Patents by Inventor Naohiro Tsuji

Naohiro Tsuji 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).

  • Water-borne coating composition and method of forming multilayer coating film
    Patent number: 6716909
    Abstract: The present invention provides a water-borne coating composition excellent in smoothness and film appearance. A water-borne coating composition comprising: an emulsion resin obtained by emulsion polymerization of an &agr;,&bgr;-ethylenically unsaturated monomer mixture and a urethane compound represented by the general formula (1) or (2): wherein the content of said urethane compound is 0.01 to 20% by weight on the solid basis relative to the resin solid in the coating composition. A method of forming a multilayer coating film comprising: applying a water-borne base coating to an article to be coated and then applying a clear coating thereonto, followed by curing by heating, wherein said water-borne base coating is the above-mentioned water-borne coating composition.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: April 6, 2004
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Tsuyoshi Harakawa, Masaru Murayama, Shinnji Seo, Naohiro Tsuji
  • Water-borne coating composition and method of forming multilayer coating film
    Publication number: 20020077410
    Abstract: The present invention provides a water-borne coating composition excellent in smoothness and film appearance.
    Type: Application
    Filed: September 4, 2001
    Publication date: June 20, 2002
    Inventors: Tsuyoshi Harakawa, Masaru Murayama, Shinnji Seo, Naohiro Tsuji