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Seoul, South Korea

Graphene Square Inc.

USPTO Granted Patents = 23

EPO Patents = 5

Forward Citations = 65

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34 inventors (with patents filed for the assignee):

Byung Hee Hong (22 out of 40 patents)

Hyeong Keun Kim (10 out of 12 patents)

Su Kang Bae (8 out of 8 patents)

4. Jonghyun Ahn (6 out of 6 patents)

5. Junmo Kang (5 out of 6 patents)

6. Sukang Bae (4 out of 4 patents)

7. Young Jin Kim (4 out of 64 patents)

8. Hyeongkeun Kim (2 out of 2 patents)

9. Yun Sung Woo (2 out of 13 patents)

10. Youngbin Lee (2 out of 9 patents)

11. Jaeboong Choi (2 out of 5 patents)

12. Jong-hyun Ahn (2 out of 6 patents)

13. Keun Soo Kim (2 out of 7 patents)

14. Jung Hee Han (2 out of 4 patents)

15. Jae Boong Choi (2 out of 2 patents)

23 patents: Sort by Forward Citations

1. 12371816 - Metal-graphene composite (2025-07-29),

2. 12108513 - Heating system and heating element (2024-10-01),

3. D1027538 - Toaster (2024-05-21),

4. 11933955 - Method for evaluating quality of graphene (2024-03-19),

5. 11927835 - Functional contact lens and manufacturing method therefor (2024-03-12),

6. 11843108 - Electrode structure, manufacturing method therefor, and electrochemical element comprising same (2023-12-12),

7. 11071241 - Electromagnetic shielding method using graphene and electromagnetic shielding material (2021-07-20),

8. 10947113 - Graphene fiber, method for manufacturing same and use thereof (2021-03-16),

9. 10886501 - Graphene protective film serving as a gas and moisture barrier, method for forming same, and use thereof (2021-01-05),

10. 10808321 - Graphene roll-to-roll coating apparatus and graphene roll-to-roll coating method using the same (2020-10-20),

11. 10315401 - Transferring method of graphene using self-adhesive film (2019-06-11),

12. 10266948 - Graphene roll-to-roll coating apparatus and graphene roll-to-roll coating method using the same (2019-04-23),

13. 10196272 - Apparatus and method of manufacturing graphene film (2019-02-05),

14. 9966531 - Patterning method for graphene using hot-embossing imprinting (2018-05-08),

15. 9782963 - Roll-to-roll transfer method of graphene, graphene roll produced by the method, and roll-to-roll transfer equipment for graphene (2017-10-10),

Company Overview

Graphene Square Inc. is a technology company based in Seoul, South Korea, specializing in the development and commercialization of graphene-based materials and solutions. The organization focuses on leveraging the unique properties of graphene to innovate across various sectors, including electronics, energy storage, and advanced materials. By integrating cutting-edge research with practical applications, Graphene Square aims to enhance product performance and sustainability, positioning itself as a leader in the emerging field of graphene technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

23 Patents

#206 in Seoul

#569 in South Korea

#27,649 in the World

Seoul, South Korea

Graphene Square Inc.

Forward Citations = 65

34 inventors:

Byung Hee Hong (22 out of 40 patents)

Hyeong Keun Kim (10 out of 12 patents)

Su Kang Bae (8 out of 8 patents)

4. Jonghyun Ahn (6 out of 6 patents)

5. Junmo Kang (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graphene Square Inc.. Retrieved from https://idiyas.com/company/graphene-square

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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