Patents by Inventor Yoshio Niitsu

Yoshio Niitsu 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).

  • Differentiation of Cd34 Positive Cell to Megakaryocyte and Multiplication
    Publication number: 20080233643
    Abstract: An object of the present invention is to provide a method for more efficiently differentiating CD34+ cells derived from umbilical cord blood into megakaryocytic lineage cells and for generating platelets. Coculture of CD34+ cells derived from umbilical cord blood with immortalized stromal cells in the presence of cytokines has enabled cell proliferation up to the 100,000-fold level, which has been impossible to achieve to date.
    Type: Application
    Filed: March 17, 2004
    Publication date: September 25, 2008
    Inventors: Takuya Matsunaga, Hirofumi Hamada, Yoshio Niitsu