Patents by Inventor KING-CHUN CHANG

KING-CHUN 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).

  • Transdermal microneedle unit and transdermal microneedle drug delivery device having the same
    Patent number: 10252042
    Abstract: The invention relates to a transdermal microneedle unit and a transdermal microneedle drug delivery device comprising the transdermal microneedle unit. The transdermal microneedle unit comprises a plurality of sheets stacked with each, each the sheet having at least one through hole defined thereon and a barbule arranged at the peripheral of the through hole, wherein the through hole on one sheet is penetrated by the barbules of other sheets and the barbules being juxtaposed to form at least one triangular pyramidal transdermal microneedle. The transdermal microneedle drug delivery device comprises a substrate, a transdermal microneedle unit, a union joint and an injection syringe.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: April 9, 2019
    Assignees: JIU-LONG INDUSTRIAL CO., LTD.
    Inventors: Jung-Tang Huang, King-Chun Chang
  • TRANSDERMAL MICRONEEDLE UNIT AND TRANSDERMAL MICRONEEDLE DRUG DELIVERY DEVICE HAVING THE SAME
    Publication number: 20180296816
    Abstract: The invention relates to a transdermal microneedle unit and a transdermal microneedle drug delivery device including the transdermal microneedle unit. The transdermal microneedle unit includes a plurality of sheets stacked with each other, each sheet having at least one through hole defined thereon and a barbule arranged at the periphery of the through hole, wherein the through hole on one sheet is penetrated by the barbules of other sheets and the barbules being juxtaposed to form at least one triangular pyramidal transdermal microneedle. The transdermal microneedle drug delivery device comprises a substrate, a transdermal microneedle unit, a union joint and an injection syringe.
    Type: Application
    Filed: June 20, 2018
    Publication date: October 18, 2018
    Inventors: Jung-Tang HUANG, King-Chun CHANG
  • TRANSDERMAL MICRONEEDLE UNIT AND TRANSDERMAL MICRONEEDLE DRUG DELIVERY DEVICE HAVING THE SAME
    Publication number: 20160220802
    Abstract: The invention relates to a transdermal microneedle unit and a transdermal microneedle drug delivery device comprising the transdermal microneedle unit. The transdermal microneedle unit comprises a plurality of sheets stacked with each, each the sheet having at least one through hole defined thereon and a barbule arranged at the peripheral of the through hole, wherein the through hole on one sheet is penetrated by the barbules of other sheets and the barbules being juxtaposed to form at least one triangular pyramidal transdermal microneedle. The transdermal microneedle drug delivery device comprises a substrate, a transdermal microneedle unit, a union joint and an injection syringe.
    Type: Application
    Filed: January 25, 2016
    Publication date: August 4, 2016
    Inventors: Jung-Tang HUANG, KING-CHUN CHANG