Patents by Inventor Hisafumi ITO

Hisafumi ITO 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).

  • Manufacturing method of syringe barrel
    Patent number: 10220150
    Abstract: The present invention provides a manufacturing method of a syringe barrel capable of securing smoothness of a nozzle tip and productivity. A manufacturing method of a syringe barrel that is injection-molded from a nozzle tip comprises cutting a remaining gate at a nozzle part using an ultrasonic cutting apparatus having a mechanism for suppressing abnormal vibrations.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: March 5, 2019
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Hisafumi Ito, Takashi Kashiba
  • MANUFACTURING METHOD OF SYRINGE BARREL
    Publication number: 20160325045
    Abstract: The present invention provides a manufacturing method of a syringe barrel capable of securing smoothness of a nozzle tip and productivity. A manufacturing method of a syringe barrel that is injection-molded from a nozzle tip comprises cutting a remaining gate at a nozzle part using an ultrasonic cutting apparatus having a mechanism for suppressing abnormal vibrations.
    Type: Application
    Filed: February 9, 2015
    Publication date: November 10, 2016
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Hisafumi ITO, Takashi KASHIBA