Patents by Inventor You Torisawa

You Torisawa 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).

  • Suction port body for vacuum-cleaner and vacuum-cleaner having the same
    Patent number: 6237188
    Abstract: A suction nozzle for a vacuum cleaner is designed so that exhaust from a motor blower in the body of the vacuum cleaner is provided into a suction port of the suction nozzle. The exhaust provided into the suction nozzle is prevented from being discharged to the atmosphere at the point where the suction nozzle meets the to-be-cleaned surface.
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: May 29, 2001
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Ritsuo Takemoto, Fumiki Mano, Yosihiro Tutiya, You Torisawa