Patents by Inventor Hajime SASAMOTO

Hajime SASAMOTO 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).

  • Gasket insertion method for mounting gasket inside outer cylinder of syringe, and gasket for mounting
    Patent number: 10030771
    Abstract: A gasket insertion method for inserting a gasket into an outer cylinder includes providing an outer cylinder having a base end opening section; providing a gasket having a recessed section that is open at a base end of the gasket and that includes a flat bottom surface; pushing the gasket into a sleeve configured to be inserted into the outer cylinder, by relatively moving an inserter in a tip end direction with respect to the sleeve while a flat tip end surface of a tip end section of the inserter abuts the bottom surface of the recessed section; inserting the sleeve into the outer cylinder through the base end opening section; and arranging the gasket inside the outer cylinder by relatively moving the sleeve in a base end direction with respect to the outer cylinder while maintaining relative axial positions of the outer cylinder, the gasket, and the inserter.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: July 24, 2018
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Makoto Shimizu, Hajime Sasamoto
  • GASKET INSERTION METHOD FOR MOUNTING GASKET INSIDE OUTER CYLINDER OF SYRINGE, AND GASKET FOR MOUNTING
    Publication number: 20160146346
    Abstract: A gasket insertion method for inserting a gasket into an outer cylinder includes providing an outer cylinder having a base end opening section; providing a gasket having a recessed section that is open at a base end of the gasket and that includes a flat bottom surface; pushing the gasket into a sleeve configured to be inserted into the outer cylinder, by relatively moving an inserter in a tip end direction with respect to the sleeve while a flat tip end surface of a tip end section of the inserter abuts the bottom surface of the recessed section; inserting the sleeve into the outer cylinder through the base end opening section; and arranging the gasket inside the outer cylinder by relatively moving the sleeve in a base end direction with respect to the outer cylinder while maintaining relative axial positions of the outer cylinder, the gasket, and the inserter.
    Type: Application
    Filed: January 28, 2016
    Publication date: May 26, 2016
    Applicant: Terumo Kabushiki Kaisha
    Inventors: Makoto SHIMIZU, Hajime SASAMOTO