% Expired Patents = 100.0

Forward Citations = 7

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9 inventors (with patents filed for the assignee):

Dae Won Lim (1 out of 1 patent)

Hyun-Goog Nam (1 out of 1 patent)

Je-yong Kim (1 out of 1 patent)

4. Seung-hee Jang (1 out of 1 patent)

5. Sang-mi Park (1 out of 1 patent)

6. Juseok Ham (1 out of 1 patent)

7. Kyu-oh Cho (1 out of 1 patent)

8. Hyun-don Kim (1 out of 1 patent)

9. Sang Youn Lee (1 out of 17 patents)

1 patent: Sort by Forward Citations

#384 in Gyeonggi-do

#5,802 in South Korea

Alpha Chem Co., Ltd.

Forward Citations = 7

9 inventors:

Dae Won Lim (1 out of 1 patent)

Hyun-Goog Nam (1 out of 1 patent)

Je-yong Kim (1 out of 1 patent)

4. Seung-hee Jang (1 out of 1 patent)

5. Sang-mi Park (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alpha Chem Co., Ltd.. Retrieved from https://idiyas.com/company/alpha-chem-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]