Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DP

Dirk Pfeiffer

IBM: 3 patents #2,072 of 11,638Top 20%
Ossining, NY: #28 of 91 inventorsTop 35%
New York: #1,531 of 12,766 inventorsTop 15%
Overall (2021): #85,133 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11162950 Zonal nanofluidic anti-tamper device for product authentication Joshua T. Smith, Benjamin H. Wunsch 2021-11-02
11164190 Method for product authentication using a microfluidic reader Joshua T. Smith, Benjamin H. Wunsch 2021-11-02
10997321 Encryption engine with an undetectable/tamper proof private key in late node CMOS technology Richard H. Boivie, Eduard A. Cartier, Daniel J. Friedman, Kohji Hosokawa, Charanjit Singh Jutla +10 more 2021-05-04