Patents by Inventor Haruichi Amadera

Haruichi Amadera 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).

  • Device for scaling at the gum pocket
    Patent number: 4906187
    Abstract: A device for scaling sordes and tartars on the surface of teeth at the gum pocket having improved construction, in which there are provided a hand-piece for an ejection nozzle; a compressor for feeding pressurized air to the ejection nozzle at one end of the hand-piece; a conduit pipe for transporting the compressed air; a water sump; and a conduit for leading water from the water sump to the ejection nozzle, the compressed air being ejected from the ejecting nozzle of the hand-piece under a pressure of from 1 to 2 kg/cm.sup.2 and in an ejecting quantity of from 6 to 9 l /min., and water being ejected together with the pressurized jet air in an ejecting quantity of from 10 to 30 cc/min. in the form of a spray jet.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: March 6, 1990
    Assignee: Koichi Okano
    Inventor: Haruichi Amadera