Patents by Inventor Hiroshi Fukutome

Hiroshi Fukutome 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 for reducing caking property of coal
    Patent number: 4278442
    Abstract: A method for reducing the caking property of coal, by contacting coal with sulfur dioxide in an amount at least 0.5 times the amount of the coal on a weight basis, at a temperature of at least 120.degree. C. under a pressure of at least 10 Kg/cm.sup.2, and separating the treated coal from the sulfur dioxide, whereby to reduce the caking property of the coal and to render the coal more easily pulverizable.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: July 14, 1981
    Inventors: Minoru Matsuda, Hirotsugu Iwasaki, Yasukatsu Tamai, Masashi Iino, Hiroshi Fukutome