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

William Derbyshire — 1 Patent

ATAT&T: 1 patents #10,636 of 18,772Top 60%
Newtown, PA: #337 of 507 inventorsTop 70%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
William Derbyshire has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 2000. William Derbyshire ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William Derbyshire in Newtown, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6147795 Retrofit heater for erbium fiber in an erbium-doped fiber amplifier (EDFA) Ralph Stephen Jameson, Khanh Cong Nguyen 2000-11-14 $30,398,000