Patents by Inventor Masahisa Sato

Masahisa Sato 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).

  • Patent number: 5906568
    Abstract: An inner bag is adhered by an adhesive to the substantially entire region of a pouring spout attaching panel of a carton blank, and to substantially half regions of panels bordering the pouring spout attaching panel, which are on the side of a pouring spout. The inner bag is adhered to the carton at a part which is remotest from the pouring spout and is normal to a direction of movement made by the inner bag when air is drawn. The inner bag is adhered to the carton blank at the substantially entire region of the pouring spout attached panel, and four corners on the side of the panel, which enables the inner bag to be set up into a square shaft with high precision upon the setting-up of the carton blank.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: May 25, 1999
    Assignees: Tohoku Ricoh Co., Ltd., Dai Nippon Printing Co., Ltd.
    Inventors: Masahisa Sato, Yusuke Tanno, Takehiko Bizen
  • Patent number: 5803302
    Abstract: An inner bag is adhered by an adhesive to the substantially entire region of a pouring spout attaching panel of a carton blank, and to substantially half regions of panels bordering the pouring spout attaching panel, which are on the side of a pouring spout. The inner bag is adhered to the carton at a part which is remotest from the pouring spout and is nominal to a direction of movement made by the inner bag when air is drawn. The inner bag is adhered to the carton blank at the substantially entire region of the pouring spout attached panel, and four corners on the side of the panel, which enables the inner bag to be set up into a square shaft with high precision upon the setting-up of the carton blank.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: September 8, 1998
    Assignees: Tohoku Ricoh Co., Ltd., Dai Nippon Printing Co., Ltd.
    Inventors: Masahisa Sato, Yusuke Tanno, Takehiko Bizen