Patents by Inventor Ikutaka Kosugi

Ikutaka Kosugi 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).

  • Corrosion resistant tire rim
    Patent number: 4421821
    Abstract: A corrosion-resistant tire rim coated with a plastic paint which is obtained by the addition of flake filler to unsaturated polyester resin or epoxy resin in order to improve the chemical-resistance.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: December 20, 1983
    Assignee: The Toyo Rubber Industry Company, Limited
    Inventors: Hideyuki Matsubara, Ikutaka Kosugi, Chiaki Tsukamoto