Patents by Inventor Naoyuki Nitta

Naoyuki Nitta 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).

  • Pressure-sensitive adhesive and retardation layer-attached polarizing plate, method for manufacturing thereof, optical film, and image display
    Patent number: 7976669
    Abstract: A pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) comprises a retardation layer-attached polarizing plate (3) comprising a polarizing plate (2) that comprises an iodine-based polarizer (1) and a transparent protective film laminated on both sides of the polarizer and a method for manufacturing the pressure-sensitive adhesive and retardation layer attached polarizing plate (4).
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: July 12, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Minoru Miyatake, Hiroaki Mizushima, Yuusuke Toyama, Yuuji Saiki, Naoyuki Nitta
  • PRESSURE-SENSITIVE ADHESIVE AND RETARDATION LAYER-ATTACHED POLARIZING PLATE, METHOD FOR MANUFACTURING THEREOF, OPTICAL FILM, AND IMAGE DISPLAY
    Publication number: 20100039590
    Abstract: A pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) of the invention comprises a retardation layer-attached polarizing plate (3) comprising a polarizing plate (2) that comprises an iodine-based polarizer (1) and a transparent protective film laminated on both sides of the polarizer (1); and a retardation layer provided on at least one of the transparent protective films; and an acrylic pressure-sensitive adhesive layer laminated on the retardation layer side of the retardation layer-attached polarizing plate (3), wherein the iodine-based polarizer (1) has a ratio (K/I), which is the content (% by weight) of potassium (K) to the content (% by weight) of iodine (I) in the polarizer, of 0.200 to 0.
    Type: Application
    Filed: September 28, 2006
    Publication date: February 18, 2010
    Applicant: NITTO DENKO CORPORATION
    Inventors: Minoru Miyatake, Hiroaki Mizushima, Yuusuke Toyama, Yuuji Saiki, Naoyuki Nitta
  • POLARIZING PLATE LAMINATED WITH A RETARDATION LAYER, LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY APPARATUS
    Publication number: 20090027596
    Abstract: There are provided a polarizing plate laminated with a retardation layer, a liquid crystal panel and a liquid crystal display apparatus each being excellent in screen contrast and being capable of suppressing display unevenness occurring in high-temperature environment. The polarizing plate laminated with a retardation layer includes a pressure-sensitive adhesive layer, a retardation layer including a resin layer and an inclined alignment layer and a polarizer, in this order.
    Type: Application
    Filed: February 7, 2007
    Publication date: January 29, 2009
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yuusuke Toyama, Naoyuki Nitta, Masayuki Satake, Hironori Motomura, Yoshifumi Yamamoto