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

Douglas W. Johnson — 1 Patent in 2018

LGLandmark Graphics: 1 patents #24 of 113Top 25%
Austin, TX: #1,113 of 2,852 inventorsTop 40%
Texas: #5,205 of 15,368 inventorsTop 35%
Overall (2018): #433,372 of 503,207Top 90%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10133831 Method and system of predicting future hydrocarbon production Gustavo Carvajal, Alvin Stanley Cullick, Hatem Nasr 2018-11-20