Patents by Inventor Koji HAGIHIRA

Koji HAGIHIRA 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).

  • Syringe needle removal apparatus
    Patent number: 11471613
    Abstract: The injection needle removal device has: a cylindrical outer cylinder on an upper opening of an injection needle case; a helical track on an inner peripheral surface of the outer cylinder in a helical shape from an upper locking point to a lower locking point; a syringe holding cylinder helically advances in the outer cylinder along the helical track; an injection needle tightening ring on a lower end portion of the syringe holding cylinder, the injection needle tightening ring holds an injection needle base portion of a syringe in the syringe holding cylinder to clamp the injection needle base portion; and a locking mechanism that stops the syringe holding cylinder where the injection needle tightening ring is exposed from a lower side of the outer cylinder at the lower locking point.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: October 18, 2022
    Assignees: THREE DYNE CO., LTD., NATIONAL UNIVERSITY CORP. KUMAMOTO UNIVERSITY
    Inventors: Koji Hagihira, Yoshitaka Nakanishi, Kazuma Shibata
  • SYRINGE NEEDLE REMOVAL APPARATUS
    Publication number: 20210162137
    Abstract: The injection needle removal device has: a cylindrical outer cylinder on an upper opening of an injection needle case; a helical track on an inner peripheral surface of the outer cylinder in a helical shape from an upper locking point to a lower locking point; a syringe holding cylinder helically advances in the outer cylinder along the helical track; an injection needle tightening ring on a lower end portion of the syringe holding cylinder, the injection needle tightening ring holds an injection needle base portion of a syringe in the syringe holding cylinder to clamp the injection needle base portion; and a locking mechanism that stops the syringe holding cylinder where the injection needle tightening ring is exposed from a lower side of the outer cylinder at the lower locking point.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 3, 2021
    Applicants: THREE DYNE CO., LTD., NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: KOJI HAGIHIRA, YOSHITAKA NAKANISHI, KAZUMA SHIBATA
  • Needle removal operation cover
    Patent number: 10350367
    Abstract: Provided is a needle removal operation cover with which a user can safely perform an injection needle removal operation even when a needle tip is directly inserted into the needle removal operation cover, and with which the user can remove the injection needle without requiring a wrist twisting motion.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: July 16, 2019
    Assignees: THREE DYNE CO., LTD., NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Koji Hagihira, Yoshitaka Nakanishi
  • NEEDLE REMOVAL OPERATION COVER
    Publication number: 20170224933
    Abstract: Provided is a needle removal operation cover with which a user can safely perform an injection needle removal operation even when a needle tip is directly inserted into the needle removal operation cover, and with which the user can remove the injection needle without requiring a wrist twisting motion.
    Type: Application
    Filed: September 10, 2015
    Publication date: August 10, 2017
    Inventors: Koji HAGIHIRA, Yoshitaka NAKANISHI