Patents by Inventor Kanzi Ishikawa

Kanzi Ishikawa 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).

  • Patent number: 4396679
    Abstract: A plastic article in which a semi-cured or cured product of a curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate esters and an amine and mixtures thereof, (b) at least one diene-type rubber and optionally (c) at least one compound selected from the group consisting of polyfunctional maleimides, prepolymers of the maleimides or coprepolymers of the maleimides and an amine is formed on a plastic substrate is disclosed.
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: August 2, 1983
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Morio Gaku, Yukiya Masuda, Akira Katata, Kanzi Ishikawa, Nobuyuki Ikeguchi