Patents by Inventor Yasuyuki Amagai

Yasuyuki Amagai 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).

  • Board building material, board building material producing method, board building material installation method
    Patent number: 7661511
    Abstract: Perforations of a board for building material are formed by a number of recesses (13), or a number of recesses (13) and through-holes (12). A bottom face (16) of the recess forms a face for screwing or driving the fixing element (70) thereto. A color of the bottom face is set to have a brightness of color decreased in comparison with a color of a surface (18) of the board. A substrate of the board is a gypsum board and the bottom face of the recess is formed by a liner paper for gypsum board. According to such a board, a region for screwing or driving the fixing element thereto can be ensured without impairing regularity, uniformity or architectural design of the perforations, and putty finishing or the like for an exposed part of the fixing element can be omitted.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: February 16, 2010
    Assignee: Yoshino Gypsum Co., Ltd.
    Inventors: Tomoya Hasegawa, Yasuyuki Amagai, Shoichi Okazaki, Masahiro Wada
  • Board Building Material, Board Building Material Producing Method, Board Building Material Installation Method
    Publication number: 20070220824
    Abstract: Perforations of a board for building material are formed by a number of recesses (13), or a number of recesses (13) and through-holes (12). A bottom face (16) of the recess forms a face for screwing or driving the fixing element (70) thereto. A color of the bottom face is set to have a brightness of color decreased in comparison with a color of a surface (18) of the board. A substrate of the board is a gypsum board and the bottom face of the recess is formed by a liner paper for gypsum board. According to such a board, a region for screwing or driving the fixing element thereto can be ensured without impairing regularity, uniformity or architectural design of the perforations, and putty finishing or the like for an exposed part of the fixing element can be omitted.
    Type: Application
    Filed: April 27, 2005
    Publication date: September 27, 2007
    Inventors: Tomoya Hasegawa, Yasuyuki Amagai, Shoichi Okazaki, Masahiro Wada