Patents by Inventor Chiaki Tagawa

Chiaki Tagawa 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: 5278297
    Abstract: A gene coding for Protein H, which is capable of binding specifically to human IgG of all subclasses, was isolated from Streptococcus sp. AP1 and expressed in host cells, E. coli to produce the Protein H.
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: January 11, 1994
    Assignees: Sumitomo Pharmaceuticals Company, Ltd., HighTech Receptor AB
    Inventors: Hideyuki Gomi, Tatsunobu Hozumi, Shizuo Hattori, Chiaki Tagawa, Fumitaka Kishimoto, Lars Bjorck
  • Patent number: 5180810
    Abstract: A gene coding for Protein H, which is capable of binding specifically to human IgG of all subclasses, was isolated from Streptococcus sp. APl and expressed in host cells, E. coli to produce the Protein H.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: January 19, 1993
    Assignees: Sumitomo Chemical Co., Limited, HighTech Receptor AB
    Inventors: Hideyuki Gomi, Tatsunobu Hozumi, Shizuo Hattori, Chiaki Tagawa, Fumitaka Kishimoto, Lars Bjorck