Patents by Inventor Katsuyuki Tomita

Katsuyuki Tomita 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).

  • Coal reforming method and coal reforming apparatus
    Patent number: 9309465
    Abstract: A coal reforming method includes: drying; performing carbonizing; and cooling. (1) In the drying, coal is classified into coarse coal and fine coal while being dried, and heat obtained by burning at least a portion of the fine coal and at least a portion of the carbonizing gas is used as a heat source during the drying or the carbonizing. (2) In the cooling, the char is classified while being cooled to separate fine char from the char, and heat obtained by burning at least a portion of the fine char and at least a portion of the carbonizing gas is used as a heat source during the drying or the carbonizing. At least any one of (1) and (2) is performed.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: April 12, 2016
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hiroyuki Kozuru, Akira Kanei, Katsuyuki Tomita, Katsushi Kosuge, Atsushi Kobayashi
  • COAL REFORMING METHOD AND COAL REFORMING APPARATUS
    Publication number: 20150175891
    Abstract: A coal reforming method includes: drying; performing carbonizing; and cooling. (1) In the drying, coal is classified into coarse coal and fine coal while being dried, and heat obtained by burning at least a portion of the fine coal and at least a portion of the carbonizing gas is used as a heat source during the drying or the carbonizing. (2) In the cooling, the char is classified while being cooled to separate fine char from the char, and heat obtained by burning at least a portion of the fine char and at least a portion of the carbonizing gas is used as a heat source during the drying or the carbonizing. At least any one of (1) and (2) is performed.
    Type: Application
    Filed: July 19, 2013
    Publication date: June 25, 2015
    Inventors: Hiroyuki Kozuru, Akira Kanei, Katsuyuki Tomita, Katsushi Kosuge, Atsushi Kobayashi