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

William M. Buchanan — 7 Patents

ATAT&T: 3 patents #5,559 of 18,772Top 30%
T(Tata Communications (America): 2 patents #17 of 47Top 40%
SMSmartsynch: 1 patents #9 of 20Top 45%
Hampstead, NH: #18 of 87 inventorsTop 25%
New Hampshire: #2,176 of 12,181 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
William M. Buchanan has been granted 7 US patents while listed as an inventor at AT&T. The first was granted in 2001 and the most recent in February 2024. William M. Buchanan ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list William M. Buchanan in Hampstead, NH, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11910198 Methods for certificate issuance in remote provisioning architectures for embedded UICCS Ron Grippo, Luke Kiernan, Brian Peebles 2024-02-20
11533626 Methods for certificate issuance in remote provisioning architectures for embedded UICCS Ron Grippo, Luke Kiernan, Brian Peebles 2022-12-20
8188884 Forward throw antenna utility meter Bruce Randall, Robert Bryan Seal 2012-05-29
6721269 Apparatus and method for internet protocol flow ring protection switching Yang Cao, Stephen George Lefoley 2004-04-13 $10,278,000
6594044 Apparatus and method for automatic port identity discovery in heterogenous optical communications systems Yang Cao, Steven A. Surek 2003-07-15 $10,161,000
6584446 System for underwriting a combined joint life and long term care insurance policy which is actuarially responsive to long term care demands and life expectancies of the individual insureds Jeffrey S. Drake 2003-06-24
6237146 System and method of bidirectional digital video communication over a cable Claudia K. Richards 2001-05-22 $32,555,000