Patents by Inventor Isao Otake

Isao Otake 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).

  • Laminate and container
    Publication number: 20040043239
    Abstract: One object of the present invention is to provide a polyethylene-base resin laminate having excellent properties in the transparency, blocking resistance, flexibility and the like, exhibiting heat resistance high enough to withstand a sterilization at 121° C.
    Type: Application
    Filed: June 26, 2003
    Publication date: March 4, 2004
    Inventors: Toshiharu Iwasaki, Tomohiko Ezaki, Akihiko Sakata, Isao Otake
  • Stopper assembly for a container for aqueous infusion and a method of making thereof
    Patent number: 5853094
    Abstract: To provide a rubber stopper enhancing a tightening force applied on a piercing needle and a closing force of a hole caused by piercing the needle, a stopper assembly for a container for aqueous infusion attached to an opening of a main body of a container for aqueous infusion made of synthetic resin in which a rubber stopper is in a tight contact state with a rubber stopper outer supporter made of synthetic resin by receiving a compressive stress therefrom at all the side face of a barrel portion of the rubber stopper, a diameter of at least one of a top face and a bottom face of the rubber stopper is contracted by 1 through 10% and the top face or the bottom face is expanded, is proposed.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: December 29, 1998
    Assignee: Showa Denko K. K.
    Inventors: Nobuyuki Tanaka, Toshio Norimoto, Katushi Shirakawa, Isao Otake