Patents by Inventor Tadashi Komiyama

Tadashi Komiyama 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 the dehydration and liquefaction of water-containing coal
    Patent number: 4344837
    Abstract: In a process wherein a slurry of water-containing coal and a solvent is heated to 100.degree.-350.degree. C. and then subjected to vapor-liquid separation by which water vapor is separated from the slurry to obtain a dehydrated slurry, a slurry to be dehydrated is mixed with a part of the dehydrated slurry and then heated. The dehydrated slurry thus obtained is suitable for use as a starting material for the hydrogenolysis of coal.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: August 17, 1982
    Assignee: Mitsui Coke Co., Ltd.
    Inventors: Tadashi Komiyama, Shoichi Oi, Noriaki Ohnishi, Shinya Mori, Tadanobu Takata, Isao Kubo