Patents by Inventor Kozo Fujimura

Kozo Fujimura 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).

  • Patent number: 7125151
    Abstract: A light guide 11 of a rectangular cross-section has side faces 11a, 11b including short sides in the longitudinal direction of which one side face 11a is provided with a light-scattering pattern 20, formed by screen-printing in white paint, for scattering the light incident to the light guide 11. The other side face 11b facing the side face 11a is exposed from a casing 12 to serve as a light-emitting surface. In the present embodiment, it is possible to secure a sufficient amount of light because the whole area of the side face is used as the light-emitting surface. The remaining side faces 11c, 11d of the light guide 11 are side faces including the long sides. Since the side faces 11c, 11d easily produce a surface sink during molding, neither the light-scattering pattern 20 nor the light-emitting surface is provided thereon.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: October 24, 2006
    Assignee: Nippon Sheet Glass Co., Ltd.
    Inventors: Yoshiyuki Uemura, Takashi Kishimoto, Kozo Fujimura, Tomihisa Saito, Masafumi Taguchi
  • Publication number: 20050195618
    Abstract: A light guide 11 of a rectangular cross-section has side faces 11a, 11b including short sides in the longitudinal direction of which one side face 11a is provided with a light-scattering pattern 20, formed by screen-printing in white paint, for scattering the light incident to the light guide 11. The other side face 11b facing the side face 11a is exposed from a casing 12 to serve as a light-emitting surface. In the present embodiment, it is possible to secure a sufficient amount of light because the whole area of the side face is used as the light-emitting surface. The remaining side faces 11c, 11d of the light guide 11 are side faces including the long sides. Since the side faces 11c, 11d easily produce a surface sink during molding, neither the light-scattering pattern 20 nor the light-emitting surface is provided thereon.
    Type: Application
    Filed: July 1, 2003
    Publication date: September 8, 2005
    Applicant: Nippon Sheet Glass Co., Ltd.
    Inventors: Yoshiyuki Uemura, Takashi Kishimoto, Kozo Fujimura, Tomihisa Saito, Masafumi Taguchi