Patents by Inventor Yasushi Shikata

Yasushi Shikata 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).

  • Recombinant natural killer cell activator
    Patent number: 5185431
    Abstract: A recombinant natural killer cell activating factor is disclosed, preferably having a peptide of the following amino acid sequence in its molecule. The invention provides a cDNA coding for a recombinant natural killer cell activating factor, a expression plasmid involving the cDNA, a host transformed with the plasmid, an antitumor agent containing the recombinant natural killer cell activating factor and a pharmaceutical composition which comprises a pharmacologically effective amount of the antitumor agent and a pharmacologically acceptable carrier.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: February 9, 1993
    Assignee: Eisai Co., Ltd.
    Inventors: Kentaro Yoshimatsu, Yukio Ohya, Yasushi Shikata, Isao Tanaka, Yoshikazu Hasegawa, Toshio Seto, Toshio Osawa