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

James David Johnston — 2 Patents in 2017

DTDts: 2 patents #5 of 27Top 20%
Redmond, WA: #233 of 1,610 inventorsTop 15%
Washington: #2,296 of 12,901 inventorsTop 20%
Overall (2017): #144,148 of 506,227Top 30%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9728181 Spatial audio encoding and reproduction of diffuse sound Jean-Marc Jot, Stephen Roger Hastings 2017-08-08
9641952 Room characterization and correction for multi-channel audio Zoran Fejzo 2017-05-02