Patents by Inventor Yosuke Samejima

Yosuke Samejima 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 Ampule
    Publication number: 20140039444
    Abstract: A plastic ampule of the present invention is composed of a single layer of a plastic layer consisting only of a cyclic polyolefin with a glass transition temperature of 50° C. to 104° C.; integrally includes an ampule body formed in a bottle shape with a top part and a bottom part and having a bung for discharging a drug solution on the top part, a cap attached to the ampule body so as to seal the bung, and a thinner part having a layer thickness thinner than those of the ampule body and the cap, formed along a circumferential direction of the bung and connecting between the ampule body and the cap; and is opened by breaking off or twisting off the thinner part as a cutting part between the ampule body and the cap.
    Type: Application
    Filed: October 7, 2013
    Publication date: February 6, 2014
    Inventors: Akihito Togawa, Yosuke Samejima
  • Container
    Patent number: D715639
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: October 21, 2014
    Assignee: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Nobuaki Sumiyoshi, Masamori Sano, Yosuke Samejima