Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#1,945 in Seoul
#5,790 in South Korea
A&d Engineering Co., Ltd
Forward Citations = 4
5 inventors:
A&d Engineering Co., Ltd
EPO Patents = 1
Forward Citations = 4
Loading Chart...
Loading Chart...
5 inventors (with patents filed for the assignee):
Jae-Young Lee (1 out of 358 patents)
Seok-Hwan Lee (1 out of 1 patent)
Ki-Choul Nam (1 out of 1 patent)
4. Kyung-Mok Kang (1 out of 1 patent)
5. Geun-Sik Yoo (1 out of 1 patent)
6. Seok-Hwan Lee (0 patent)
7. Ki-Choul Eunhaeng Jugong Apt 203-207 Nam (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A&d Engineering Co., Ltd. Retrieved from https://idiyas.com/company/a-and-d-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]
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]
1 patent (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]