Patents by Inventor Hyoichi Sasaki

Hyoichi Sasaki 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: 4251497
    Abstract: Reaction heat values of basic aluminum sulfate solution with acid such as sulfuric acid are correlative with an amount of base contained in said solution. The difference of temperatures of said solution before and after its reaction with said acid is utilized as an indication for the calibration of the basic amount in the solution. This calibration is effectively utilized for the control of the basic amount of said solution which is employed in the removal of SO.sub.2 gas from a waste gas.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: February 17, 1981
    Assignees: Dowa Mining Co. Ltd., Dowa Engineering Co. Ltd.
    Inventors: Kazumasa Tezuka, Seiichi Hisano, Hyoichi Sasaki, Ikuo Watanabe