% Expired Patents = 100.0

Forward Citations = 65

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11 inventors (with patents filed for the assignee):

Geun Sig Cha (2 out of 38 patents)

Hakhyun Nam (2 out of 40 patents)

Gang Cui (1 out of 16 patents)

4. Jeonghan Ha (1 out of 3 patents)

5. Jina Yoo (1 out of 9 patents)

6. Hyo Lin Lee (1 out of 1 patent)

7. Yong Suk Choi (1 out of 15 patents)

8. Sung Dong Lee (1 out of 7 patents)

9. Jae Ho Shin (1 out of 25 patents)

10. Seong Hee Oh (1 out of 1 patent)

11. Joung Su Lee (1 out of 2 patents)

2 patents: Sort by Forward Citations

#1,299 in Seoul

#3,791 in South Korea

Geun Sig Cha

Forward Citations = 65

11 inventors:

Geun Sig Cha (2 out of 38 patents)

Hakhyun Nam (2 out of 40 patents)

Gang Cui (1 out of 16 patents)

4. Jeonghan Ha (1 out of 3 patents)

5. Jina Yoo (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Geun Sig Cha. Retrieved from https://idiyas.com/company/geun-sig-cha

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]