Patents by Inventor Kohei Fujimura

Kohei Fujimura 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).

  • Exhaust gas treatment apparatus
    Patent number: 5238658
    Abstract: An exhaust gas treatment apparatus, which comprises first and second gas adsorbing columns each having inlet and outlet pipes; and switch-over pipes connecting the first and second gas adsorbing columns being alternatively arranged in parallel to or in series with each other, the switch-over pipes having valves arranged therein.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: August 24, 1993
    Assignee: Teisan Kabushiki Kaisha
    Inventors: Takayuki Makioka, Kohei Fujimura