Seoul, South Korea

Ctk Cosmetics Co., Ltd.

USPTO Granted Patents = 10

% Expired Patents = 10.0


Trademarks = 3

Forward Citations = 34

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10 inventors (with patents filed for the assignee):

goldMedal In Yong Chung (9 out of 23 patents)

silverMedal Jae Hui Lee (5 out of 6 patents)

bronzeMedal Sun Young Choi (5 out of 12 patents)

4.  In Young Um (3 out of 7 patents)

5.  Tae Young Kim (3 out of 3 patents)

6.  Won Geun Go (2 out of 4 patents)

7.  Kyung Ho Kang (2 out of 7 patents)

8.  Choung Gil Ok (1 out of 1 patent)

9.  Young Joo Lee (1 out of 7 patents)

10.  Won Eui Lee (1 out of 5 patents)


10 patents:

Company Overview
Ctk Cosmetics Co., Ltd. is a South Korean company specializing in the development and manufacturing of innovative cosmetic products. With a focus on skincare and beauty solutions, the company leverages advanced research in formulation technology to create high-quality offerings that cater to diverse consumer needs. Ctk Cosmetics is committed to sustainability and employs eco-friendly practices in its production processes, positioning itself as a forward-thinking player in the global cosmetics industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#399 in Seoul

#1,092 in South Korea

#56,092 in the World

Seoul, KR
Seoul, South Korea
Forward Citations = 34

10 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ctk Cosmetics Co., Ltd.. Retrieved from https://idiyas.com/company/ctk-cosmetics-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]
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