Patents by Inventor Tsuneo Tanuma

Tsuneo Tanuma 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).

  • Coating composition for coating metal plate
    Patent number: 5166288
    Abstract: A coating composition for coating a metal plate, and containing (i) 100 parts by weight of a polyester-melamine resin composed of (a) a polyester resin having a glass transition temperature of 5.degree. to 40.degree. C. and a number average molecular weight of 15,000 to 30,000 and (b) a melamine resin at a weight ratio (a)/(b) of 75/25 to 55/45 and (ii) 1 to 2 parts by weight of an amine-blocked derivative of a long-chain alkylbenzenesulfonic acid.
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: November 24, 1992
    Assignee: Nippon Steel Corporation
    Inventors: Hiroshi Kanai, Joji Oka, Takao Hirayama, Tsuneo Tanuma