Patents by Inventor Toshiko Yamamoto

Toshiko Yamamoto 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).

  • Topical therapeutic preparation
    Patent number: 5236906
    Abstract: A topical therapeutic preparation which contains an adrenocortical hormone and hyaluronic acid, the amount of said adrenocortical hormone being lower than the usual clinical dose of it, is used for combatting a skin disease.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: August 17, 1993
    Assignee: Takeda Chemical Industries, Ltd.
    Inventor: Toshiko Yamamoto