Patents by Inventor Hiroki Urashima

Hiroki Urashima 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 derivative for curing ophthalmological diseases
    Patent number: 6060486
    Abstract: The present invention provides an agent for curing ophthalmological diseases which contains, as the active ingredient, a carbostyril derivative or salt thereof represented by the general formula (I), ##STR1## (wherein R is a halogen atom) particularly, the invention provides effective agent for curing xerophalmia (dry eye) syndrome.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: May 9, 2000
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Hiroki Urashima, Yasuhiro Takeji, Hisashi Shinohara, Shigeki Fujisawa