Patents by Inventor Yang Yung-hsiung

Yang Yung-hsiung 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).

  • Carbostyril compounds and compositions containing same
    Patent number: 4414390
    Abstract: A carbostyril compound of the formula (I) ##STR1## wherein the values of the substituents are as defined in the description, and pharmaceutically acceptable salts thereof, composition containing the compound of the formula (I) or its pharmaceutically acceptable salt as an active ingredient, and process for preparing same. The compound of the formula (I) and its pharmaceutically acceptable salts have cardiotonic effects.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: November 8, 1983
    Assignee: Otsuka, Pharmaceutical Co., Ltd.
    Inventors: Michiaki Tominaga, Yang Yung-hsiung, Hidenori Ogawa, Kazuyuki Nakagawa