Patents by Inventor Taguchi Tsunemasa

Taguchi Tsunemasa 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).

  • Publication number: 20100141172
    Abstract: An object of the present invention is to make possible irradiating a desired irradiated surface with a homogenized-colored light having high color rendering, with high luminous efficiency. To achieve the object, the present invention provides a light source comprising two or more primary light sources, each of which emits primary light having different wavelength, wherein the maximum value among differences between each of CIE chromaticity coordinates of the primary lights is 0.05 or larger, the primary lights have the same illuminance distribution characteristics at a desired irradiated surface, the luminous efficiency is 30 lm/W or larger, and the general color rendering index is 60 or larger.
    Type: Application
    Filed: February 13, 2006
    Publication date: June 10, 2010
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Yuji Uchida, Taguchi Tsunemasa, Naoto Kijima