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

Perry E. Hall

WTWestern Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Hollister, CA: #144 of 243 inventorsTop 60%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,280,631 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7672083 Disk drive with translatable ramp William Wei Yi Yu, Lidu Huang, Scott E. Watson, Kenneth Allen, Lawrence H. Lo +1 more 2010-03-02