Patents by Inventor Ralph Brinster

Ralph Brinster 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).

  • Culture conditions and growth factors affecting fate determination, self-renewal and expansion of rat spermatogonial stem cells
    Publication number: 20070192881
    Abstract: The present invention relates to methods of identifying and enriching rat spermatogonioal stem cells, and compositions thereof. Further, the invention relates to methods and compositions for the isolation, maintenance and proliferation of rat spermatogonial stem cells, as well as methods and compositions for the identification and use of factors influencing rat spermatogonial stem cell maintenance and proliferation.
    Type: Application
    Filed: September 19, 2005
    Publication date: August 16, 2007
    Inventors: Ralph Brinster, Hiroshi Kubota, Buom-Yong Ryu
  • Culture conditions and growth factors affecting fate determination, self-renewal and expansion of rat spermatogonial stem cells
    Publication number: 20070180542
    Abstract: The present invention relates to methods of identifying and enriching spermatogonioal stem cells, and compositions thereof. Further, the invention relates to methods and compositions for the isolation, maintenance and proliferation of spermatogonial stem cells, as well as methods and compositions for the identification and use of factors influencing spermatogonial stem cell maintenance and proliferation.
    Type: Application
    Filed: October 11, 2006
    Publication date: August 2, 2007
    Inventors: Ralph Brinster, Hiroshi Kubota