Patents by Inventor Tatsu Iinuma

Tatsu Iinuma 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).

  • Method and apparatus for producing synthetic resin films
    Patent number: 6398993
    Abstract: A film production process having a film tentering step and a recovering step, characterized by detecting the side edge positions of the film running toward the recovering step, transferring the film running direction based on the detected information, and controlling the clamp start position of the film arriving at a tenter in the tentering step by clamp means, in the transverse direction of the film. A film production process having a film tentering step, characterized by controlling the clamp start position of a film arriving at a tenter by clamp means, in the range from 5 mm to 1,000 mm from the tip of the film in the longitudinal direction of the film.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: June 4, 2002
    Assignee: Toray Industries, Inc.
    Inventors: Haruhisa Yushio, Takanori Nishida, Koji Hayashi, Hidetoshi Okashiro, Tatsu Iinuma