Patents Examined by B Rivera
  • Patent number: 8191812
    Abstract: The polyester film roll, which is free from wrinkles and slacks generated with the passage of time and is having a good roll appearance, is provided without changing the characteristics of the film.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: June 5, 2012
    Assignee: Teijin Limited
    Inventors: Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Shinji Muro, Hirofumi Murooka