Patents by Inventor Yoshiki Kosuge

Yoshiki Kosuge 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).

  • Patent number: 5632997
    Abstract: A compound of general formula, in substantially pure form, wherein A is a cation. A method for preparation is also disclosed, together with compositions and methods of use thereof. The active principle, isolated from shark tissue, is used for treating liver disfunction, or protecting liver function, in mammals.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 27, 1997
    Assignee: J. W. Broadbent Nominees Pty. Ltd.
    Inventors: Takuo Kosuge, Kuniro Tsuji, Hitoshi Ishida, Yoshiki Kosuge
  • Patent number: 5470574
    Abstract: A compound of general formula, in substantially pure form, wherein A is a cation. A method for preparation is also disclosed, together with compositions and methods of use thereof.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: November 28, 1995
    Assignee: J. W. Broadbent Nominees Pty. Ltd.
    Inventors: Takuo Kosuge, Kuniro Tsuji, Hitoshi Ishida, Yoshiki Kosuge
  • Patent number: 5451575
    Abstract: The present invention relates to 24R-scymnol, including its preparation in substantially pure form and to its use in the treatment of liver dysfunction.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: September 19, 1995
    Assignee: J. W. Broadbent Nominees Pty., Ltd.
    Inventors: Yoshiki Kosuge, Takuo Kosuge, Kuniro Tsuji, Hitoshi Ishida
  • Patent number: 5026883
    Abstract: A compound of general formula, in substantially pure form, wherein A is a cation. A method for preparation is also disclosed, together with compositions and methods of use thereof.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: June 25, 1991
    Assignees: Yoshiki Kosuge, James Meredyth Broadbent
    Inventors: Takuo Kosuge, Kuniro Tsuji, Hitoshi Ishida, Yoshiki Kosuge