Patents by Inventor Toshiki Kikuta

Toshiki Kikuta 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: 5453182
    Abstract: A filter for an aquarium apparatus includes a filter tank casing, a filter unit accommodated in the filter tank casing for filtering water from a tank and returning filtered water thereto, a water pool section for collecting water from the tank and supplying water overflowing therefrom directly to a filter material of the filter unit. The filter unit physically and biologically filters water from the tank and returns filtered water thereto.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: September 26, 1995
    Assignee: Nisso Industry Co., Ltd.
    Inventor: Toshiki Kikuta
  • Patent number: 5427060
    Abstract: A screen is used for an aquarium tank having a tank body, a filter unit disposed on the tank body, a case for the filter unit, and a pump mechanism having a water conducting section extending into the tank body from the underside of the case. The screen is configured so as to conceal the water conducting section at least from the front and opposite sides of the tank.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: June 27, 1995
    Assignee: Nisso Industry Co., Ltd.
    Inventor: Toshiki Kikuta