Patents by Inventor Richard L. Stouffer

Richard L. Stouffer 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).

  • Enhancement of fertilization capability of oocytes
    Patent number: 5693534
    Abstract: A method is provided for increasing the fertilization potential of oocytes comprising culturing oocytes in vitro with an effective amount of inhibin, activin, or a combination of inhibin and activin. Preferably the oocytes being cultured are immature. After the culturing step, the oocytes can be fertilized. The oocytes are suitably cryopreserved and thawed before the culturing step.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 2, 1997
    Assignees: Genentech, Inc., Oregon Regional Primate Research Center
    Inventors: Baha M. Alak, Richard L. Stouffer, Don P. Wolf, Teresa K. Woodruff
  • Use of human inhibin and human activin to increase the number of mature primate oocytes
    Patent number: 5563059
    Abstract: A method is provided for increasing the fertilization potential of oocytes comprising culturing oocytes in vitro with an effective amount of inhibin, activin, or a combination of inhibin and activin. Preferably the oocytes being cultured are immature. After the culturing step, the oocytes can be fertilized. The oocytes are suitably cryopreserved and thawed before the culturing step.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: October 8, 1996
    Assignees: Genentech, Inc., Medical Research Foundation of Oregon
    Inventors: Baha M. Alak, Richard L. Stouffer, Don P. Wolf, Teresa K. Woodruff