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

Kazim Das — 4 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
Google: 1 patents #14,887 of 22,993Top 65%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kazim Das has been granted 4 US patents while listed as an inventor at Amazon. The first was granted in 2016 and the most recent in February 2025. Kazim Das ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kazim Das in San Jose, CA, US.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 1 patents in 2016.peak 12016: 1 patents20162021: 1 patents20212023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12230270 Voice-controlled device switching between modes based on speech input Valere Joseph Vanderschaegen, Donald L. Cantrell, Johan Le Nerriec, Joseph Pedro Tavares 2025-02-18
11810560 Voice-controlled device switching between modes based on speech input Valere Joseph Vanderschaegen, Donald L. Cantrell, Johan Le Nerriec, Joseph Pedro Tavares 2023-11-07 $260,345,000
10978062 Voice-controlled device switching between modes based on speech input Valere Joseph Vanderschaegen, Donald L. Cantrell, Johan Le Nerriec, Joseph Pedro Tavares 2021-04-13 $229,938,000
9311911 Method and apparatus for live call text-to-speech Weiqi Tang, Yi He, Ling Jin 2016-04-12 $16,204,000