Dupont US Holding, LLC

Calculating rank

% Expired Patents = 33.3

EPO Patents = 12

Forward Citations = 1

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9 inventors (with patents filed for the assignee):

Ryan L Frisch (2 out of 13 patents)

Xiaochun Fan (2 out of 6 patents)

Seung-Pyo Hong (2 out of 18 patents)

4. Ethel Noland Jackson (1 out of 3 patents)

5. Scott Christopher Jackson (1 out of 43 patents)

6. Henry Max Schleinitz (1 out of 11 patents)

7. Leo Ernest Manzer (1 out of 94 patents)

8. Keith Ward Hutchenson (1 out of 35 patents)

9. Mark Andrew Scialdone (1 out of 39 patents)

10. Robert DiCosimo (193 patents)

11. Carl Saquing (2 patents)

12. Mark Scott Payne (177 patents)

3 patents: Sort by Forward Citations

#729 in Wilmington, DE

#1,029 in Delaware

#73,929 in US

Forward Citations = 1

9 inventors:

Ryan L Frisch (2 out of 13 patents)

Xiaochun Fan (2 out of 6 patents)

Seung-Pyo Hong (2 out of 18 patents)

4. Ethel Noland Jackson (1 out of 3 patents)

5. Scott Christopher Jackson (1 out of 43 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dupont US Holding, LLC. Retrieved from https://idiyas.com/company/dupont-us-holding

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]

12 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]