Patents by Inventor Shinya Ueda

Shinya Ueda 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).

  • Infrared ray gas analyzing apparatus
    Patent number: 4180733
    Abstract: An infrared type gas analyzer having measuring and reference cells is equipped with alternately switchable valves so that the cells can alternate acting as the measuring and reference cells. The output of the detector is stored for each configuration and these outputs are subtracted from one another to provide the output of the analyzer.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: December 25, 1979
    Assignee: Fuji Electric Co., Ltd.
    Inventor: Shinya Ueda