For the Inventor, By the Inventor

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Daejeon, South Korea

Korea Institute of Science & Technology Information

USPTO Granted Patents = 6

Forward Citations = 1

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17 inventors (with patents filed for the assignee):

Won Hyuk Lee (5 out of 5 patents)

Chan Kyun Lee (4 out of 5 patents)

Yong Hwan Kim (2 out of 8 patents)

4. Eun Joo Lee (2 out of 9 patents)

5. Il Kwon Sohn (2 out of 2 patents)

6. Kyu Seok Shim (2 out of 2 patents)

7. Min Ju Kim (1 out of 4 patents)

8. Ji Min Kim (1 out of 2 patents)

9. Sung Jin Kim (1 out of 12 patents)

10. Yun Jeong Choi (1 out of 1 patent)

11. Kwang Il Bae (1 out of 1 patent)

12. Jeong Eun Byun (1 out of 1 patent)

13. Su Min Seo (1 out of 1 patent)

14. Kuk Jin Bae (1 out of 1 patent)

15. Min Je Cho (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12499474 - Method of deriving quality improvement requirements (2025-12-16),

2. 12463804 - Quantum key distribution-based quantum digital signature method and system including trusted node (2025-11-04),

3. 12355870 - Network apparatus for quantum key distribution, and operation method for quantum key distribution network (2025-07-08),

4. 12294571 - Apparatus for managing quantum key and method of operating same (2025-05-06),

5. 12244407 - Operation apparatus for fiber network and control method thereof (2025-03-04),

6. 12095574 - Eavesdropper detection apparatus and operating method thereof (2024-09-17),

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USPTO Data Jan 1 1976 - Dec 30 2025

6 Patents

#83 in Daejeon

#1,543 in South Korea

Daejeon, South Korea

Korea Institute of Science & Technology Information

Forward Citations = 1

17 inventors:

Won Hyuk Lee (5 out of 5 patents)

Chan Kyun Lee (4 out of 5 patents)

Yong Hwan Kim (2 out of 8 patents)

4. Eun Joo Lee (2 out of 9 patents)

5. Il Kwon Sohn (2 out of 2 patents)

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