Patents by Inventor Hirofumi Hamada

Hirofumi Hamada 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).

  • Monoclonal antibody for use in drug resistant cancers and production thereof
    Patent number: 5087560
    Abstract: Monoclonal antibodies are disclosed that may be produced by hybridomas obtained by fusing a mouse spleen cell immunized with an ADRIAMYCIN.RTM.-resistant human tumor cell and a mouse myeloma cell and which inhibit selectively the growth of cancer cells possessing pleiotropic drug resistance or enhance their sensitivity to said drug.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: February 11, 1992
    Assignee: Japanese Foundation for Cancer Research
    Inventors: Takashi Tsuruo, Hirofumi Hamada, Haruo Sugano