Patents by Inventor Hien Ngo

Hien Ngo 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).

  • Publication number: 20110244113
    Abstract: The method of tooth surface treatment includes the steps of applying a photopolymerization type dental surface coating material to a smooth surface of an erupted tooth and/or a non-cavitated caries, and thereafter irradiating light on the applied part to polymerize and harden the photopolymerization type dental surface coating material. By applying the photopolymerization type dental surface coating material used in the present invention to the smooth surface of the erupted tooth and/or the tooth before forming a cavity, the smooth surface of the erupted tooth and/or the tooth before forming a cavity can be protected for a long period of time from a dental caries.
    Type: Application
    Filed: March 31, 2010
    Publication date: October 6, 2011
    Applicant: GC Corporation
    Inventor: Hien NGO
  • Patent number: 6461161
    Abstract: There is provided a tooth surface treatment method, which enables one to effectively inhibit the progress of dental caries without impairing the aesthetics. The tooth surface treatment method of the invention includes applying a solution comprising a silver compound in an affected part of a tooth and then applying a solution comprising at least one compound selected from the group of sodium chloride, sodium bromide, sodium iodide, potassium chloride, potassium bromide, potassium iodide, magnesium chloride, magnesium bromide, magnesium iodide, calcium chloride, calcium bromide, calcium iodide thereto.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: October 8, 2002
    Assignee: GC Corporation
    Inventors: Hien Ngo, Geoffrey M. Knight, Graham George Craig, Toshihiro Sekiguchi