Patents by Inventor Shunichi Imaizumi

Shunichi Imaizumi 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).

  • Filtering apparatus of circulating flush toilet
    Patent number: 7155750
    Abstract: A filtering apparatus of a circulating flush toilet recycling drain water having used for washing the inside a toilet bowl is disposed between a water-receiving tank and a water-pumping tank of the flush toilet so as to solve problems such as clogging of a pipe and a pump failure. The filtering apparatus includes a casing, a toothed gate formed in a part of the casing, close to the water-receiving tank, and a filtering unit which filters water overflown from the water-receiving tank and passing through the gate, in multiple stages, and which causes the filtered drain water to flow into the water-pumping tank.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: January 2, 2007
    Assignee: Nakatomi Industrial Co., Ltd.
    Inventor: Shunichi Imaizumi
  • Filtering apparatus of circulating flush toilet
    Publication number: 20050028261
    Abstract: A filtering apparatus of a circulating flush toilet recycling drain water having used for washing the inside a toilet bowl is disposed between a water-receiving tank and a water-pumping tank of the flush toilet so as to solve problems such as clogging of a pipe and a pump failure. The filtering apparatus includes a casing, a toothed gate formed in a part of the casing, close to the water-receiving tank, and a filtering unit which filters water overflown from the water-receiving tank and passing through the gate, in multiple stages, and which causes the filtered drain water to flow into the water-pumping tank.
    Type: Application
    Filed: July 29, 2004
    Publication date: February 10, 2005
    Applicant: NAKATOMI INDUSTRIAL CO., LTD.
    Inventor: Shunichi Imaizumi