Patents by Inventor Tetsurou Tanabe

Tetsurou Tanabe 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: 7531631
    Abstract: The present invention herein discloses a method for purifying human serum albumin, which is characterized in that it comprises the steps of heat-treating a human serum albumin-containing solution including impurities originated from a host cell, in the presence of a divalent cation such as calcium ion, magnesium ion, nickel ion, cobalt ion, iron ion and zinc ion to thus selectively allow the impurities to undergo agglutination. The present invention also provides the highly purified human serum albumin prepared by the foregoing method.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: May 12, 2009
    Assignee: Juridical Foundation the Chemoserotherapeutic Research Institute
    Inventors: Shinichi Shibata, Kazuyuki Nakashima, Tetsurou Tanabe, Yoshinobu Miyatsu, Hiroshi Mizokami
  • Publication number: 20060258850
    Abstract: The present invention herein discloses a method for purifying human serum albumin, which is characterized in that it comprises the steps of heat-treating a human serum albumin-containing solution including impurities originated from a host cell, in the presence of a divalent cation such as calcium ion, magnesium ion, nickel ion, cobalt ion, iron ion and zinc ion to thus selectively allow the impurities to undergo agglutination. The present invention also provides the highly purified human serum albumin prepared by the foregoing method.
    Type: Application
    Filed: July 20, 2006
    Publication date: November 16, 2006
    Inventors: Shinichi Shibata, Kazuyuki Nakashima, Tetsurou Tanabe, Yoshinobu Miyatsu, Hiroshi Mizokami