Patents by Inventor Turukichi Yokogawa

Turukichi Yokogawa 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 producing blood powder
    Patent number: 4666725
    Abstract: Blood is supplied continuously from a blood collecting vessel to a stirrer through a pump located at the bottom of the vessel. Vapor in the form of heated live steam is sprayed against the blood in the stirrer to coagulate a protein in the serum. The blood containing the coagulated protein and water, and other substances are dehydrated to form a solid product containing water. This product is divided into fine particles, and these particles are dried to form blood powder having a water content of about 15%.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: May 19, 1987
    Inventors: Seiji Yamashita, Turukichi Yokogawa