Patents by Inventor Shinji Ikoma

Shinji Ikoma 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 for producing stretched film, method for producing film, and film
    Patent number: 9144935
    Abstract: A film stretched uniaxially in the transverse direction selectively is obtained by preventing a phenomenon that the film is stretched also in the longitudinal direction in stretching the film in a direction transverse to the conveying direction. A film F is stretched in the transverse direction while being gripped with clips 2 each having a corrugated upper teeth part (holding member piece) 12 and a corrugated lower teeth part (holding member piece) 11. Furthermore, the film F is shaped into a wavy form using corrugated gripping members 6a and 6b and stretched in the transverse direction while being held with the clips 2 having the holding members.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: September 29, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Haruhiko Maki, Kenji Ueshima, Shiro Masuda, Shinji Ikoma, Takatsugu Nakagami
  • METHOD FOR PRODUCING STRETCHED FILM, METHOD FOR PRODUCING FILM, AND FILM
    Publication number: 20110039084
    Abstract: A film stretched uniaxially in the transverse direction selectively is obtained by preventing a phenomenon that the film is stretched also in the longitudinal direction in stretching the film in a direction transverse to the conveying direction. A film F is stretched in the transverse direction while being gripped with clips 2 each having a corrugated upper teeth part (holding member piece) 12 and a corrugated lower teeth part (holding member piece) 11. Furthermore, the film F is shaped into a wavy form using corrugated gripping members 6a and 6b and stretched in the transverse direction while being held with the clips 2 having the holding members.
    Type: Application
    Filed: December 26, 2008
    Publication date: February 17, 2011
    Applicant: KANEKA CORPORATION
    Inventors: Haruhiko Maki, Kenji Ueshima, Shiro Masuda, Shinji Ikoma, Takatsugu Nakagami