Patents by Inventor Kosaburo Sato

Kosaburo Sato 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).

  • Novel interferon alphas
    Patent number: 4780530
    Abstract: Novel IFN.alpha.S51B10 and IFN.alpha.S17H9 of this invention are prepared from BALL-1 cell induced with Sendai virus according to the well known recombinant DNA technique. Further, this invention relates to a DNA encoding interferon .alpha.S51B10 or .alpha.S17H9, a recombinant plasmid enabling an expression of interferon .alpha.S51B10 or .alpha.S17H9 in a host microorganism and a microorganism transformed by the recombinant plasmid. These two IFN.alpha.s have antiviral and anti-tumor activity as other subtypes of IFN.alpha. and are useful as medicines for human and animal.
    Type: Grant
    Filed: August 8, 1985
    Date of Patent: October 25, 1988
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiroshi Teraoka, Kosaburo Sato, Kentaro Tanaka
  • Sulfonamido-benzamide derivatives
    Patent number: 4595780
    Abstract: Novel sulfonamide benzamides which have potent antiviral and anti-coccidial activities with low toxicity and compositions containing them used in prophylaxis or treatment of viral infectious diseases or coccidiosis are provided.
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: June 17, 1986
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masaru Ogata, Kosaburo Sato, Takao Konishi
  • 3-Sulfonamido-benzophenonimine derivatives useful for treating virus infections
    Patent number: 4435394
    Abstract: 3-Sulfonamido-benzophenonimine derivatives useful for prophylactically or therapeutically treating patients suffering from viral infections are provided from 3-sulfonamido-benzophenones.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: March 6, 1984
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masaru Ogata, Kosaburo Sato