Iljin Copper Foil Co., Ltd.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 5

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8 inventors (with patents filed for the assignee):

Jong Ho Ryu (1 out of 1 patent)

Chang Yol Yang (1 out of 1 patent)

Joung Ah Kang (1 out of 1 patent)

4. Byung Young Yoon (1 out of 1 patent)

5. Jin Su Park (1 out of 14 patents)

6. Jung Won Park (1 out of 2 patents)

7. Sang Beom Kim (1 out of 1 patent)

8. Jung Hwan Cho (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8530749 - Copper foil attached to the carrier foil, a method for preparing the same and printed circuit board using the same (2013-09-10),

2. 8399883 - Nitrogen-oxide gas sensor with long signal stability (2013-03-19),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#9 in Iksan

#3,802 in South Korea

Iksan, South Korea

Iljin Copper Foil Co., Ltd.

Forward Citations = 5

8 inventors:

Jong Ho Ryu (1 out of 1 patent)

Chang Yol Yang (1 out of 1 patent)

Joung Ah Kang (1 out of 1 patent)

4. Byung Young Yoon (1 out of 1 patent)

5. Jin Su Park (1 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Iljin Copper Foil Co., Ltd.. Retrieved from https://idiyas.com/company/iljin-copper-foil-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]