Patents by Inventor Hiroki IWAZAKI

Hiroki IWAZAKI 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).

  • Lighting device and display device
    Patent number: 9169980
    Abstract: A lighting device includes a translucent member having the same cross sectional tubular shape throughout a longitudinal direction and including a lens that includes a light incident surface for receiving incident light and a pair of light exit surface for diffusing and emitting the light incident on the light incident surface to the outside, and a light-emitting portion mounted on a substrate and emitting the light toward a region including the light incident surface of the translucent member, where in the translucent member includes a pair of light guide portions for guiding the light incident on the light incident surface to a pair of the light exit surfaces so that the light incident on the light incident surface is diffused and emitted from the pair of light exit surfaces in a width direction that is orthogonal to the longitudinal direction.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: October 27, 2015
    Assignee: KOHA CO., LTD.
    Inventors: Hiroki Iwazaki, Kentaro Tone
  • LIGHTING DEVICE AND DISPLAY DEVICE
    Publication number: 20140293646
    Abstract: A lighting device includes a translucent member having the same cross sectional tubular shape throughout a longitudinal direction and including a lens that includes a light incident surface for receiving incident light and a pair of light exit surface for diffusing and emitting the light incident on the light incident surface to the outside, and a light-emitting portion mounted on a substrate and emitting the light toward a region including the light incident surface of the translucent member, where in the translucent member includes a pair of light guide portions for guiding the light incident on the light incident surface to a pair of the light exit surfaces so that the light incident on the light incident surface is diffused and emitted from the pair of light exit surfaces in a width direction that is orthogonal to the longitudinal direction.
    Type: Application
    Filed: March 19, 2014
    Publication date: October 2, 2014
    Applicant: KOHA CO., LTD.
    Inventors: Hiroki IWAZAKI, Kentaro TONE