Patents by Inventor Kiyokazu Tsujide

Kiyokazu Tsujide 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).

  • Therapeutic and prophylactic agent for gastritis
    Patent number: 4814353
    Abstract: Gastritis is treated and prevented by administration to a human being of a prenyl ketone compound having the formula in which n is 3, 4 or 5.
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: March 21, 1989
    Assignee: Eisai Co., Ltd.
    Inventors: Masaharu Itor, Kiyokazu Tsujide