% Expired Patents = 33.3

EPO Patents = 3

Forward Citations = 4

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5 inventors (with patents filed for the assignee):

Mikalai Yeulash (1 out of 1 patent)

Mo Ha Ahn (1 out of 1 patent)

Jaeyoung Jung (1 out of 2 patents)

4. Choon Sik Kim (1 out of 1 patent)

5. Dong Hyun Choi (1 out of 6 patents)

3 patents: Sort by Forward Citations

1. 10267021 - Antifreezing apparatus (2019-04-23),

2. 8604694 - Discharge device having high-voltage circuit unit installed therein (2013-12-10),

3. 8561914 - Temperature-responsive fluid flow control apparatus (2013-10-22),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#967 in Seoul

#2,793 in South Korea

Seoul, South Korea

Sudo Premium Engineering Co., Ltd.

Forward Citations = 4

5 inventors:

Mikalai Yeulash (1 out of 1 patent)

Mo Ha Ahn (1 out of 1 patent)

Jaeyoung Jung (1 out of 2 patents)

4. Choon Sik Kim (1 out of 1 patent)

5. Dong Hyun Choi (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sudo Premium Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/sudo-premium-engineering-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]

3 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]