Patents by Inventor Niro Sakai

Niro Sakai 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).

  • Patent number: 4336453
    Abstract: A non-dispersion type infrared analyzer for simultaneously determining plural components of a sample fluid, wherein a standard fluid and a sample fluid are alternately supplied in a cell and a plurality of pneumatic detectors, each of which corresponds respectively to one component to be determined, are arranged optically in series with respect to a light source. The extremely troublesome zero-adjustment, adjustment of the phases and re-adjustment of the compensation for eliminating the influences of interference components due to changes in the zero-drift or the deviation of phases are not required.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: June 22, 1982
    Assignee: Horiba Limited
    Inventors: Takao Imaki, Hajime Mikasa, Niro Sakai