Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stefan K Yap — 4 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
Oracle: 1 patents #8,339 of 14,854Top 60%
Brea, CA: #120 of 438 inventorsTop 30%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Stefan K Yap has been granted 4 US patents while listed as an inventor at Amazon. The first was granted in 2011 and the most recent in February 2025. Stefan K Yap ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Stefan K Yap in Brea, CA, US.

Patents per Year

Patents granted per year, 2011 to 2025Bar chart with a peak of 1 patents in 2011.peak 12011: 1 patents20112020: 1 patents20202022: 1 patents20222025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12219355 Device-based identification for automated user detection Scott Edward Van Vliet, Jeremy Daniel Johnson 2025-02-04
11363460 Device-based identification for automated user detection Scott Edward Van Vliet, Jeremy Daniel Johnson 2022-06-14 $200,999,000
10757216 Group profiles for group item recommendations Scott Edward Van Vliet, Jeremy Daniel Johnson 2020-08-25 $258,335,000
7974347 Automating interval selection based on range and size of display area David Peh 2011-07-05 $68,498,000