Patents by Inventor Isao Sogo

Isao Sogo 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: 7674506
    Abstract: There is provided a direct backlight type liquid crystal display device having high light diffusability, keeping excellent color and having high brightness.
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: March 9, 2010
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Isao Sogo, Masato Ando, Mitsuhiro Takeo, Koji Maeda, Masanao Jinno
  • Publication number: 20060146228
    Abstract: There is provided a direct backlight type liquid crystal display device having high light diffusability, keeping excellent color and having high brightness.
    Type: Application
    Filed: June 16, 2004
    Publication date: July 6, 2006
    Inventors: Isao Sogo, Masato Ando, Mitsuhiro Takeo, Koji Maeda, Masanao Jinno