Patents by Inventor Takwto Sakurai

Takwto Sakurai 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).

  • Plastic pouch and manufacturing method therefor
    Patent number: 8951178
    Abstract: At least one of an obverse surface film and reverse surface film, which are used to together constitute a plastic pouch, is folded back across the entire width of the plastic pouch, and peripheral edge portions of the pouch are heat-sealed, to thereby form, on at least one position, a folded-back section communicating with the body of the pouch.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: February 10, 2015
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Kazuyuki Kurosawa, Keizou Kanzaki, Shie Nishimoto, Takwto Sakurai
  • PLASTIC POUCH AND MANUFACTURING METHOD THEREFOR
    Publication number: 20120263400
    Abstract: At least one of an obverse surface film and reverse surface film, which are used to together constitute a plastic pouch, is folded back across the entire width of the plastic pouch, and peripheral edge portions of the pouch are heat-sealed, to thereby form, on at least one position, a folded-back section communicating with the body of the pouch.
    Type: Application
    Filed: March 12, 2012
    Publication date: October 18, 2012
    Applicant: TOYO SEIKAN KAISHA, LTD.
    Inventors: Kazuyuki Kurosawa, Keizou Kanzaki, Shie Nishimoto, Takwto Sakurai