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

Daniel C. Downs

PEPericomp: 1 patents #4 of 5Top 80%
Framingham, MA: #829 of 1,271 inventorsTop 70%
Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,979,673 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4685013 Magnetic tape head alignment system Kyriacos Joannou 1987-08-04