Patents by Inventor Hisashi Kaeriyama

Hisashi Kaeriyama 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).

  • Water purification apparatus
    Patent number: 6054048
    Abstract: A water purification apparatus for increasing oxygen concentration in water. The water purification apparatus includes a water pump provided in a water tank for pumping water to produce a water flow, an ejector connected to the water pump for mixing the water from the water pump with air and ejecting the water mixed with the air therethrough, an air intake pipe connected to the ejector for supplying air thereto, and a jetting outlet connected to the ejector and formed with a porous jetting nozzle having small punched openings on an end portion and outer circumference thereof and a bugle-shaped tube accommodating the porous jetting nozzle therein.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: April 25, 2000
    Assignee: Nippoh Setsubi Co, Inc.
    Inventors: Hisashi Kaeriyama, Yasukazu Kowari