Patents by Inventor Hidetsumu Okada

Hidetsumu Okada 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).

  • Method of finish-coating automotive bodies and finished automotive bodies
    Publication number: 20050025978
    Abstract: The present invention has for its object to provide a method of finish-coating an automotive body consisting of steel plate and plastic parts which comprises forming a top film with excellent curability and adhesion concurrently on both the steel plate and plastic parts to produce an automotive body which is free from a color difference between the two kinds of parts, thus having an excellent color design and appearance.
    Type: Application
    Filed: June 10, 2004
    Publication date: February 3, 2005
    Applicant: Nippon Paint Co., Ltd.
    Inventors: Hidetsumu Okada, Tsuyoshi Harakawa
  • Production of polymer microparticles having water-insoluble chemicals immobilized therein
    Patent number: 5302654
    Abstract: Polymer microparticles having immobilized therein a water-insoluble substance such as oil-soluble dyes or pigments are produced by a method which includes the steps of forming droplets of a solution of a self-emulsifiable resin in a nonaqueous solvent containing the water-insoluble substance and an ethylenically unsaturated monomer suspended in an aqueous medium, and then allowing the monomer in the droplets to polymerize in situ.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: April 12, 1994
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Keizo Ishii, Hidetsumu Okada, Masanori Oiwa, Hisaichi Muramoto, Shinichi Ishikura