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Seoul, South Korea

Hyosung Heavy Industries Corporation

USPTO Granted Patents = 97

EPO Patents = 36

Trademarks = 2

Forward Citations = 58

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135 inventors (with patents filed for the assignee):

Hong Ju Jung (8 out of 13 patents)

Joo Yeon Lee (7 out of 38 patents)

Do Jin Kim (7 out of 7 patents)

4. Sung Min Oh (7 out of 8 patents)

5. Jae Ryong Jung (6 out of 8 patents)

6. Kyo Ho Lee (6 out of 6 patents)

7. Hong-Ju Jung (6 out of 9 patents)

8. June-Sung Kim (6 out of 10 patents)

9. Jung-Soo Park (6 out of 9 patents)

10. Yong Hee Park (6 out of 6 patents)

11. Chang Woo Han (5 out of 5 patents)

12. Doo Young Lee (5 out of 5 patents)

13. Seung Boong Jeong (5 out of 5 patents)

14. Jung Won Hong (4 out of 4 patents)

15. Bo Gun Jin (4 out of 4 patents)

Core Competencies:

Battery Fire Prevention

High-Speed Molding

Component Grounding

Semiconductor Transformer

Circuit Breaker Measurement

Heat Sink Technology

Power Supply Distribution

HVDC Control Systems

Noise Reduction Devices

Asset Management in Substations

Modular Multilevel Converters

Gas Insulated Switchgear

97 patents: Sort by Forward Citations

1. 12449447 - Battery fire prevention and diagnosis system (2025-10-21),

2. 12441041 - High-speed molding device (2025-10-14),

3. 12369289 - Component grounding system (2025-07-22),

4. 12368367 - Startup method of semiconductor transformer, and converter using same (2025-07-22),

5. 12282044 - Circuit breaker operating current/fault current measuring device using single Rogowski coil (2025-04-21),

6. 12274027 - Heat sink (2025-04-08),

7. 12215927 - Evaporation device for cooling (2025-02-04),

8. 12142920 - Output distribution method of power supply system (2024-11-12),

9. 12140921 - Apparatus and method for setting controller board ID of HVDC system (2024-11-12),

10. 12057770 - Control device and control method for modular multilevel converter (2024-08-06),

11. 12050447 - Method for securing program safety of HVDC system and HVDC system using same (2024-07-30),

12. 11973390 - Actuator having driving pin with rectilinear movement and an elastic member outside of housing (2024-04-30),

13. 11971437 - Grid voltage phase detector (2024-04-30),

14. 11970407 - Ion-exchange resin module and deionization apparatus using same (2024-04-30),

15. 11967476 - Bypass switch for STATCOM and HVDC (2024-04-23),

Hyosung Heavy Industries Corporation is a South Korean industrial machinery and steel company. Established in 1962, the company specializes in manufacturing and supplying various industrial products, including power transformers, heavy electric machinery, motor-operated circuit breakers, and more. Their diverse offerings cater to various sectors such as power generation, transmission, industrial plants, and renewable energy. With a strong emphasis on technological innovation, Hyosung Heavy Industries continuously strives to provide reliable, sustainable, and innovative solutions to its global customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

97 Patents

#63 in Seoul

#186 in South Korea

#7,772 in the World

Seoul, South Korea

Hyosung Heavy Industries Corporation

Forward Citations = 58

135 inventors:

Hong Ju Jung (8 out of 13 patents)

Joo Yeon Lee (7 out of 38 patents)

Do Jin Kim (7 out of 7 patents)

4. Sung Min Oh (7 out of 8 patents)

5. Jae Ryong Jung (6 out of 8 patents)

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