Patents by Inventor Junichiro Kikutake

Junichiro Kikutake 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).

  • Glycoprotein derivative compositions, process for producing the same and uses thereof as diagnostic reagents or hydrolytic catalysts
    Patent number: 4367309
    Abstract: Highly stable glycoprotein derivative compositions showing little tendency to decrease in physiological activity thereof are produced by reacting an aldehyde-group-containing glycoprotein (A) with an SH- or OH-containing material (B), and if necessary further reacting the resulting product with an SH- or OH-containing material of the same or another kind. They are used as diagnostic reagents or hydrolytic catalysts.
    Type: Grant
    Filed: January 31, 1979
    Date of Patent: January 4, 1983
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shigeharu Kondo, Junichiro Kikutake, Masakazu Sugiura, Masaru Yoshida
  • Immunologically active substance-glass conjugates, process for producing the same and diagnostic reagents containing the same
    Patent number: 4280992
    Abstract: An immunologically active substance-glass conjugate comprising an immunologically active substance physically or chemically bound to the surface of a frosted glass makes it possible to assay physiologically active substances in body fluids with high sensitivity.
    Type: Grant
    Filed: January 23, 1979
    Date of Patent: July 28, 1981
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Masakuzu Sugiura, Junichiro Kikutake, Masaru Yoshida, Shigeharu Kondo