Patents by Inventor CHE-CHEN CHANG

CHE-CHEN CHANG 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: 9867984
    Abstract: The present invention provides a device for fluoride iontophoresis, comprising at least one electrochemical cell device containing at least one electrode and a fluoride-containing electrolyte, wherein the electrode is operated via an electromotive force to drive the fluoride-containing electrolyte into a biological interface; and a power supply connecting electrically to the cell device and at least providing a periodic pulse voltage signal to the electrode.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: January 16, 2018
    Assignee: NATIONAL TAIWAN UNIVERSITY
    Inventors: Che-Chen Chang, Bor-Shiunn Lee
  • Publication number: 20160106972
    Abstract: The present invention provides a device for fluoride iontophoresis, comprising at least one electrochemical cell device containing at least one electrode and a fluoride-containing electrolyte, wherein the electrode is operated via an electromotive force to drive the fluoride-containing electrolyte into a biological interface; and a power supply connecting electrically to the cell device and at least providing a periodic pulse voltage signal to the electrode.
    Type: Application
    Filed: June 10, 2015
    Publication date: April 21, 2016
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: CHE-CHEN CHANG, BOR-SHIUNN LEE