Patents by Inventor Takashi Yamagichi

Takashi Yamagichi 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).

  • Process for producing easily adherable polyester film
    Patent number: 4364885
    Abstract: A process for producing an easily adherable biaxially stretched polyester film, which comprises coating a primer composition consisting of (A) and aqueous dispersion of polyurethane and (B) a montan wax salt and optionally a nonionic or anionic surface-active agent on the surface of a polyester film which has not yet been stretched completely, drying the coating, completing the stretching of the coated film, and then heat-setting it thereby to form a primer coated layer on the film surface.
    Type: Grant
    Filed: June 11, 1981
    Date of Patent: December 21, 1982
    Assignee: Teijin Limited
    Inventors: Tamaki Kanai, Takashi Yamagichi, Hirofumi Yoshikawa, Kenji Suzuki, Yoshikatsu Ohta