Patents by Inventor Reiji Ootsuka

Reiji Ootsuka 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: 7006172
    Abstract: The invention relates to a color liquid crystal display device with a combination of light shutters that utilize a liquid crystal, a color filter having color elements of at least three colors of red, green and blue corresponding to the light shutters, and a backlight for transmission illumination.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: February 28, 2006
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shin Kawana, Naoki Sako, Naoto Kijima, Takayuki Hisamune, Reiji Ootsuka
  • Publication number: 20040218115
    Abstract: There are provided color liquid crystal display devices with high color purity of NTSC percentage of at least 80%.
    Type: Application
    Filed: June 1, 2004
    Publication date: November 4, 2004
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shin Kawana, Naoki Sako, Naoto Kijima, Takayuki Hisamune, Reiji Ootsuka