For the Inventor, By the Inventor

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Incheon, South Korea

Kortek Corporation

USPTO Granted Patents = 32

% Expired Patents = 18.8

Forward Citations = 63

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35 inventors (with patents filed for the assignee):

Kyoung Chan Lee (8 out of 9 patents)

Woo Hwangbo (6 out of 6 patents)

Chan Hwan Kim (6 out of 6 patents)

4. Gun Ho Lee (5 out of 7 patents)

5. Young Il Park (4 out of 5 patents)

6. Ji Woong Park (4 out of 4 patents)

7. Moon Bae Park (4 out of 6 patents)

8. Hae Won Chae (3 out of 3 patents)

9. Je Young Kwon (3 out of 3 patents)

10. Hong Jin Jeon (3 out of 3 patents)

11. Ki Hoon Park (2 out of 3 patents)

12. Yong Hun Park (2 out of 2 patents)

13. Hak Hyun Kim (2 out of 2 patents)

14. Kyung In Seo (2 out of 2 patents)

15. Hyun Woo Lee (2 out of 3 patents)

Core Competencies:

Button Device

Display Device

Hybrid Display Control

Casino Game Machine

Liquid Crystal Panel

Capacitive Button Interface

Image Display Device

Control Knob

3D Sheet

Panel Assembly

Touch Screen

Advertising Display

32 patents: Sort by Forward Citations

1. 12684714 - Display device (2026-07-14),

2. 12683100 - Button device for casino machines (2026-07-14),

3. 12613668 - Hybrid display control device and method (2026-04-28),

4. D1108547 - Button for game machine (2026-01-06),

5. 12437701 - Display panel control apparatus and method (2025-10-07),

6. D1091701 - Casino game machine (2025-09-02),

7. 12373048 - Button device attached to touch screen, and electronic equipment provided with same (2025-07-29),

8. 12147102 - Display apparatus with decorative lighting unit (2024-11-19),

9. 12130969 - Button device for electronic device (2024-10-29),

10. 12007598 - Button lighting module and button apparatus having the same (2024-06-11),

11. 12001635 - Capacitive button interface device and method (2024-06-04),

12. 11839809 - Operating device (2023-12-12),

13. 11835981 - Operating device (2023-12-05),

14. 11822361 - Operating device (2023-11-21),

15. 11758675 - Panel for display device, method of manufacturing the same, and panel assembly (2023-09-12),

Company Overview

Kortek Corporation, headquartered in Incheon, South Korea, specializes in the development and manufacturing of advanced display solutions and digital signage technologies. The company focuses on providing innovative products that cater to various industries, including education, retail, and transportation. With a commitment to enhancing visual communication, Kortek integrates cutting-edge technology into its offerings, ensuring high-quality performance and reliability in diverse applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

32 Patents

#17 in Incheon, 402-040

#432 in South Korea

#20,671 in the World

Incheon, South Korea

Kortek Corporation

Forward Citations = 63

35 inventors:

Kyoung Chan Lee (8 out of 9 patents)

Woo Hwangbo (6 out of 6 patents)

Chan Hwan Kim (6 out of 6 patents)

4. Gun Ho Lee (5 out of 7 patents)

5. Young Il Park (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kortek Corporation. Retrieved from https://idiyas.com/company/kortek

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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