Patents by Inventor Mitsuharu Nakatani

Mitsuharu Nakatani 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).

  • LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE, AND POLARIZER PROTECTION FILM
    Publication number: 20190146280
    Abstract: The invention provides a liquid crystal display device, as well as a polarizer and a protective film suitable for the liquid crystal display device. The liquid crystal display device comprises a backlight light source, two polarizers, and a liquid crystal cell disposed between the two polarizers; the backlight light source being a white light-emitting diode light source; each of the two polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; at least one of the protective films being a polyester film having an adhesion-facilitating layer; the polyester film having a retardation of 3,000 to 30,000 nm; and the adhesion-facilitating layer comprising a polyester resin (A) and a polyvinyl alcohol resin (B).
    Type: Application
    Filed: January 11, 2019
    Publication date: May 16, 2019
    Applicant: TOYOBO CO., LTD.
    Inventors: Kouichi MURATA, Mitsuharu NAKATANI, Yasushi SASAKI
  • Liquid crystal display device, polarizing plate, and polarizer protection film
    Patent number: 10180597
    Abstract: The invention provides a liquid crystal display device, as well as a polarizer and a protective film suitable for the liquid crystal display device. The liquid crystal display device comprises a backlight light source, two polarizers, and a liquid crystal cell disposed between the two polarizers; the backlight light source being a white light-emitting diode light source; each of the two polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; at least one of the protective films being a polyester film having an adhesion-facilitating layer; the polyester film having a retardation of 3,000 to 30,000 nm; and the adhesion-facilitating layer comprising a polyester resin (A) and a polyvinyl alcohol resin (B).
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: January 15, 2019
    Assignee: TOYOBO CO., LTD.
    Inventors: Kouichi Murata, Mitsuharu Nakatani, Yasushi Sasaki
  • LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE, AND POLARIZER PROTECTION FILM
    Publication number: 20140098325
    Abstract: The invention provides a liquid crystal display device, as well as a polarizer and a protective film suitable for the liquid crystal display device. The liquid crystal display device comprises a backlight light source, two polarizers, and a liquid crystal cell disposed between the two polarizers; the backlight light source being a white light-emitting diode light source; each of the two polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; at least one of the protective films being a polyester film having an adhesion-facilitating layer; the polyester film having a retardation of 3,000 to 30,000 nm; and the adhesion-facilitating layer comprising a polyester resin (A) and a polyvinyl alcohol resin (B).
    Type: Application
    Filed: May 16, 2012
    Publication date: April 10, 2014
    Applicant: TOYOBO CO., LTD.
    Inventors: Kouichi Murata, Mitsuharu Nakatani, Yasushi Sasaki