Patents by Inventor Kouichi Nakade

Kouichi Nakade 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).

  • Patent number: 5154893
    Abstract: An air circulator comprises an inlet open to an interior space, an outlet open to the interior space, an air path connecting the inlet with the outlet, and a blower interfering with the air path and driven by motor. A container is provided to connect with the air path and includes therein air treatment agents such as deodorants and aromatics. Furthermore, a venturi tube is provided facing the outlet to suck and discharge the surrounding air together with the air ejected from the outlet, while treating the air in the interior space.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: October 13, 1992
    Assignee: Masuda Harmo K.K.
    Inventor: Kouichi Nakade