Coway Entech Co., Ltd

Calculating rank

USPTO Granted Patents = 1

% Expired Patents = 100.0

EPO Patents = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Youn-Kook Kim (1 out of 5 patents)

You-Mee Na (1 out of 1 patent)

Ho-Chan Jung (1 out of 1 patent)

4. Ha-Na Yu (1 out of 1 patent)

5. Oh-Sung Kwon (4 patents)

6. Woo-Seung Choi (1 patent)

7. Soo-Hong Noh (3 patents)

8. Ju Youn Lee (10 patents)

9. Oh Sung Kwon (6 patents)

10. Yong Min Park (0 patent)

11. Chan-Sik Kim (0 patent)

12. Seung-Il Lee (0 patent)

13. Young-Keun Choi (0 patent)

1 patent: Sort by Forward Citations

1. 9567241 - Continuous circulation sand filter and continuous circulation sand filtering method (2017-02-14),

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USPTO Data Jan 1 1976 - Nov 3 2026

1 Patents

#383 in

#5,816 in South Korea

KR

Coway Entech Co., Ltd

Forward Citations = 0

4 inventors:

Youn-Kook Kim (1 out of 5 patents)

You-Mee Na (1 out of 1 patent)

Ho-Chan Jung (1 out of 1 patent)

4. Ha-Na Yu (1 out of 1 patent)

5. Oh-Sung Kwon (4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Coway Entech Co., Ltd. Retrieved from https://idiyas.com/company/coway-entech-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]

2 patents (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]