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

Hung-Hua Chang

Overall (All Time): #3,359,193 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7390103 Vibrating and twinkling device 2008-06-24