Patents by Inventor Shunsuke Goto

Shunsuke Goto 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: 4973693
    Abstract: Novel pentacyclic compounds having antimicrobial and antitumor activity and a process for preparing the same. The pentacyclic compounds are also usefual as intermediates in the production of known tetracyclic antitumor compounds.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: November 27, 1990
    Inventors: Shunsuke Goto, Tohru Fukuyama