Patents by Inventor Kenji Kurosawa

Kenji Kurosawa 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).

  • Antifouling coating composition
    Patent number: 5266105
    Abstract: The present invention relates to an antifouling coating composition comprising:(a) a vehicle comprising a hydrophobic resin (A), a slightly soluble resin (B) and a hydrophilic resin (C), and(b) a copper alloy powder as an antifouling agent comprising from 3 to 25% by weight of nickel and/or manganese, from 0.1 to 1.5% by weight of iron and the rest being copper, and(c) if necessary, one of zinc oxide, germanium oxide and a flake pigment.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: November 30, 1993
    Assignees: Dai Nippon Toryo Co., Ltd., Mitsubishi Materials Corporation
    Inventors: Kazuyoshi Tsuneta, Tohru Taki, Kenji Kurosawa, Junya Ohe, Yasuzo Uchida
  • Anti-corrosion coating composition
    Patent number: 4219358
    Abstract: The present invention relates to an anti-corrosion coating composition comprising as main components a silicate and zinc powder wherein ultrafine particulate aluminum oxide and/or ultrafine particulate titanium oxide is incorporated in an amount of 0.05 to 2.0 parts by weight per 100 parts by weight of the zinc powder.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: August 26, 1980
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Toshiharu Hayashi, Kenji Kurosawa