Patents by Inventor Kotaro Shinozaki

Kotaro Shinozaki 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).

  • Sealant compositions and sealant articles using the same
    Patent number: 6489023
    Abstract: A sealant composition comprising a curable epoxy-containing material, a thermoplastic polyamide component having a melting point lower than a curing temperature of the epoxy-containing material, and a curative for the epoxy-containing material. After curing of the epoxy-containing material, the sealant composition exhibits an elongation at −20° C. of at least 2. The sealant composition is capable of effectively sealing discontinuities while maintaining enough flexibility to absorb applied stress, thereby preventing the formation of defects in the sealant which permit the intrusion of dirt, moisture, and other undesirable substances.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: December 3, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Kotaro Shinozaki, Kazuyoshi Shiozaki