Patents by Inventor Itsuhiro Miyamoto

Itsuhiro Miyamoto 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
    Patent number: 8915625
    Abstract: A lighting device that comprises a light source unit, with light sources positioned upon a circuit substrate; an LCD panel illuminated by the light emitted from the light sources; a casing, and a diffusion member installed upon the casing. The circuit substrate is mounted so as to block the lower end aperture of the hollow portion. The diffusion member is mounted so as to block an upper end aperture of the hollow portion, which constitutes the opposite end of the hollow portion from the lower end aperture thereof. Radiation units are formed upon the casing to radiate heat caused by the light sources outside the casing.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: December 23, 2014
    Assignee: Nippon Seiki Co., Ltd.
    Inventor: Itsuhiro Miyamoto
  • LIGHTING DEVICE
    Publication number: 20120257399
    Abstract: A lighting device that comprises a light source unit, with light sources positioned upon a circuit substrate; an LCD panel illuminated by the light emitted from the light sources; a casing, and a diffusion member installed upon the casing. The circuit substrate is mounted so as to block the lower end aperture of the hollow portion. The diffusion member is mounted so as to block an upper end aperture of the hollow portion, which constitutes the opposite end of the hollow portion from the lower end aperture thereof. Radiation units are formed upon the casing to radiate heat caused by the light sources outside the casing.
    Type: Application
    Filed: December 14, 2010
    Publication date: October 11, 2012
    Inventor: Itsuhiro Miyamoto