% Expired Patents = 25.0

Forward Citations = 1

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18 inventors (with patents filed for the assignee):

Dong-Jin Kim (4 out of 47 patents)

Yong-Su Kim (3 out of 41 patents)

Sang-Won Seo (2 out of 3 patents)

4. Byeong-U Kim (2 out of 2 patents)

5. Jong-Yeon Kim (2 out of 2 patents)

6. Dong-Min Kim (2 out of 2 patents)

7. Wan-Seong Kwon (2 out of 2 patents)

8. Dong-hyun Kim (1 out of 65 patents)

9. Sung-Joon Lee (1 out of 4 patents)

10. Won-Sung Kwon (1 out of 1 patent)

11. Jae-Hyo Park (1 out of 1 patent)

12. Kyung-Hoon Jang (1 out of 1 patent)

13. Kwang-Yeop Jang (1 out of 1 patent)

14. Hee-Soo Park (1 out of 1 patent)

15. Jin-Yeong Lee (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12573831 - Lightning rod with electric double layer and electric dipole moment type discharge amplification function (2026-03-10),

2. 10725088 - Apparatus for estimating lifetime of the SPD using discharge characteristics of the MOV (2020-07-28),

3. 10690709 - System for monitoring resistance and current in ground line (2020-06-23),

4. 9590418 - Apparatus for checking damage to surge protector and automatically changing surge protector (2017-03-07),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#768 in Seoul

#2,202 in South Korea

Seoul, South Korea

Sunkwang Lightning Protection Technical Institute Inc.

Forward Citations = 1

18 inventors:

Dong-Jin Kim (4 out of 47 patents)

Yong-Su Kim (3 out of 41 patents)

Sang-Won Seo (2 out of 3 patents)

4. Byeong-U Kim (2 out of 2 patents)

5. Jong-Yeon Kim (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sunkwang Lightning Protection Technical Institute Inc.. Retrieved from https://idiyas.com/company/sunkwang-lightning-protection-technical-institute

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]