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USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#1 in Kyurggi-Do
#8,420 in South Korea
Amst Company Limited
Forward Citations = 45
7 inventors:
Amst Company Limited
% Expired Patents = 33.3
Forward Citations = 45
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7 inventors (with patents filed for the assignee):
Ha Poong Jeong (2 out of 2 patents)
Byung Chang Song (2 out of 2 patents)
Dong In Kim (1 out of 32 patents)
4. In-Buhm Chung (1 out of 1 patent)
5. Young Kyum Ahn (1 out of 1 patent)
6. Sam Won Chung (1 out of 1 patent)
7. Dong Il Kim (1 out of 37 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amst Company Limited. Retrieved from https://idiyas.com/company/amst-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]
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]
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]