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

Charles M. Johnson — 5 Patents

Amazon: 2 patents #7,232 of 19,158Top 40%
NANapco: 1 patents #3 of 10Top 30%
UEUS Dept of Energy: 1 patents #1,355 of 5,099Top 30%
Hudson, MA: #83 of 327 inventorsTop 30%
Massachusetts: #23,696 of 88,656 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Charles M. Johnson has been granted 5 US patents while listed as an inventor at Amazon. The first was granted in 1980 and the most recent in May 2021. Charles M. Johnson ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Charles M. Johnson in Hudson, MA, US.

Patents per Year

Patents granted per year, 1980 to 2021Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801981: 1 patents19811994: 1 patents19942018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11004444 Systems and methods for enhancing user experience by communicating transient errors 2021-05-11 $389,833,000
10134425 Direction-based speech endpointing 2018-11-20 $101,794,000
5307272 Minefield reconnaissance and detector system Millard T. Butler, Steven Cave, James D. Creager, John B. Mathes, Kirk J. Smith 1994-04-26
4268206 Article treating machine 1981-05-19 $1,221,000
4181092 Machine for treating pipe interiors 1980-01-01