Patents Examined by Dawyane A Pinkney
  • Method for producing optical sheet, optical sheet and video display device
    Patent number: 8480242
    Abstract: The present invention provides a method for manufacturing optical sheet having an improved appearance, optical sheet, and an image display device having the optical sheet.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: July 9, 2013
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Tsuyoshi Kashiwagi, Futoshi Osawa