating a film on a cathode of an electroconductive material in an electrodeposition bath containing a cationically electrodepositing composition, which is composed of a polymer resin having amino groups and acryloyl or methacryloyl groups and of acrylic or methacrylic acid, and curing the coated film by the irradiation of an ionic radiation.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: July 27, 1976
    Assignee: Nippon Oils and Fats Company Limited
    Inventors: Akira Ohsawa, Ryosuke Yamazaki, Osamu Ohe, Ryoji Okamura