Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Jae-Uk Chu (1 out of 1 patent)

Dong-Wook Chu (1 out of 1 patent)

Chang-Hyun Um (1 out of 1 patent)

4. Dong-Woo Lee (1 out of 42 patents)

1 patent: Sort by Forward Citations

1. 9920231 - Thermal compound composition containing Cu—CuO composite filler (2018-03-20),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#1,952 in Seoul

#5,802 in South Korea

Seoul, South Korea

Youngyiel Precision Co., Ltd.

Forward Citations = 0

4 inventors:

Jae-Uk Chu (1 out of 1 patent)

Dong-Wook Chu (1 out of 1 patent)

Chang-Hyun Um (1 out of 1 patent)

4. Dong-Woo Lee (1 out of 42 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Youngyiel Precision Co., Ltd.. Retrieved from https://idiyas.com/company/youngyiel-precision-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]