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

Hung-Chao Chen

Overall (2019): #440,460 of 560,194Top 80%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10264858 Waterproof zipper and process of manufacturing same 2019-04-23