Patents by Inventor Hidemi Nishiyama

Hidemi Nishiyama 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).

  • Flame retardant thermoplastic polyurethane resin composition
    Patent number: 4886848
    Abstract: This invention discloses a flame retardant thermoplastic polyurethane resin composition containing a halogen flame retardant and a flame-retardant, water-resistant thin insulated wire prepared by applying the flame retardant thermoplastic polyurethane resin composition to a conductor to form an insulating layer having a thickness of 0.3 mm or less. The flame retardant thermoplastic polyurethane resin composition is prepared such that 0.2 to 20 parts by weight of a cycloparaffinic compound having an epoxy group is added to 100 parts by weight of a thermoplastic polyurethane resin alone or contained as a major constituent in a thermoplastic resin.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: December 12, 1989
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Hidemi Nishiyama, Kenichi Ohtani