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For the Inventor, By the Inventor

Anyang-si, South Korea

Lsis Co., Ltd.


USPTO Granted Patents = 915


Trademarks = 6

Forward Citations = 1,513

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618 inventors (with patents filed for the assignee):

goldMedal Anno Yoo (26 out of 26 patents)

silverMedal Chun-Suk Yang (21 out of 24 patents)

bronzeMedal Yong Kil Choi (12 out of 12 patents)

4.  Yong Ho Chung (11 out of 11 patents)

5.  Seung Woo Choi (11 out of 13 patents)

6.  Gum Tae Son (10 out of 10 patents)

7.  Chun Suk Yang (10 out of 11 patents)

8.  Yong Gee Cho (10 out of 10 patents)

9.  Seung Pil Yang (10 out of 12 patents)

10.  Gyeong Ho Lee (9 out of 13 patents)

11.  Seung-Ju Lee (9 out of 9 patents)

12.  Hak-Jun Lee (9 out of 11 patents)

13.  Jong-Ho Park (9 out of 15 patents)

14.  Kil Young Ahn (9 out of 18 patents)

15.  Hae Yong Park (9 out of 9 patents)


Core Competencies:
Inverter
Energy Storage System
Microgrid System
Circuit Breaker
Hybrid Energy Storage System
Power Semiconductor Module
Electric Vehicle Charging System
Overcurrent Relay Tester
Power Conversion Device
Uninterruptible Power Supply
Heat Dissipation Efficiency
Communication Data Modeling

915 patents:

1. 11296639 - Inverter (2022-04-05),
2. 11293994 - Earth leakage circuit breaker capable of outputting type of leakage current and method of controlling the same (2022-04-05),
3. 11277008 - Energy storage system (2022-03-15),
4. 11234348 - Heatsink module for inverter (2022-01-25),
5. 11223229 - Uninterruptible power supply system comprising energy storage system (2022-01-11),
6. 11211797 - MICROGRID system (2021-12-28),
7. 11205951 - Power conversion device utilizing a relay unit with multiple relays (2021-12-21),
8. 11205902 - Energy storage system (2021-12-21),
9. 11189994 - Circuit breaker (2021-11-30),
10. 11186675 - Epoxy resin composition and transformer comprising the same (2021-11-30),
11. 11177098 - DC circuit breaker having arc blowout device (2021-11-16),
12. 11139675 - Hybrid energy storage system (2021-10-05),
13. 11128128 - Directional over-current ground relay (DOCGR) using sampled value and method for operating the DOCGR (2021-09-21),
14. 11102088 - Communication data modeling method (2021-08-24),
15. 11075521 - Energy storage system (2021-07-27),
LSIS CO., LTD. is a global leader in providing smart energy solutions and automation with a focus on eco-friendly technologies. With a diverse portfolio spanning power distribution, industrial automation, smart grid, solar and energy storage solutions, LSIS is committed to creating a sustainable future. The company's innovative products and solutions are widely used in various industries and sectors worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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915 Patents

#1 in Anyang-si

#33 in South Korea

#1,082 in the World

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Anyang-si, South Korea

Lsis Co., Ltd.

Forward Citations = 1,513

618 inventors:

goldMedal Anno Yoo (26 out of 26 patents)

silverMedal Chun-Suk Yang (21 out of 24 patents)

bronzeMedal Yong Kil Choi (12 out of 12 patents)

4.  Yong Ho Chung (11 out of 11 patents)

5.  Seung Woo Choi (11 out of 13 patents)

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