Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Unknown › Fred M. Johnson
FJ

Fred M. Johnson — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Fullerton, CA: #229 of 1,038 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Fred M. Johnson has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2014 and the most recent in October 2016. Fred M. Johnson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Fred M. Johnson in Fullerton, CA, US.

Patents per Year

Patents granted per year, 2014 to 2016Bar chart with a peak of 2 patents in 2014.peak 22014: 2 patents20142015: 1 patents20152016: 1 patents2016

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9470619 Intrinsically-calibrated tribometer — 2016-10-18
9063051 Intrinsically-calibrated tribometer — 2015-06-23
8915117 Intrinsically-calibrated tribometer — 2014-12-23
8695398 Intrinsically-calibrated tribometer — 2014-04-15

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4