Patents by Inventor Shunichiro Kirimura

Shunichiro Kirimura 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).

  • Surface treatment of plastic material
    Patent number: 4297187
    Abstract: Plastic surfaces are treated with electrical corona discharge in an atmosphere of nitrogen and carbon dioxide. Oxygen is substantially excluded, and is kept at less than 0.1% by volume.
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: October 27, 1981
    Assignee: Toray Industries, Inc.
    Inventors: Yukichi Deguchi, Hideki Yamagishi, Shunichiro Kirimura