Patents by Inventor Shoshiro Asakura

Shoshiro Asakura 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).

  • Malaria associated antigen and preparing process thereof
    Patent number: 4643896
    Abstract: Disclosed is a novel malaria associated antigen (CRA) and a preparing process of the antigen.CRA according to the invention can be obtained from Plasmodium-infected erythrocytes by firstly homogenizing Plasmodium-infected erythrocytes, dissolving the thus obtained precipitate by means of a solubilizing agent, and being followed by isolating glycoprotein which can be bound to lectin which can enter into specific combination with terminal mannose, from the supernatant component of the solution.Thus obtained CRA is very useful and effective as a malaria vaccine.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: February 17, 1987
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shoshiro Asakura, Masakazu Adachi