Patents by Inventor Shiroh Yoshioka

Shiroh Yoshioka 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).

  • Method for treatment of alopecia
    Patent number: 6380179
    Abstract: A method of using a specified active ingredient for treating alopecia, female hirsutism and seborrhea and for preventing bone metastasis caused by prostatic cancer. The specified active ingredient is a compound (I) or a pharmaceutically acceptable (i) salt, (ii) ester or (iii) hydrate thereof. R1, R2: hydrogen atom, hydroxyl group, a protected hydroxyl group or a lower alkoxy group.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: April 30, 2002
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Kojima, Takakazu Hamada, Shiroh Yoshioka