Patents by Inventor Yoshiyuki Matsuoko

Yoshiyuki Matsuoko 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).

  • Novel biphenyl derivative and production and use thereof
    Patent number: 4987240
    Abstract: The present invention relates to a novel biphenyl derivative having a liver ailment-moderating action, which is effective for the remedy of liver diseases such as acute hepatitis and chronic hepatitis, a process for the preparation of this derivative and a liver ailment-moderating agent comprising this derivative as an active ingredient. Moreover, the present invention relates to a compound valuable as the intermediate compound for the synthesis of this derivative and a process for efficiently preparing this intermediate compound.
    Type: Grant
    Filed: November 21, 1989
    Date of Patent: January 22, 1991
    Assignee: Tsumura & Co.
    Inventors: Yoshiyuki Matsuoko, Kunio Hosaka, Shigefumi Takeda, Hiroshi Mitsuhashi