Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Charles A. Corchero — 1 Patent

IBM: 1 patents #44,794 of 70,183Top 65%
Tucson, AZ: #3,393 of 6,004 inventorsTop 60%
Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,938,372 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4868514 Apparatus and method for digital compensation of oscillator drift Michael Joseph Azevedo, Donald J. Lang, Gilbert R. Woodman, Jr. 1989-09-19