Patents by Inventor Yasuhisa Kuroki

Yasuhisa Kuroki 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).

  • Phosphonic ester derivatives of quinazolinones
    Patent number: 5798344
    Abstract: The invention provides a phosphonic diester derivative of the formula: ##STR1## wherein R.sup.1 -R.sup.7 are substituent groups, as defined in the specification.The derivatives according to the invention are useful as therapeutic or preventive compositions for hyperlipidemia, hypertension, and diabetes.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: August 25, 1998
    Assignee: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Yasuhisa Kuroki, Kazuyoshi Miyata, Yoshihiko Tsuda, Yasuhide Inoue, Jun Kanaya, Keigo Sato