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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#32 in Siheung
#5,790 in South Korea
Grand Tech Co., Ltd
Forward Citations = 2
4 inventors:
Grand Tech Co., Ltd
% Expired Patents = 100.0
Forward Citations = 2
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4 inventors (with patents filed for the assignee):
Hyeong Jun Kim (1 out of 63 patents)
Kyung Seob Han (1 out of 1 patent)
Jeong Heo (1 out of 1 patent)
4. Seung Kil Lee (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Grand Tech Co., Ltd. Retrieved from https://idiyas.com/company/grand-tech-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]