Patents by Inventor by Yoshimasa Katayama, heir

by Yoshimasa Katayama, heir 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).

  • Method of treating malignant tumors
    Patent number: 5171738
    Abstract: Lipopolysaccharides derived from the cell walls of Gram-negative bacteria, also known as endotoxins or pyrogens, are immobilized on a solid, insoluble carrier. The blood, blood plasma or blood serum of a tumor-bearing patient is passed over the immobilized lipopolysaccharide-containing blood treating material to treat the patient's tumor.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: December 15, 1992
    Assignee: Toray Industries, Inc.
    Inventors: Masashi Kodama, Yutaka Katayama, deceased, by Shigemasa Katayama, heir, by Nobuko Katayama, heir, by Yoshimasa Katayama, heir, Toru Tani, Kazuo Teramoto, Mutsuo Murakami