Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JD

John Peter Duffield — 1 Patent in 2023

EIElectronics For Imaging: 1 patents #7 of 26Top 30%
Stratham, NH: #9 of 19 inventorsTop 50%
New Hampshire: #544 of 1,562 inventorsTop 35%
Overall (2023): #390,967 of 537,848Top 75%
1 Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11667133 Woodgrain suppression in inkjet printing Hui Zhang 2023-06-06