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USPTO Patent Rankings Data through Sept 30, 2025
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Marinko Kovacic — 2 Patents in 2017

OEOtis Elevator: 1 patents #50 of 167Top 30%
Poreč, HR: #1 of 1 inventorsTop 100%
Overall (2017): #126,896 of 506,227Top 30%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9755546 PWM controlled neutral point clamped multilevel converter Luis Arnedo, Yang Wang, Shashank Krishnamurthy 2017-09-05
9673713 Gate drive power supply for multilevel converter Shashank Krishnamurthy 2017-06-06