Heraeus Epurio LLC

Calculating rank

USPTO Granted Patents = 5

% Expired Patents = 20.0

EPO Patents = 6

Trademarks = 1

Forward Citations = 2

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13 inventors (with patents filed for the assignee):

Yongqiang Zhang (2 out of 6 patents)

Ram B Sharma (2 out of 5 patents)

Udo Merker (2 out of 32 patents)

4. Darin Campo (1 out of 1 patent)

5. Martin Kunz (1 out of 3 patents)

6. Arnulf Scheel (1 out of 5 patents)

7. Matthias Intelmann (1 out of 8 patents)

8. Reza Saadat (1 out of 1 patent)

9. Tomohiro Miyazaki (1 out of 1 patent)

10. Wilfried Lövenich (1 out of 1 patent)

11. Kento Watanabe (1 out of 1 patent)

12. Tetsuya Suzuki (1 out of 1 patent)

13. Syuji Okamoto (1 out of 1 patent)

14. Armin Sautter (1 out of 1 patent)

15. Udo Guntermann (14 patents)

5 patents: Sort by Forward Citations

1. 12747378 - Adhesive composition and adhesive sheet (2026-09-29),

2. 12692343 - Process for producing functionalized polythiophenes (2026-07-28),

3. 12400799 - Process for the production of a layer composition (2025-08-26),

4. 11292764 - Cyclic sulfonate compounds as photoacid generators in resist applications (2022-04-05),

5. 10976658 - Sulfonic acid derivative compounds as photoacid generators in resist applications (2021-04-13),

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USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#6 in Vandalia, OH

#2,007 in Ohio

#51,669 in US

Vandalia, OH, United States of America

Heraeus Epurio LLC

Forward Citations = 2

13 inventors:

Yongqiang Zhang (2 out of 6 patents)

Ram B Sharma (2 out of 5 patents)

Udo Merker (2 out of 32 patents)

4. Darin Campo (1 out of 1 patent)

5. Martin Kunz (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Heraeus Epurio LLC. Retrieved from https://idiyas.com/company/heraeus-epurio

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]

6 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]