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USPTO Patent Rankings Data through Sept 30, 2025
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Ann Corrao — 2 Patents in 2021

IBM: 2 patents #3,096 of 11,638Top 30%
Raleigh, NC: #165 of 908 inventorsTop 20%
North Carolina: #985 of 5,924 inventorsTop 20%
Overall (2021): #181,397 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11150847 Shingled magnetic recording drive mapping using nonvolatile random access memory for persistent updates Carlos D. Cavanna, Robert Francis, Ronen Grosman, Hamdi Roumani, Ao Wan 2021-10-19
11120040 Multi-ledger blockchain management Brian J. Snitzer, David D. Weck, Brian M. O'Connell 2021-09-14