Patents by Inventor Ryohei Nanba

Ryohei Nanba 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).

  • Prefilled syringe
    Patent number: 8043267
    Abstract: The prefilled syringe filled with a drug in advance, leaking of liquid from the cap is prevented, gas barrier properties are given to the whole of the barrel filled with the drug and the shoulder section so that degradation of the drug is prevented, permeation of microbial contaminants is prevented to a high extent, and efficiency of packing as a compact container can be increased. The prefilled syringe includes a guard-shaped extension projecting from the outer periphery of a shoulder section of the syringe barrel on the nozzle side, and a range from a part where a gasket of the plunger is positioned on the outer surface of the syringe barrel filled with the drug to the guard-shaped extension is covered with barrier packaging.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: October 25, 2011
    Assignee: Nipro Corporation
    Inventors: Ryohei Nanba, Masanobu Iwasa, Mitsuru Hasegawa, Yoshihisa Murai
  • Prefilled Syringe
    Publication number: 20090281504
    Abstract: The prefilled syringe filled with a drug in advance, leaking of liquid from the cap is prevented, gas barrier properties are given to the whole of the barrel filled with the drug and the shoulder section so that degradation of the drug is prevented, permeation of microbial contaminants is prevented to a high extent, and efficiency of packing as a compact container can be increased. The prefilled syringe includes a guard-shaped extension projecting from the outer periphery of a shoulder section of the syringe barrel on the nozzle side, and a range from a part where a gasket of the plunger is positioned on the outer surface of the syringe barrel filled with the drug to the guard-shaped extension is covered with barrier packaging.
    Type: Application
    Filed: August 18, 2006
    Publication date: November 12, 2009
    Applicant: NIPRO CORPORATION
    Inventors: Ryohei Nanba, Masanobu Iwasa, Mitsuru Hasegawa, Yoshihisa Murai