Patents by Inventor Shigeo Komoto

Shigeo Komoto 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).

  • Indole alkaloid compositions and their methods of use
    Patent number: 4895844
    Abstract: This invention relates to novel compositions which are useful as antitumor compositions, a process of producing the compositions and a method for inhibiting tumors, utilizing the compositions. More particularly, the novel compositions are indole alkaloid compositions which are derived from marine sponges of the family Biemnidae.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: January 23, 1990
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Shigeo Komoto, Oliver J. McConnell
  • Alkaloid compounds, and pharmaceutical compositions containing them
    Patent number: 4868191
    Abstract: Novel alkaloid compounds that are derivatives of methaniminoetheno[d,e]acridine are derived from marine sponges of the genus Dercitus. These compounds and pharmaceutical compositions containing therapeutic effective amounts thereof are useful as antitumor and immunomodulatory medications.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: September 19, 1989
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Shigeo Komoto, Y. A. Gunawardana
  • Antiviral furanoditerpenoids
    Patent number: 4801607
    Abstract: This invention relates to antitumor and antiviral furanoditerpenoid compositions, a process of producing the compositions and a method for inhibiting tumors and viruses utilizing the compositions. More particularly, the new compositions are antitumor and antiviral furanoterpenoids which are derived from marine organisms, i.e., the marine sponge Spongia sp.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: January 31, 1989
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Shigeo Komoto, Oliver J. McConnell, Sue S. Cross