Patents by Inventor Tosio Kobayasi

Tosio Kobayasi 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: 4587201
    Abstract: A photo-curable resin composition which comprises mixing urethane-acrylate resin [I], which is obtained by reacting components A and B, i.e.,Component-A: Polyisocyanates containing polybutadiene withComponent-B: Acrylate or methacrylate having a hydroxyl group in the molecule thereof anda photopolymerization initiator [II].The cured composition is suitable as an additive plating resist in the manufacture of electronic circuitry.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: May 6, 1986
    Assignee: Nippon Soda Co. Ltd.
    Inventors: Takao Morikawa, Tosio Kobayasi, Masayuki Kataoka, Atsushi Mori