Patents by Inventor Satoru Tokuoka

Satoru Tokuoka 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: 5221690
    Abstract: A method for increasing the choroidal blood flow which comprises administering to a subject in need of such increasing a 13,14-dihydro-15-keto-20-ethyl-prostaglandin F, a pharmaceutically acceptable salt thereof or a lower alkyl ester thereof.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: June 22, 1993
    Assignee: R-Tech Ueno Ltd.
    Inventors: Tetsuya Sugiyama, Satoru Tokuoka, Masayuki Nakajima, Ikuo Azuma