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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#220 in
#3,801 in South Korea
Expantech Co., Ltd.
Forward Citations = 14
5 inventors:
Expantech Co., Ltd.
Forward Citations = 14
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5 inventors (with patents filed for the assignee):
Sun-Ki Kim (1 out of 45 patents)
Sung-Youl Kim (1 out of 1 patent)
Hyun-Hak Jung (1 out of 1 patent)
4. Jung-Suk Kim (1 out of 1 patent)
5. Sung Youl Kim (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Expantech Co., Ltd.. Retrieved from https://idiyas.com/company/expantech-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]
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]