Patents by Inventor Takashi Usagawa

Takashi Usagawa 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).

  • Monoclonal antibody to okadaic acids, process for producing the monoclonal antibody, assay reagent for assaying okadaic acids using the monoclonal antibody, and assay method
    Patent number: 5171664
    Abstract: A monoclonal antibody which specifically binds okadaic acids and a process for producing the monoclonal antibody by culturing a cell strain capable of producing the antibody. The monoclonal antibody to okadaic acids labelled with an enzyme is useful for assaying okadaic acids.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: December 15, 1992
    Assignee: UBE Industries, Ltd.
    Inventors: Taizo Uda, Yukikatsu Itoh, Takashi Usagawa, Minoru Nishimura, Kasumi Sudoh
  • Diagnostic test drug comprising monoclonal antibody to human copper.zinc-superoxide dismutase and diagnostic test method using the same
    Patent number: 4910133
    Abstract: There is disclosed a measurement reagent for a human Cu.Zn-superoxide dismutase (SOD) which comprises an anti-human Cu.Zn-SOD monoclonal antibody labelled with an enzyme, a method for measuring a human Cu.Zn-SOD which comprises measuring the human Cu.Zn-SOD with the measurement reagent for the human Cu.Zn-SOD, and an anti-human Cu.Zn-SOD monoclonal antibody by the enzyme-linked immunosorbent assay according to the sandwich method, a diagnostic test drug for a human cancer of the stomach which comprises the measurement reagent and a method for diagnosing and testing a human cancer of the stomach which comprises measuring the human Cu.Zn-superoxide dismutase with the measurement reagent, and an anti-human Cu.Zn-superoxide dismutase monoclonal antibody by the enzyme-linked immunosorbent assay according to the sandwich method.
    Type: Grant
    Filed: August 27, 1986
    Date of Patent: March 20, 1990
    Assignee: Ube Industries, Limited
    Inventors: Taizo Uda, Schirou Noji, Takashi Usagawa, Kazuhiro Umeda