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Seoul, South Korea

Graphene Square Inc.

USPTO Granted Patents = 23

EPO Patents = 5

Trademarks = 1

Forward Citations = 64

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36 inventors (with patents filed for the assignee):

Byung Hee Hong (22 out of 37 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 63 patents)

8. Hyeongkeun Kim (2 out of 2 patents)

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

10. Youngbin Lee (2 out of 8 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),

Graphene Square Inc. is a leading graphene technology company specializing in the research, development, and production of high-quality graphene materials. With a team of experienced scientists and engineers, we strive to unlock the potential of graphene for various applications across industries such as electronics, energy, and advanced materials. Our cutting-edge graphene products and solutions are designed to enhance the performance and efficiency of existing technologies, revolutionizing the way we live and work. Visit our website to learn more about our groundbreaking graphene technologies and the solutions we offer.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

23 Patents

#172 in Seoul

#553 in South Korea

#26,790 in the World

Seoul, South Korea

Graphene Square Inc.

Forward Citations = 64

36 inventors:

Byung Hee Hong (22 out of 37 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)

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