Patents by Inventor Ikuo Yabe

Ikuo Yabe 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).

  • Automatic apparatus for continuous determination of boron and lithium concentrations
    Patent number: 4204259
    Abstract: There is disclosed an apparatus including a calculating circuit for automatic determination of the boron concentration with the Li-ion concentration of the primary cooling water in a pressurized water atomic power plant. The conductivity of a sample of the cooling water is measured before and after the sample water is mixed with a mannitol solution; the Li-ion concentration is calculated from the measurement obtained and the correct boron concentration is calculated with correction based on the Li-ion concentration.
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: May 20, 1980
    Assignee: Nikkiso Co., Ltd.
    Inventor: Ikuo Yabe