Patents by Inventor Yoichi Nagami

Yoichi Nagami 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: 5521296
    Abstract: The present invention provides a glycoprotein derived from human cell membrane, which has a molecular weight of 20 to 25 Kd as estimated by SDS polyacrylamide gel electrophoresis, and contains N-glycoside type carbohydrate chain and phosphatidylinositol, and possesses an inhibitory activity to complement-mediated cell membrane damage. The present invention further provides a gene coding for the glycoprotein, and a method for the production of the glycoprotein and the gene therefor.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: May 28, 1996
    Assignees: Hidechika Okada, Mitsubishi Kasei Corp.
    Inventors: Hidechika Okada, Noriko Okada, Yoichi Nagami, Kazuhiro Takahashi, Hisao Takizawa, Jun Kondo
  • Patent number: 5179198
    Abstract: The present invention provides a glycoprotein derived from human cell membrane, which has a molecular weight of 20 to 25 Kd as estimated by SDS polyacrylamide gel electrophoresis, and contains N-glycoside type carbohydrate chain and phosphatidylinositol, and possesses an inhibitory activity to complement-mediated cell membrane damage. The present invention further provides a gene coding for the glycoprotein, and a method for the production of the glycoprotein and the gene therefor.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: January 12, 1993
    Assignees: Hidechika Okada, Mitsubishi Corporation
    Inventors: Hidechika Okada, Noriko Okada, Yoichi Nagami, Kazuhiro Takahashi, Hisao Takizawa, Jun Kondo