For the Inventor, By the Inventor

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Seoul, South Korea

Penta Security Inc.

USPTO Granted Patents = 9

EPO Patents = 3

Forward Citations = 1

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21 inventors (with patents filed for the assignee):

Sang Gyoo Sim (8 out of 31 patents)

Keon Yun (8 out of 8 patents)

Jin Hyeok Oh (7 out of 8 patents)

4. Tae Gyun Kim (6 out of 51 patents)

5. Duk Soo Kim (5 out of 32 patents)

6. Sang Min Lee (5 out of 90 patents)

7. Myong Cheol Lim (4 out of 4 patents)

8. Seok Lee (3 out of 78 patents)

9. Minchul Kim (2 out of 67 patents)

10. Myung Woo Chung (2 out of 5 patents)

11. Min Chul Kim (2 out of 65 patents)

12. Eui Seok Kim (2 out of 27 patents)

13. Sun Woo Yun (2 out of 2 patents)

14. Jun Yong Lee (2 out of 2 patents)

15. Heesun Yun (2 out of 2 patents)

9 patents: Sort by Forward Citations

1. 12738156 - Method and system for driving negotiation for vehicles with cooperation between CCTV and road side unit (2026-09-15),

2. 12676838 - Blockchain based security system and method using WAAP/API level management (2026-07-07),

3. 12671586 - Method and apparatus for providing differential security services for ship networks using user authentication-based packet classification (2026-06-30),

4. 12549931 - Message hop-based communication method and apparatus for guaranteeing real-time communication in an autonomous driving environment (2026-02-10),

5. 12483548 - SDP-based information protection method and apparatus for IoT cloud security (2025-11-25),

6. 12309136 - Method and apparatus for access control on ship network (2025-05-20),

7. 12058593 - Driving negotiation method and apparatus (2024-08-06),

8. 11936773 - Encryption key management method in data subscription system (2024-03-19),

9. 11914564 - Merkle tree-based data management method and apparatus (2024-02-27),

Penta Security Inc. is a leading provider of cybersecurity solutions, specializing in web application security, data encryption, and secure access management. Founded in 1997, the company focuses on protecting sensitive data and ensuring compliance with global security standards. Penta Security's flagship products include WAPPLES, a web application firewall, and D'Amo, a data encryption solution. With a strong emphasis on innovation and customer satisfaction, Penta Security serves a diverse range of industries, helping organizations safeguard their digital assets against evolving cyber threats.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

9 Patents

#433 in Seoul

#1,182 in South Korea

Seoul, South Korea

Penta Security Inc.

Forward Citations = 1

21 inventors:

Sang Gyoo Sim (8 out of 31 patents)

Keon Yun (8 out of 8 patents)

Jin Hyeok Oh (7 out of 8 patents)

4. Tae Gyun Kim (6 out of 51 patents)

5. Duk Soo Kim (5 out of 32 patents)

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