Ii Sun Kim (1 out of 1 patent)
Mi Sun Park (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#332 in DaeJeon
#5,802 in South Korea
Korean Railroad Corporation
Forward Citations = 3
2 inventors:
Korean Railroad Corporation
% Expired Patents = 100.0
Forward Citations = 3
Loading Chart...
Loading Chart...
2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korean Railroad Corporation. Retrieved from https://idiyas.com/company/korean-railroad
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]
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]
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]