% Expired Patents = 100.0

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Hyuk Jae Lee (1 out of 35 patents)

Kye Hyun Kim (1 out of 1 patent)

Se Uk Cheon (1 out of 1 patent)

4. Chol Young Lee (1 out of 1 patent)

5. Yong Gil Park (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8477152 - System and method for drawing stream and road centerline for GIS-based linear map production (2013-07-02),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#332 in Daejeon

#5,802 in South Korea

Daejeon, South Korea

Geum River Water Conservancy

Forward Citations = 1

5 inventors:

Hyuk Jae Lee (1 out of 35 patents)

Kye Hyun Kim (1 out of 1 patent)

Se Uk Cheon (1 out of 1 patent)

4. Chol Young Lee (1 out of 1 patent)

5. Yong Gil Park (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Geum River Water Conservancy. Retrieved from https://idiyas.com/company/geum-river-water-conservancy

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]