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

Chen Ching-ho — 1 Patent

Overall (All Time): #3,893,266 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4890691 Muffler 1990-01-02