Patents by Inventor Fujio Adachi

Fujio Adachi 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).

  • 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