Patents by Inventor Takayoshi Kariya

Takayoshi Kariya 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 and transportation of bovine embryos
    Patent number: 6238920
    Abstract: A method of culturing bovine embryos by culturing said bovine embryos in a medium containing thiol compound, and also a method of transporting bovine embryos by transporting said bovine embryos in a medium containing thiol compound are disclosed. According to the present invention, it is possible to culture bovine embryos up to blastocyst stage efficiently in the medium containing low molecular thiol compound without in vivo culture or coculture using feeder cells. Also when low molecular thiol compound is added to the transportation medium for bovine embryos, almost 100% embryos are still viable after long distant transportation.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: May 29, 2001
    Assignees: Director of National Institute of Animal Industry, Ministry of Agriculture, Forestry and Fisheries, Director of Livestock Improvement Association
    Inventors: Takashi Nagai, Akira Okano, Masashi Takahashi, Takayoshi Kariya, Hiroya Kadokawa, Hitomi Hirako, Masashige Kuwayama, Seizo Hamano