Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#908 in Wilmington, DE
#1,328 in Delaware
#94,841 in US
Du Pont China Limited
Forward Citations = 0
4 inventors:
Wilmington, DE, United States of America
Du Pont China Limited
EPO Patents = 2
Trademarks = 4
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Hee Hyun Lee (1 out of 13 patents)
Hoang Vi Tran (1 out of 7 patents)
Edmund Francis Schieffer, Jr (1 out of 6 patents)
4. Yu Teng Liang (1 out of 1 patent)
5. Seigi Suh (3 patents)
6. Michael Zanoni Burrows (3 patents)
7. Mark Steven Critzer (4 patents)
8. Jay Robert Dorfman (42 patents)
9. Haixin Yang (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Du Pont China Limited. Retrieved from https://idiyas.com/company/du-pont-china
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]
2 patents (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]