Patents by Inventor Kouichi NISHIZAKA

Kouichi NISHIZAKA 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).

  • Gas purge port
    Patent number: 11448330
    Abstract: A container main body has a container main body opening portion in one end portion. The lid body is attachable to and detachable from the container main body opening portion and capable of blocking the container main body opening portion. The gas purge port is provided with a seal face provided in at least one of a ventilation path forming portion and a part of the gas purge port other than the ventilation path forming portion and the check valve member and coming into close contact with a gas injection port. The seal face is provided with a close contact pad constituted by an elastic body for preventing gas leakage between the gas injection port and the seal face.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: September 20, 2022
    Assignee: MIRAIAL CO., LTD.
    Inventors: Chiaki Matsutori, Kouichi Nishizaka
  • GAS PURGE PORT
    Publication number: 20200386334
    Abstract: A container main body has a container main body opening portion in one end portion. The lid body is attachable to and detachable from the container main body opening portion and capable of blocking the container main body opening portion. The gas purge port is provided with a seal face provided in at least one of a ventilation path forming portion and a part of the gas purge port other than the ventilation path forming portion and the check valve member and coming into close contact with a gas injection port. The seal face is provided with a close contact pad constituted by an elastic body for preventing gas leakage between the gas injection port and the seal face.
    Type: Application
    Filed: February 19, 2018
    Publication date: December 10, 2020
    Inventors: Chiaki MATSUTORI, Kouichi NISHIZAKA