Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Stefan Jon Kristjansson — 4 Patents in 2021

Microsoft: 4 patents #217 of 6,492Top 4%
Woodinville, WA: #30 of 296 inventorsTop 15%
Washington: #870 of 13,672 inventorsTop 7%
Overall (2021): #39,725 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11165265 Parallel battery discharge management Yen Ying Lee, Gene Robert Obie 2021-11-02
11101680 Parallel battery charge management Yen Ying Lee, Gene Robert Obie 2021-08-24
11038364 Parallel charging and discharging of batteries with disparate characteristics 2021-06-15
10944274 Ideal diode function implemented with existing battery protection FETs Algird M. Gudaitis 2021-03-09