Patents by Inventor Junji Tashiro

Junji Tashiro 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).

  • Mold for gasket for prefilled syringe
    Patent number: 9452264
    Abstract: A pre-filled syringe with excellent air-tightness and liquid-tightness and a mold for forming the gasket are provided. At least a surface of the mold for a gasket laminated with an inactive film for a pre-filled syringe forms a seal sliding surface of an annular protrusion of the gasket is mirror finished to have an arithmetic mean roughness Ra of less than 0.03 ?m.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: September 27, 2016
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Katsushi Maeda, Junji Tashiro, Hiroaki Nakano, Eiji Yao
  • MOLD FOR GASKET FOR PREFILLED SYRINGE
    Publication number: 20140228774
    Abstract: The present invention aims to provide a gasket for a pre-filled syringe which has excellent air-tightness and liquid-tightness and a mold for forming the gasket. The present invention relate to a mold for a gasket laminated with an inactive film for a pre-filled syringe, wherein at least a surface of the mold which forms a seal sliding surface of an annular protrusion of the gasket is mirror finished to have an arithmetic mean roughness Ra of less than 0.03 ?m.
    Type: Application
    Filed: April 3, 2014
    Publication date: August 14, 2014
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Katsushi MAEDA, Junji TASHIRO, Hiroaki NAKANO, Eiji YAO
  • MOLD FOR GASKET FOR PREFILLED SYRINGE
    Publication number: 20130053786
    Abstract: The present invention aims to provide a gasket for a pre-filled syringe which has excellent air-tightness and liquid-tightness and a mold for forming the gasket. The present invention relate to a mold for a gasket laminated with an inactive film for a pre-filled syringe, wherein at least a surface of the mold which forms a seal sliding surface of an annular protrusion of the gasket is mirror finished to have an arithmetic mean roughness Ra of less than 0.03 ?m.
    Type: Application
    Filed: August 30, 2012
    Publication date: February 28, 2013
    Inventors: Katsushi MAEDA, Junji Tashiro, Hiroaki Nakano, Eiji Yao
  • Elastomeric stopper for containers of pharmaceutical preparations
    Patent number: D686339
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: July 16, 2013
    Assignees: Towa Pharmaceutical Co., Ltd., Sumitomo Rubber Industries, Ltd.
    Inventors: Nobutaka Shima, Junji Tashiro, Manabu Ikuta