Patents by Inventor Haruhiko Ueda

Haruhiko Ueda 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: 4657901
    Abstract: The present invention concerns a composition for topical application which is greatly useful for the treatment of acne. The composition contains (1) a compound of the formula: ##STR1## or its ester or ether, (2) keratolytic agent and (3) pharmaceutically acceptable carrier.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: April 14, 1987
    Assignees: Sheiseido Company, Ltd., Takeda Chemical Industries, Ltd.
    Inventors: Haruhiko Ueda, Hidekazu Toyoda, Minoru Fukuda