Patents Assigned to GRAPHENE SQUARE INC.
  • Metal-graphene composite
    Patent number: 12371816
    Abstract: The present disclosure may provide a metal-graphene composite having excellent mechanical properties.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: July 29, 2025
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, GRAPHENE SQUARE INC.
    Inventors: Yun Sung Woo, Byung Hee Hong, Dong Jin Kim
  • Heating system and heating element
    Patent number: 12108513
    Abstract: The present specification provides a heating system including: a heating unit including a substrate and a heating layer provided on the substrate and including graphene; an electromagnetic wave irradiation unit configured to irradiate at least one region of the heating unit with electromagnetic waves; and a control unit configured to control an operation of the electromagnetic wave irradiation unit, wherein the heating layer emits heat by absorbing the electromagnetic waves.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: October 1, 2024
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, GRAPHENE SQUARE INC.
    Inventors: Byung Hee Hong, Sang Min Kang, Young Soo Kim
  • Method for evaluating quality of graphene
    Patent number: 11933955
    Abstract: A method of evaluating quality of graphene using a confocal laser scanning microscope, the method comprising steps of: irradiating with laser light a graphene layer formed on a catalyst layer; detecting a signal of light reflected from the graphene layer; forming a planar image of the graphene layer using the detected optical signal; and analyzing a contrast between graphene and the catalyst layer in the planar image, wherein the graphene layer is continuously formed on the catalyst layer by a roll-to-roll process.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: March 19, 2024
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, GRAPHENE SQUARE INC., Dankook University Cheonan Campus Industry Academic Cooperation Foundation
    Inventors: Byung Hee Hong, Dong Jin Kim, Yun Sung Woo
  • Functional contact lens and manufacturing method therefor
    Patent number: 11927835
    Abstract: The present specification provides a functional contact lens including: a lens substrate having a spherically curved surface so as to be worn on an eyeball; and a functional layer provided on at least one surface of the lens substrate and including a graphene sheet, and a method for manufacturing the same.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: March 12, 2024
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, GRAPHENE SQUARE INC.
    Inventors: Byung Hee Hong, Sangkyu Lee, Insu Jo, Sangmin Kang
  • Electromagnetic shielding method using graphene and electromagnetic shielding material
    Patent number: 11071241
    Abstract: A method for shielding electromagnetic waves by using grapheme formed on inside or outside a device having an electromagnetic wave generating source and/or by using graphene formed on a substrate, an electromagnetic shielding material and film including the graphene, and an electronic or electric device including the electromagnetic wave shielding film.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: July 20, 2021
    Assignee: Graphene Square Inc.
    Inventors: Byung Hee Hong, Jea-Boong Choi, Young Jin Kim, Hyeongkeun Kim, Sukang Bae, Junmo Kang
  • Graphene fiber, method for manufacturing same and use thereof
    Patent number: 10947113
    Abstract: The present disclosure relates to a manufacturing method of a graphene fiber, a graphene fiber manufactured by the same method, and use thereof. The graphene fiber formed by using graphenes of linear pattern can be applied to various fields such as an electric wire and coaxial cable.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: March 16, 2021
    Assignee: GRAPHENE SQUARE INC.
    Inventors: Byung Hee Hong, Keun Soo Kim, Hyeong Keun Kim, Su Kang Bae
  • Graphene roll-to-roll coating apparatus and graphene roll-to-roll coating method using the same
    Patent number: 10808321
    Abstract: A graphene roll-to-roll coating apparatus and a graphene roll-to-roll coating method are provided on the basis of a continuous process.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: October 20, 2020
    Assignee: Graphene Square Inc.
    Inventors: Byung Hee Hong, Young Jin Kim, Jaeboong Choi, Hyeong Keun Kim, Junmo Kang, Su Kang Bae
  • Transferring method of graphene using self-adhesive film
    Patent number: 10315401
    Abstract: The present invention relates to a transferring method of graphene using a self-adhesive film.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: June 11, 2019
    Assignees: Seoul National University R&DB Foundation, Graphene Square Inc.
    Inventors: Byung Hee Hong, Sang Jin Kim, Myung Jin Park, In Su Jo
  • Graphene roll-to-roll coating apparatus and graphene roll-to-roll coating method using the same
    Patent number: 10266948
    Abstract: A graphene roll-to-roll coating apparatus and a graphene roll-to-roll coating method are provided on the basis of a continuous process.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: April 23, 2019
    Assignee: Graphene Square Inc.
    Inventors: Byung Hee Hong, Young Jin Kim, Jaeboong Choi, Hyeong Keun Kim, Junmo Kang, Su Kang Bae
  • TRANSFERRING METHOD OF GRAPHENE USING SELF-ADHESIVE FILM
    Publication number: 20150314579
    Abstract: The present invention relates to a transferring method of graphene using a self-adhesive film.
    Type: Application
    Filed: July 9, 2015
    Publication date: November 5, 2015
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, GRAPHENE SQUARE INC.
    Inventors: Byung H. Hong, Sang J. Kim, Myung J. Park, In S. Jo
  • VARIABLE FOCUS LENS, AND PREPARING METHOD OF THE SAME
    Publication number: 20140313588
    Abstract: The present disclosure relates to a variable focus lens containing graphene, a preparing method of the variable focus lens, a focus controlling method of the variable focus lens, and a display device including the variable focus lens.
    Type: Application
    Filed: March 19, 2014
    Publication date: October 23, 2014
    Applicants: SNU R & DB Foundation, Graphene Square Inc.
    Inventors: Byung Hee Hong, Jun Mo Kang
  • METHOD FOR N-DOPING GRAPHENE
    Publication number: 20140054550
    Abstract: The present disclosure provides an n-doping method of graphene, including supplying a reaction gas containing a carbon source and heat to a substrate and reacting to grow graphene on the substrate; and n-doping the graphene by a doping solution containing an n-type dopant or a vapor containing an n-type dopant, an n-doped graphene produced by the method, and a device including the n-doped graphene.
    Type: Application
    Filed: September 3, 2013
    Publication date: February 27, 2014
    Applicant: GRAPHENE SQUARE INC.
    Inventors: Byung Hee HONG, Eun Seon KIM
  • TOUCH SENSOR USING GRAPHENE FOR SIMULTANEOUSLY DETECTING A PRESSURE AND A POSITION
    Publication number: 20130285970
    Abstract: A touch sensor capable of specifying a touch position and/or a degree of a touch pressure by using graphene as an electrode and/or a strain gauge, and more particular, a touch sensor capable of simultaneously detecting a pressure and a position by means of change in resistance by using graphene is provided.
    Type: Application
    Filed: December 23, 2011
    Publication date: October 31, 2013
    Applicant: GRAPHENE SQUARE INC.
    Inventors: Jong-Hyun Ahn, Byung Hee Hong, Young Bin Lee, Su Kang Bae, Hyeong Keun Kim
  • Toaster
    Patent number: D1027538
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: May 21, 2024
    Assignee: GRAPHENE SQUARE INC.
    Inventor: Seong Chae Park