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Gimcheon, South Korea

Kepco Engineering & Construction Company, Inc.

Calculating rank

USPTO Granted Patents = 51

% Expired Patents = 5.9

EPO Patents = 20

Trademarks = 1

Forward Citations = 33

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81 inventors (with patents filed for the assignee):

Chang Sun Yoon (10 out of 10 patents)

Myoung Goo Lee (8 out of 8 patents)

Jin Seok Park (8 out of 9 patents)

4. Yeon Ho Cho (7 out of 9 patents)

5. Sang Gyoon Chang (5 out of 5 patents)

6. Kwang Jeok Ko (4 out of 4 patents)

7. Dae Hee Lee (4 out of 56 patents)

8. Yong Tae Jang (4 out of 4 patents)

9. Min Gyu Kim (4 out of 29 patents)

10. Youn Ho Won (3 out of 3 patents)

11. Jae Young Huh (3 out of 3 patents)

12. Gyu Cheon Lee (3 out of 3 patents)

13. Myung Jun Song (3 out of 3 patents)

14. In Ho Song (3 out of 5 patents)

15. Kwang Chu Kim (3 out of 3 patents)

Core Competencies:

Nuclear Power Plant

Steam Generator Control

Thermal Stratification

Water Level Measurement

Spent Fuel Transfer

Control Element Drive

Safety Systems

Power Plant Monitoring

Radiation Measurement

Sealing Mechanism

Cavitation Reduction

Photovoltaic Power

51 patents: Sort by Forward Citations

1. 12674712 - System for calculating temperature of fluid inside pipe by using heat flux, outer surface temperature of pipe, and flow velocity of fluid (2026-07-07),

2. 12638171 - Integrated control logic device and operating method thereof to control water level of steam generator of nuclear power plant (2026-05-26),

3. 12500689 - Communication isolator for cyber security and communication isolation method of the communication isolator (2025-12-16),

4. 12364959 - Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of pipe wall (2025-07-22),

5. 12292322 - Level indicating device for tank (2025-05-06),

6. 12274990 - Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of inner ring and outer ring (2025-04-14),

7. 12270696 - Water-level measuring device using gear ratio (2025-04-08),

8. 12007169 - Apparatus for extracting water from plant condenser to the outside for water quality analysis (2024-06-11),

9. 11719266 - Apparatus for removing thermal stratification generated by turbulent penetration by using rotation ring (2023-08-08),

10. 11713831 - Cavitation reduction valve structure using bypass dispersion valve (2023-08-01),

11. 11698621 - Method, non-transitory computer-readable recording medium, and device for determining variable setpoints of a plant protection system (2023-07-11),

12. 11677270 - Apparatus for generating electrical power from motion of vehicle (2023-06-13),

13. 11619698 - Method and terminal for controlling power plant (2023-04-04),

14. 11569002 - Transfer cask for spent nuclear fuel (2023-01-31),

15. 11540409 - Triple sealing device for electronics housing of smart instrumentation (2022-12-27),

Company Overview

Kepco Engineering & Construction Company, Inc., based in Gimcheon, South Korea, specializes in nuclear power engineering, focusing on the design and development of advanced nuclear power plants. The company is recognized for its expertise in critical technology areas such as steam generator control, thermal stratification, and water level measurement. Additionally, Kepco is involved in safety systems and power plant monitoring, ensuring the efficient and secure operation of nuclear facilities while addressing the complexities of spent fuel transfer and control element drives.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

51 Patents

#1 in Gimcheon

#317 in South Korea

#13,798 in the World

Gimcheon, South Korea

Kepco Engineering & Construction Company, Inc.

Forward Citations = 33

81 inventors:

Chang Sun Yoon (10 out of 10 patents)

Myoung Goo Lee (8 out of 8 patents)

Jin Seok Park (8 out of 9 patents)

4. Yeon Ho Cho (7 out of 9 patents)

5. Sang Gyoon Chang (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kepco Engineering & Construction Company, Inc.. Retrieved from https://idiyas.com/company/kepco-engineering-and-construction-company

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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