% Expired Patents = 100.0

Forward Citations = 7

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8 inventors (with patents filed for the assignee):

Richard Caprioli (1 out of 21 patents)

Jeremy L Norris (1 out of 9 patents)

Charles E Witkowski, Ii (1 out of 6 patents)

4. Kilian Dill (1 out of 2 patents)

5. Nathan S Lewis (1 out of 78 patents)

6. Dean G Hafeman (1 out of 28 patents)

7. James B Harkins (1 out of 1 patent)

8. Daniel Kuban (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 7534338 - Methods and devices for concentration and purification of analytes for chemical analysis including matrix-assisted laser desorption/ionization(MALDI) mass spectrometry (MS) (2009-05-19),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#185 in Knoxville, TN

#1,485 in Tennessee

#136,919 in US

Knoxville, TN, United States of America

Protein Discovery, Inc.

Forward Citations = 7

8 inventors:

Richard Caprioli (1 out of 21 patents)

Jeremy L Norris (1 out of 9 patents)

Charles E Witkowski, Ii (1 out of 6 patents)

4. Kilian Dill (1 out of 2 patents)

5. Nathan S Lewis (1 out of 78 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protein Discovery, Inc.. Retrieved from https://idiyas.com/company/protein-discovery

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]