% Expired Patents = 66.7

Forward Citations = 5

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11 inventors (with patents filed for the assignee):

Kwang-Ho Choi (1 out of 8 patents)

Kyu-Dong Lee (1 out of 6 patents)

Moon Sun Kang (1 out of 4 patents)

4. Moo-Seok Lee (1 out of 20 patents)

5. Eun-Jung Youn (1 out of 1 patent)

6. Soon-Jin Hong (1 out of 1 patent)

7. Kang-Yong Ryoo (1 out of 1 patent)

8. Jang-Ho Lee (1 out of 1 patent)

9. Jin-Yong Im (1 out of 1 patent)

10. Kyung-Sik Sohn (1 out of 1 patent)

11. In-Ho Han (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8506805 - System and method for installing filtering membrane module to frame structure (2013-08-13),

2. 7748477 - Boring system and method therefor (2010-07-06),

3. 6923392 - Freeze-grinding method of the waste materials using the cooled air (2005-08-02),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#1 in Gwangmyeong

#2,797 in South Korea

Gwangmyeong, South Korea

Kolon Construction Co., Ltd.

Forward Citations = 5

11 inventors:

Kwang-Ho Choi (1 out of 8 patents)

Kyu-Dong Lee (1 out of 6 patents)

Moon Sun Kang (1 out of 4 patents)

4. Moo-Seok Lee (1 out of 20 patents)

5. Eun-Jung Youn (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kolon Construction Co., Ltd.. Retrieved from https://idiyas.com/company/kolon-construction-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]