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

Wangshu-O Chen

Overall (All Time): #3,111,380 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8757184 Multi-folded full-automatic opening-closing umbrella Mei-Ping Lin, Chiung-Wen Yeh, Hsuanyuan Chen 2014-06-24