Patents by Inventor Ichiro Misawa

Ichiro Misawa 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 product, method for producing same and method for producing medical inhalation gas
    Patent number: 11406785
    Abstract: An aspect of the present invention is a gas product including: a gas container; and a gas composition filled in the gas container, in which the gas composition includes nitrogen monoxide, hydrogen, and an inert gas, and a concentration of the nitrogen monoxide is 20% by volume or less based on a volume of the gas composition.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: August 9, 2022
    Assignees: SUMITOMO SEIKA CHEMICALS CO., LTD., THE KITASATO INSTITUTE
    Inventors: Masaaki Yamada, Ichiro Misawa, Hirosuke Kobayashi, Kenichi Kokubo
  • GAS PRODUCT, METHOD FOR PRODUCING SAME AND METHOD FOR PRODUCING MEDICAL INHALATION GAS
    Publication number: 20210308412
    Abstract: An aspect of the present invention is a gas product including: a gas container; and a gas composition filled in the gas container, in which the gas composition includes nitrogen monoxide, hydrogen, and an inert gas, and a concentration of the nitrogen monoxide is 20% by volume or less based on a volume of the gas composition.
    Type: Application
    Filed: March 4, 2020
    Publication date: October 7, 2021
    Inventors: Masaaki YAMADA, Ichiro MISAWA, Hirosuke KOBAYASHI, Kenichi KOKUBO
  • Method for stabilizing low-concentration standard reference gas and low-concentration standard reference gas obtained by the same
    Patent number: 6376249
    Abstract: A method is provided for stabilizing a low-concentration standard reference gas. The stabilizing method includes the steps of treating an inner wall surface of a container with high-purity water for causing the inner wall surface to adsorb the high-purity water, and charging the container with the standard reference gas.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: April 23, 2002
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Fujio Adachi, Hirokazu Kawano, Ichiro Misawa