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USPTO Data Jan 1 1976 - Nov 3 2026
2 Patents
#30 in Gyeonggi
#3,811 in South Korea
Chemtech Research Incorporation
Forward Citations = 3
11 inventors:
Chemtech Research Incorporation
Calculating rank
% Expired Patents = 100.0
Forward Citations = 3
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11 inventors (with patents filed for the assignee):
Wan Joo Kim (2 out of 6 patents)
Jae Won Choi (1 out of 32 patents)
Dong Jo Chang (1 out of 1 patent)
4. Eun Young Yoon (1 out of 1 patent)
5. Gun Bong Lee (1 out of 1 patent)
6. Myung Hwa Kim (1 out of 1 patent)
7. Jong Yek Park (1 out of 1 patent)
8. Jung Min Jang (1 out of 1 patent)
9. Soon Ok Kim (1 out of 1 patent)
10. Dong Hoo Kim (1 out of 1 patent)
11. Kyoung Soo Kim (1 out of 13 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemtech Research Incorporation. Retrieved from https://idiyas.com/company/chemtech-research-in
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]