Patents by Inventor Takamasa Yasuda

Takamasa Yasuda 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).

  • Process for isolating superoxide dismutase from red blood cells
    Patent number: 4346174
    Abstract: A process for isolating superoxide dismutase from red blood cells comprising the steps of heating hemolyzed red blood cells in the presence of at least one monovalent inorganic neutral salt and at least one transition metal salt; eliminating precipitate from the hemolyzed red blood cells by filtration or centrifugation to obtain a solution; adding further at least one transition metal salt at least once to the solution under application of heat thereto; and eliminating precipitate from the solution.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: August 24, 1982
    Assignee: Fujizoki Pharmaceutical Co., Ltd.
    Inventor: Takamasa Yasuda