Patents by Inventor Masanori Okamoto

Masanori Okamoto 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).

  • Alkyl, alkenyl, and aryl substituted triazene compounds, their salts and production thereof
    Patent number: 4297096
    Abstract: A new triazene compound of the formula:R--CH.dbd.N--N.dbd.N--OHwherein R is alkyl, alkenyl or aryl and its pharmaceutically acceptable salts thereof. The production and use of such compounds are also disclosed. The compounds are useful as smooth muscle relaxants and hypotensives.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: October 27, 1981
    Assignee: Fujisawa Pharmaceutical Co. Ltd.
    Inventors: Keizo Yoshida, Hirokazu Tanaka, Masanori Okamoto, Eiko Iguchi, Masanobu Kohsaka, Hatsuo Aoki, Hiroshi Imanaka