Patents by Inventor Junichiro Nada

Junichiro Nada 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 thermal dehydration of brown coal
    Patent number: 4185395
    Abstract: A method is disclosed for thermal dehydration of brown coal, by which an excellent heat recovery can be accomplished. The method includes the steps of admixing raw brown coal with a solvent to prepare a slurry, preheating the slurry in a heat exchanger, heating the same at 100.degree. to 300.degree. C., passing it through a gas-liquid separator to separate it into a steam-containing vapor and a dehydrated slurry and recoverying the dehydrated slurry while the steam-containing vapor is recycled to the heat exchanger so as to be utilized as a heating medium for preheating the slurry.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: January 29, 1980
    Assignee: Kobe Steel, Limited
    Inventors: Yukio Nakako, Kenjiro Motonaga, Junichiro Nada, Toshio Ohzawa, Shizuo Yokota, Haruo Kakunai