Patents by Inventor Toshio Izako

Toshio Izako 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).

  • Reagent for immunoassay, and device using the same
    Patent number: 5459045
    Abstract: A reagent for use in an immunoassay for measuring haptens, antigens or antibodies by means of a competitive binding method, which comprises a combination of an antibody and a labelled hapten or a labelled antigen or a combination of a hapten or an antigen and a labelled antibody, wherein the antibody and the labelled hapten or the labelled antigen in one combination or the hapten or the antigen and the labelled antibody in another combination are capable of undergoing reversible binding, and a device for use in an immunoassay wherein the reagent of the present invention is included in a single container.An immunoassay can be performed in a short time by the use of the immunoassay device of the present invention.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: October 17, 1995
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Sato, Tadakazu Yamauchi, Toshio Izako, Masahiro Nobuhara, Ei Mochida
  • Reagents for use in competition assays for progesterone
    Patent number: 5283176
    Abstract: A reagent for use in an immunoassay for measuring haptens, antigens or antibodies by means of a competitive binding method, which comprises a combination of an antibody and a labelled hapten or a labelled antigen or a combination of a hapten or an antigen and a labelled antibody, wherein the antibody and the labelled hapten or the labelled antigen in one combination or the hapten or the antigen and the labelled antibody in another combination are capable of undergoing reversible binding, and a device for use in an immunoassay wherein the reagent of the present invention is included in a single container. This immunoassay can be performed in a short time by the use of the immunoassay device of the present invention.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: February 1, 1994
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Sato, Tadakazu Yamauchi, Toshio Izako, Masahiro Nobuhara, Ei Mochida