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For the Inventor, By the Inventor

Seongnam, South Korea

Ls Electric Co., Ltd.


USPTO Granted Patents = 189


Trademarks = 6

Forward Citations = 83

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191 inventors (with patents filed for the assignee):

goldMedal Jungwoo Yoo (17 out of 18 patents)

silverMedal Minho Choi (11 out of 19 patents)

bronzeMedal Jung Woo Yoo (8 out of 11 patents)

4.  Jinhee Park (7 out of 9 patents)

5.  Han Mi Ru Kim (7 out of 7 patents)

6.  Jungwook Sim (6 out of 8 patents)

7.  Woonghyeob Song (6 out of 10 patents)

8.  Young Ho Lee (6 out of 7 patents)

9.  Chun Suk Yang (5 out of 6 patents)

10.  Kihwan Oh (4 out of 12 patents)

11.  Hong-Ik Yang (4 out of 7 patents)

12.  Min-Kyu Seo (4 out of 5 patents)

13.  Jiheon Lee (4 out of 5 patents)

14.  Dongjin Yun (4 out of 8 patents)

15.  Dohyun Kim (4 out of 4 patents)


Core Competencies:
Circuit Breaker
Semiconductor
Direct Current Relay
Cooling Apparatus
Power Conversion
Inverter
Residual Current
Arc Extinguishing
Switchboard
Power Monitoring
Communication System
Modular Multi-Level Converter

189 patents:

1. 12519468 - Circuit breaker using semiconductor (2026-01-06),
2. 12519306 - Cooling control apparatus for superconducting fault current limiter (2026-01-06),
3. 12517175 - Test device (2026-01-06),
4. 12513075 - Communication device supporting IP-based RAPIEnet and network system comprising same (2025-12-30),
5. 12508528 - Cover assembly and power conversion device comprising same (2025-12-30),
6. 12500055 - Circuit breaker (2025-12-16),
7. 12500053 - Arc path formation unit and direct current relay comprising same (2025-12-16),
8. 12494334 - Direct current relay (2025-12-09),
9. 12470047 - Shutter assembly and switchboard comprising same (2025-11-11),
10. 12462995 - Movable contact part and direct current relay including same (2025-11-04),
11. D1099046 - Circuit breaker (2025-10-21),
12. 12453032 - Inverter device (2025-10-21),
13. 12449782 - Method for replacing storage device in human machine interface system (2025-10-21),
14. 12446188 - Cooling apparatus for superconducting fault current limiter (2025-10-14),
15. 12444924 - DC-DC converter (2025-10-14),
Company Overview
Ls Electric Co., Ltd. is a prominent South Korean company specializing in circuit breaker technology and related electrical solutions. The company focuses on the development and manufacturing of advanced circuit breakers, semiconductors, direct current relays, and cooling apparatuses. Ls Electric also excels in power conversion technologies, including inverters and residual current devices, as well as arc extinguishing systems. With a commitment to innovation, the company plays a significant role in enhancing electrical safety and efficiency across various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Ls Electric Co., Ltd. USPTO Patent Assignee Logo
189 Patents

#6 in

#121 in

#4,453 in the World

Seongnam, KR
Seongnam, South Korea

Ls Electric Co., Ltd.

Forward Citations = 83

191 inventors:

goldMedal Jungwoo Yoo (17 out of 18 patents)

silverMedal Minho Choi (11 out of 19 patents)

bronzeMedal Jung Woo Yoo (8 out of 11 patents)

4.  Jinhee Park (7 out of 9 patents)

5.  Han Mi Ru Kim (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ls Electric Co., Ltd.. Retrieved from https://idiyas.com/company/ls-electric-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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