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

Qin Fei Chen

3M: 1 patents #7,233 of 11,543Top 65%
Singapore, SG: #6,661 of 13,971 inventorsTop 50%
Overall (All Time): #3,173,378 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D688781 Ionizer John Zenon G Vallinan, Siarhei V. Savich, Chee Ming Ng, Kam Poi Chia, Francisco J. Rodriguez +3 more 2013-08-27