Patents by Inventor Hideji Idei

Hideji Idei 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).

  • Apparatus for regeneration of wet spent active carbon
    Patent number: 4221560
    Abstract: The present invention provides an apparatus for the regeneration of wet spent active carbon devised so as to bring the active carbon supplied from a hopper into contact with a reaction gas generated or heated to high temperature in a furnace, wherein an exhaust duct for the high-temperature exhaust gas from the furnace is installed penetrating the hopper in order to heat the active carbon descending therein and a condensate collecting header for discharging water separated from the active carbon is disposed at the lower part of the hopper.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: September 9, 1980
    Assignees: JGC Corporation, Takeda Chemical Industries, Ltd.
    Inventors: Hideji Idei, Mitsuhiko Iwasaki, Michio Ito, Toshimichi Hirabayashi, Zenji Matsumoto, Nobutaka Ninomiya