Patents by Inventor Masahiko Minato

Masahiko Minato 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: 4852793
    Abstract: A sealed container and method for manufacturing the same is disclosed in which the sealed container has a waterproof container barrel body made of paper and having opposing open ends, and a pair of closure members, one for each end, with each closure member cooperatively engageable with an end of the barrel body to form a hermetically sealed container. Each closure member includes a panel to generally cover each open end, a peripheral wall portion extending downward from the periphery of the panel and generally perpendicular thereto, a covering member is provided for covering an end surface of the container barrel body, and a reinforcing member adhered to a peripheral surface of an opening portion of the container barrel body. The peripheral wall portion of the closure member is mounted on the container barrel body and adhered thereto at a position corresponding to the adhered position of the reinforcing member.
    Type: Grant
    Filed: May 4, 1988
    Date of Patent: August 1, 1989
    Assignee: Hokkai Can Co., Ltd.
    Inventors: Yoshihiro Homma, Akira Nakata, Shiroh Matsumoto, Kunitoshi Yoshimura, Masahiko Minato
  • Patent number: 4757936
    Abstract: A sealed container and method for manufacturing the same is disclosed in which the sealed container has a waterproof container barrel body made of paper and having opposing open ends, and a pair of closure members, one for each end, with each closure member cooperatively engageable with an end of the barrel body to form a hermetically sealed container. Each closure member includes a panel to generally cover each open end, a peripheral wall portion extending downward from the periphery of the panel and generally perpendicular thereto, a covering member is provided for covering an end surface of the container barrel body, and a reinforcing member adhered to a peripheral surface of an opening portion of the container barrel body. The peripheral wall portion of the closure member is mounted on the container barrel body and adhered thereto at a position corresponding to the adhered position of the reinforcing member.
    Type: Grant
    Filed: November 7, 1985
    Date of Patent: July 19, 1988
    Assignee: Hokkai Can Co., Ltd.
    Inventors: Yoshihiro Homma, Akira Nakata, Shiroh Matsumoto, Kunitoshi Yoshimura, Masahiko Minato
  • Patent number: 4712706
    Abstract: An easy open type can including a can closure having a top panel with a peripheral wall portion extending downwards from a circumferential edge of the top panel portion thereof. A tab is provided for opening the closure. A score line is constructed in the peripheral wall portion so as to be connected to an end of one side edge of the tab and extending over the whole circumference of the peripheral wall portion. The peripheral wall portion is mounted on and fixed to an open end portion of a can barrel. The can closure is formed of a metallic foil and a thermoplastic resin layer covering an outer surface of the metallic foil and the score line is constructed by removing only the resin layer of the peripheral wall portion of the can closure. The score line is provided in a region of the peripheral wall portion that is adhered to the open end portion of the can barrel.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: December 15, 1987
    Assignee: Hokkai Can Co., Ltd.
    Inventors: Akira Nakata, Shiroh Matsumoto, Hitoshi Tozima, Masahiko Minato