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

PAO-CHIN CHANG

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #2,919,462 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10136683 Three-wire wearable device 2018-11-27