Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chen-Chi Chiang

Overall (All Time): #1,609,027 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6536088 Gear puller having outwardly forced jaws 2003-03-25
5623761 Bearing removing device 1997-04-29
5522287 Ratchet handle of socket wrench 1996-06-04