Patents by Inventor Nobuko Suzuki

Nobuko Suzuki 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 determination of ion concentration, specific gravity, or osmotic pressure of solution
    Patent number: 5215712
    Abstract: A method for the determination of the ion concentration, specific gravity, or osmotic pressure of a solution, which comprises causing to contact a solution under test a coloring substance formed of a pigment or a precursor of pigment having solubility correlated with the ion concentration of said solution and detecting the solubility of said coloring substance in said solution, and an apparatus therefor.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: June 1, 1993
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Tetsuro Kawanishi, Nobuko Suzuki, Hiroshi Suzuki