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

Qixu(David) Chen

STSeagate Technology: 1 patents #2,726 of 4,626Top 60%
Milpitas, CA: #2,135 of 3,192 inventorsTop 70%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,476,561 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6723374 Magnetic recording medium with dual magnetic layers and high in-plane coercivity Lin Huang, Charles Leu, Rajiv Yadav Ranjan 2004-04-20