Patents by Inventor Nagayasu Satoh

Nagayasu Satoh 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).

  • Blood purification with coated activated carbon spheres
    Patent number: 4169051
    Abstract: A process to use coated beads-shaped activated carbon as an adsorbent in purification of the blood is disclosed. The absorbent is prepared by coating a beads-shaped activated carbon with a film-forming material. The coated beads-shaped activated carbon exhibits excellent properties with regard to the amount of the free carbon dusts, the ash to be dissolved out, the residual solvent, the degree of coagulation of the blood, and high safety, as compared with the conventional adsorbents.
    Type: Grant
    Filed: November 9, 1977
    Date of Patent: September 25, 1979
    Assignee: Eisai Co., Ltd.
    Inventors: Nagayasu Satoh, Hideo Takahira, Kuniaki Terato