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

Darby E. Hadley

Apple: 1 patents #2,295 of 5,196Top 45%
Birmingham, MI: #25 of 79 inventorsTop 35%
Michigan: #3,301 of 9,874 inventorsTop 35%
Overall (2021): #484,664 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11061643 Devices with enhanced audio Aleksandar Pance, Brett Bilbrey, Martin E. Johnson, Ronald N. Isaac 2021-07-13