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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#1,945 in Seoul
#5,790 in South Korea
Ctk Cosmetics Co., Ltd.
Forward Citations = 0
7 inventors:
Ctk Cosmetics Co., Ltd.
EPO Patents = 1
Forward Citations = 0
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7 inventors (with patents filed for the assignee):
In Yong Chung (1 out of 23 patents)
Won Geun Go (1 out of 4 patents)
Jae Hui Lee (1 out of 6 patents)
4. In Young Um (7 patents)
5. Won Eui Lee (5 patents)
6. Sun Young Choi (12 patents)
7. Kyung Ho Kang (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ctk Cosmetics Co., Ltd.. Retrieved from https://idiyas.com/company/ctk-cosmetics
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]
1 patent (EPO):
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]