Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Leon Sigal — 2 Patents in 2021

IBM: 2 patents #3,096 of 11,638Top 30%
Monsey, NY: #3 of 13 inventorsTop 25%
New York: #2,451 of 12,766 inventorsTop 20%
Overall (2021): #137,964 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11106850 Flexible constraint-based logic cell placement David Wolpert, Timothy A. Schell, Erwin Behnen 2021-08-31 $6,618,000
11074391 Characterizing and simulating library gates to enable identification and elimination of electromigration violations in semiconductor chips David Kadzov, Nagashyamala R. Dhanwada, James D. Warnock 2021-07-27 $4,187,000