Patents by Inventor Hiroshi Kamitakahara

Hiroshi Kamitakahara 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).

  • Polymer compounds comprising glycosphingosine
    Patent number: 6358919
    Abstract: A polymer compound or a salt thereof which comprises a biodegradable polymer such as polyglutamic acid acetylated at N-terminal thereof containing a glycosphingolipid such as lysoganglioside GM3, and which exerts antiviral activity against variety of viruses and is useful as an active ingredient of a medicament.
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: March 19, 2002
    Assignee: The Institute of Physical and Chemical Research
    Inventors: Osamu Kanie, Chi-Huey Wong, Hiroshi Kamitakahara