Patents by Inventor Tadanori Yoshimatsu

Tadanori Yoshimatsu 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).

  • Patent number: 6001633
    Abstract: An objective of the present invention is to provide a packaging cell for preparing a retrovirus having a high viral titer. The cell producing a recombinant retrovirus is constructed by introducing, the Polyoma virus early region gene together with a recombinant plasmid or a recombinant retrovirus free from any replication origin derived from Polyoma virus into a packaging cell for preparing a recombinant retrovirus.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: December 14, 1999
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Tadanori Yoshimatsu, Kazuhiro Ikenaka