Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Wei-Chu Ko — 2 Patents

Overall (All Time): #2,185,321 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6973932 Toothpick and interdental brush combination 2005-12-13
5008867 Ornamental clock with decorative time indicating device 1991-04-16