Korea Expressway Corporation

Calculating rank

USPTO Granted Patents = 4

% Expired Patents = 25.0

EPO Patents = 2

Forward Citations = 4

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20 inventors (with patents filed for the assignee):

Whoi-Yul Kim (1 out of 7 patents)

Dueck Su Sohn (1 out of 1 patent)

Doo-pyo Hong (1 out of 1 patent)

4. Doo-haeng Lee (1 out of 1 patent)

5. Geon Cheol Seo (1 out of 1 patent)

6. Hong-kwan Seo (1 out of 1 patent)

7. Kyung Ju Lee (1 out of 1 patent)

8. Sung Hwan Kim (1 out of 68 patents)

9. Chan-Young Lee (1 out of 1 patent)

10. Haimoon Jeong (1 out of 1 patent)

11. Jong-Min Lee (1 out of 1 patent)

12. Ki-Hong Park (1 out of 4 patents)

13. Byung Ju Kim (1 out of 2 patents)

14. Yu Kyung Park (1 out of 1 patent)

15. Jae Hyun Park (1 out of 129 patents)

4 patents: Sort by Forward Citations

1. 11306450 - Road surface profiler, road surface profiler performance measuring instrument, and method for assessing performance of same road surface profiler by using same measuring instrument (2022-04-19),

2. 10364537 - Constructing apparatus and method of guide line for road (2019-07-30),

3. 10290117 - System for extracting position information of object in point cloud data by using component (2019-05-14),

4. 8363921 - Steel bridge coating inspection system using image processing and the processing method for the same (2013-01-29),

Company Overview

Korea Expressway Corporation (KEC) is a South Korean expressway management company. KEC operates and manages 41 toll roads covering approximately 4,800 kilometers throughout South Korea. The company is committed to providing safe and efficient transportation services to the public.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#24 in Gyeongsangbuk-do

#2,203 in South Korea

Gyeongsangbuk-do, South Korea

Korea Expressway Corporation

Forward Citations = 4

20 inventors:

Whoi-Yul Kim (1 out of 7 patents)

Dueck Su Sohn (1 out of 1 patent)

Doo-pyo Hong (1 out of 1 patent)

4. Doo-haeng Lee (1 out of 1 patent)

5. Geon Cheol Seo (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korea Expressway Corporation. Retrieved from https://idiyas.com/company/korea-expressway

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]

2 patents (EPO):

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]