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USPTO Patent Rankings Data through Sept 30, 2025
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Badrinath Nagarajan — 6 Patents in 2021

Apple: 6 patents #415 of 5,196Top 8%
Cupertino, CA: #108 of 1,477 inventorsTop 8%
California: #2,940 of 66,859 inventorsTop 5%
Overall (2021): #24,784 of 548,734Top 5%
6 Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11204646 Systems and methods for determining contexts of mobile devices Michael Dormody, Arun Raghupathy, Guiyuan Han 2021-12-21
11199406 Systems and methods for calibrating unstable sensors Michael Dormody, Ganesh Pattabiraman, Abijith Kumar, Thomas Wolf, Gary Parsons +2 more 2021-12-14
11181365 Systems and methods for determining which reference-level pressures are used when estimating an altitude of a mobile device Guiyuan Han, Michael Dormody 2021-11-23
11073441 Systems and methods for determining when to calibrate a pressure sensor of a mobile device Michael Dormody, Guiyuan Han 2021-07-27
11064320 Systems and methods for using a pressure sensor of a mobile device to improve the reliability of determined contexts Michael Dormody, Arun Raghupathy, Guiyuan Han 2021-07-13
10921121 Systems and methods for determining calibration values for atmospheric sensors that provide measured pressures used for estimating altitudes of mobile devices Michael Dormody, Guiyuan Han 2021-02-16