Patents by Inventor Junichi Nagataki

Junichi Nagataki 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).

  • Heat insulating castings
    Patent number: 3949552
    Abstract: The present invention relates to heat insulating castings of triple structure consisting of heat and corrosion resistant metal, heat insulating refractory material, and cast metal. The invention is characterized in that heat and corrosion resistant metal sheet is covered with heat insulating refractory material and the thus formed assembly is enveloped with cast metal. Fringe areas are provided at the ends of the heat and corrosion resistant metal and these fringes are enveloped with cast metal.
    Type: Grant
    Filed: December 13, 1973
    Date of Patent: April 13, 1976
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Yasuhisa Kaneko, Akiyoshi Morita, Yasuo Nemoto, Junichi Nagataki