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

Leonidas A. Johnson — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Diamond Bar, CA: #193 of 459 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Leonidas A. Johnson has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2016 and the most recent in September 2019. Leonidas A. Johnson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Leonidas A. Johnson in Diamond Bar, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10406189 Methods and compositions for treating and preventing signs or symptoms of eye disease 2019-09-10
9265809 Methods and compositions for treating and preventing signs or symptoms of eye disease 2016-02-23