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

James A. Howe

PRPrintware: 1 patents #4 of 9Top 45%
SPSperry: 1 patents #355 of 841Top 45%
Burnsville, MN: #271 of 632 inventorsTop 45%
Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,331,039 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4835545 Modulating laser intensity in a laser printer proportionately to the velocity of the photoconductive media Donald V. Mager 1989-05-30
4691126 Redundant synchronous clock system Katherine A. Splett 1987-09-01