Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
4 Patents
#103 in
#2,195 in South Korea
Charm Engineering Co., Ltd.
Forward Citations = 23
19 inventors:
Charm Engineering Co., Ltd.
% Expired Patents = 50.0
EPO Patents = 1
Forward Citations = 23
Loading Chart...
Loading Chart...
19 inventors (with patents filed for the assignee):
Young Ki Han (3 out of 4 patents)
Kwan Goo Rha (2 out of 4 patents)
Jae Chul Choi (2 out of 2 patents)
4. Jung Hee Lee (2 out of 2 patents)
5. Young Ho Seo (1 out of 3 patents)
6. Won Haeng Lee (1 out of 1 patent)
7. Hyang Joo Lee (1 out of 1 patent)
8. Jae Ho Guahk (1 out of 1 patent)
9. Yong Hwan Lim (1 out of 2 patents)
10. Seng Hyun Chung (1 out of 1 patent)
11. Sun Q Jeon (1 out of 1 patent)
12. Chi Kug Yoon (1 out of 1 patent)
13. Jun Hyeok Lee (1 out of 1 patent)
14. Kyung Ho Lee (1 out of 8 patents)
15. Hyoung Won Kim (1 out of 1 patent)
4 patents:
Company Overview
Charm Engineering Co., Ltd. is a leading engineering and construction company specializing in innovative solutions for the oil and gas industry. With a strong focus on safety and quality, we provide a wide range of services including design, fabrication, installation, and maintenance of equipment and systems. Our experienced team of engineers and technicians are dedicated to delivering reliable and efficient solutions to meet our clients' needs.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Charm Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/charm-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]