Patents by Inventor Hideo Fujinaka

Hideo Fujinaka 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).

  • Fireproofing covering material
    Patent number: 5259872
    Abstract: This invention relates to a fireproofing covering material with cement matrix. Objects of this invention are to provide a fireproofing covering material with largely improved fire resistant performance and to provide a fireproofing covering material with largely improved fire resisting performance and durability.The material of a first embodiment consists of 100 parts by weight of cement, 5 to 35 parts by weight of lime, 5 to 35 parts by weight of gypsum powder and 5 to 35 parts by weight of aluminosilica gel. The material of a second embodiment consists of 100 parts by weight of powder including 100 parts by weight of cement, 5 to 35 parts by weight of lime, 5 to 35 parts by weight of gypsum powder and 5 to 35 parts by weight of aluminosilica gel with addition of 50 to 300 parts by weight of ceramic balloon, 10 to 40 parts by weight of ceramic fiber and 5 to 20 parts by weight (solid content equivalency) of synthetic resin emulsion.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: November 9, 1993
    Assignee: Takenaka Corporation
    Inventors: Yukuo Shinozaki, Mamoru Shinozaki, Hideo Fujinaka