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

Herman A. Castro

INIntel: 1 patents #18,218 of 30,777Top 60%
Shingle Springs, CA: #46 of 86 inventorsTop 55%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,871,919 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4999525 Exclusive-or cell for pattern matching employing floating gate devices Chin S. Park 1991-03-12