Patents by Inventor Hideto Mitsui

Hideto Mitsui 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 deashing coal
    Patent number: 4762526
    Abstract: Disclosed is a process for deashing coal, which comprises the following steps (a) to (e):(a) crushing coal to form crushed coal having a particle size distribution of 0.05 to 15 mm and an average particle size of 0.5 to 2 mm,(b) producing an aqueous slurry comprising the crushed coal, 1 to 4 wt.
    Type: Grant
    Filed: August 26, 1986
    Date of Patent: August 9, 1988
    Assignees: The Tokyo Electric Power Co., Inc., Mitsui Engineering & Shipbuilding Co., Ltd., Mitsui & Co., Ltd.
    Inventors: Taiichi Funaji, Haruo Iso, Jisaku Tanimichi, Kenichi Nagata, Toshiaki Murata, Hideto Mitsui