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

Roger R. Darr — 17 Patents

THThat: 9 patents #3 of 16Top 20%
AIArris International: 2 patents #8 of 65Top 15%
CICiena: 2 patents #497 of 1,406Top 40%
ANAntec: 1 patents #24 of 51Top 50%
Bethlehem, GA: #1 of 22 inventorsTop 5%
Georgia: #1,801 of 35,610 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Roger R. Darr has been granted 17 US patents while listed as an inventor at That. The first was granted in 1998 and the most recent in May 2024. Roger R. Darr ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Roger R. Darr in Bethlehem, GA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11997330 Audio sampling clock synchronization Matthew Barnhill, Matthew Easley 2024-05-28
11581862 Passive sub-audible room path learning with noise modeling Matthew Easley 2023-02-14
8958516 NICAM decoder with output resampler Matthew Easley, Matthew Barnhill 2015-02-17
8732358 Circuit systems and methods using prime number interleave optimization for byte lane to time slice conversion Jeffery Thomas Nichols 2014-05-20 $20,455,000
8649400 Communication clock transport method and device Jeff Nichols 2014-02-11 $7,994,000
8526622 Configurable filter for processing television audio signals Matthew Barnhill 2013-09-03
8494104 NICAM decoder with output resampler Matthew Easley, Matthew Barnhill 2013-07-23
8023590 NICAM audio signal resampler Matthew Easley, Matthew Barnhill 2011-09-20
7940842 Reciprocal index lookup for BTSC compatible coefficients Matthew Easley, Matthew Barnhill 2011-05-10
7826621 Configurable filter for processing television audio signals Matthew Barnhill 2010-11-02
7539316 Configurable filter for processing television audio signals Matthew Barnhill 2009-05-26
7397850 Reciprocal index lookup for BTSC compatible coefficients Mathew F. Easley, Matthew Barnhill 2008-07-08
6658055 Method for accelerating the training of adaptive echo cancelers in the presence of interfering sinusoidal signals 2003-12-02 $10,232,000
6588867 Reciprocal index lookup for BTSC compatible coefficients 2003-07-08 $10,416,000
6259482 Digital BTSC compander system Matthew Easley 2001-07-10
6192086 Digital sub-systems and building blocks for a mostly digital low-cost BTSC compatible encoder 2001-02-20 $9,134,000
5822423 Apparatus and method for supervising derived channel communications Walt Jehnert, Stephen Hughey, James W. Eakes 1998-10-13 $410,000