Patents by Inventor Michio Terazawa

Michio Terazawa 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 rheumatism
    Patent number: 4281001
    Abstract: A method of treating rheumatism which comprises administration of 9-chloro-7-(1H-tetrazol-5-yl)-5-oxo-5H-[1H]benzopyrano[2,3-b]pyridine, and its salt and its hydrate.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: July 28, 1981
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Yutaka Maruyama, Kazuhiro Goto, Michio Terazawa