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

Chen-Ching Fan

BCBehavior Tech Computer: 1 patents #31 of 96Top 35%
Yuli, TW: #33 of 62 inventorsTop 55%
Overall (All Time): #3,545,720 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6393896 Test device for leakage-proof of a keyboard 2002-05-28