Patents by Inventor Yoshiro Kumano

Yoshiro Kumano 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).

  • Method and immunochemical measurement
    Patent number: 4473652
    Abstract: A method for immunochemical assay of an antigen or antibody by labelling the antigen or antibody with a specific cyanine or merocyanine dye containing a carboxy group followed by effecting an immune reaction and photochemical processing thereof is provided. The amount of the antigen or antibody is measured in term of optical density of developed silver halide which is brought into contact with either the antigen-antibody reaction product or the unreacted material.This immunochemical assay method gives high detection sensitivity in a simple operation manner.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: September 25, 1984
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masaki Okazaki, Nobuhito Masuda, Yoshiro Kumano