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

Kuo-Chyang Chang

Overall (All Time): #3,255,792 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7976102 Seat having a saddle shape to fit a user ergonomically 2011-07-12