Patents by Inventor Yoshiaki Iwashita

Yoshiaki Iwashita 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).

  • Apparatus for determining the concentration of oil in another liquid
    Patent number: 4624133
    Abstract: An apparatus for determining the concentration of oil in another liquid has an oil extracting apparatus for mixing a sample of oil containing liquid and an oil-extracting solvent, a source of solvent, a solvent pump having the intake side connected to the source of solvent and the discharge side connected to the oil extracting apparatus for pumping oil extracting solvent from the source of solvent along a solvent flow path into the oil extracting apparatus, a water pump for pumping a liquid containing oil therein into the oil extracting apparatus, a separator for receiving the mixture of oil, water and solvent from the oil extracting apparatus and separating the oil-containing solvent therefrom, and an analyzer for analyzing the oil-containing solvent for oil content.
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: November 25, 1986
    Assignee: Horiba, Ltd.
    Inventor: Yoshiaki Iwashita