Patents by Inventor Jin Kyu RHEE

Jin Kyu RHEE 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: 11091853
    Abstract: A fiber manufacturing apparatus includes: a fiber manufacturing portion including a first operation unit including a first operation surface and a second operation unit including a second operation surface facing the first operation surface, wherein at least one of the first operation unit and the second operation unit performs a reciprocating motion to manufacture a fiber between the first operation surface and the second operation surface; and a fiber collecting portion configured to collect the fiber manufactured between the first operation surface and the second operation surface, wherein at least one of the first operation surface and the second operation surface includes a polymer solution.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: August 17, 2021
    Assignee: SUFAB INC.
    Inventor: Jin Kyu Rhee
  • Patent number: 10953658
    Abstract: Provided is a printing apparatus including: a material accommodating unit including an accommodating portion for accommodating at least one printing material, and an extruding portion for externally sending the at least one printing material accommodated in the accommodating portion; a printing unit including a nozzle portion for spraying the at least one printing material received from the material accommodating unit toward a printing area according to a preset program, and a first temperature adjusting portion for adjusting a first temperature within the printing area; and a transfer unit including a transfer pipe that guides the at least one printing material sent from the material accommodating unit to the nozzle portion of the printing unit, and a second temperature adjusting portion for adjusting a second temperature of the transfer pipe.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: March 23, 2021
    Assignee: Ewha University-Industry Collaboration Foundation
    Inventors: Jin Kyu Rhee, Yong Hyun Kim
  • Publication number: 20200290392
    Abstract: Provided is a printing apparatus using acoustic levitation, the printing apparatus including an acoustic levitation unit, which includes at least one acoustic wave generator and is configured to generate an acoustic field to levitate at least one printing material and form print layers having specific patterns; a material supply unit configured to supply the printing material; and a placing unit including a plate, wherein the print layers are sequentially stacked on the plate.
    Type: Application
    Filed: October 18, 2018
    Publication date: September 17, 2020
    Inventor: Jin Kyu RHEE
  • Publication number: 20200094562
    Abstract: Provided is a printing apparatus including: a material accommodating unit including an accommodating portion for accommodating at least one printing material, and an extruding portion for externally sending the at least one printing material accommodated in the accommodating portion; a printing unit including a nozzle portion for spraying the at least one printing material received from the material accommodating unit toward a printing area according to a preset program, and a first temperature adjusting portion for adjusting a first temperature within the printing area; and a transfer unit including a transfer pipe that guides the at least one printing material sent from the material accommodating unit to the nozzle portion of the printing unit, and a second temperature adjusting portion for adjusting a second temperature of the transfer pipe.
    Type: Application
    Filed: February 8, 2019
    Publication date: March 26, 2020
    Inventors: Jin Kyu RHEE, Yong Hyun KIM
  • Publication number: 20190017194
    Abstract: A fiber manufacturing apparatus includes: a fiber manufacturing portion including a first operation unit including a first operation surface and a second operation unit including a second operation surface facing the first operation surface, wherein at least one of the first operation unit and the second operation unit performs a reciprocating motion to manufacture a fiber between the first operation surface and the second operation surface; and a fiber collecting portion configured to collect the fiber manufactured between the first operation surface and the second operation surface, wherein at least one of the first operation surface and the second operation surface includes a polymer solution.
    Type: Application
    Filed: July 16, 2018
    Publication date: January 17, 2019
    Inventor: Jin Kyu RHEE