Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sagnik Kar — 4 Patents

Amazon: 4 patents #4,091 of 19,158Top 25%
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
Sagnik Kar has been granted 4 US patents while listed as an inventor at Amazon. The first was granted in 2019 and the most recent in August 2025. Sagnik Kar ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Sagnik Kar in San Jose, CA, US.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 1 patents in 2019.peak 12019: 1 patents20192022: 1 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12379736 Configurable power monitoring system for electronic devices Linfei Guo, Mahesh Hooli, Avinash Hosamalangi Mahadeva 2025-08-05
12182055 Power control logic using inter-chip Linfei Guo 2024-12-31 $442,371,000
11470431 Configurable power delivery for portable devices Jose Octavio Escobar 2022-10-11 $146,680,000
10312697 Dynamic current redistribution for portable electronic devices Marcel Colman Eric Stieber, David Tuzman, Vidhyananth Ramasamy Venkatasamy, James Robert Lim 2019-06-04 $90,540,000