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Umamaheswara Vemulapati

AA Abb Schweiz Ag: 5 patents #311 of 3,274Top 10%
AA Abb Power Grids Switzerland Ag: 4 patents #9 of 321Top 3%
HE Hitachi Energy: 3 patents #24 of 458Top 6%
AA Abb Technology Ag: 1 patents #541 of 1,391Top 40%
HA Hitachi Energy Switzerland Ag: 1 patents #120 of 445Top 30%
📍 Windisch, CH: #5 of 72 inventorsTop 7%
Overall (All Time): #336,459 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12432950 Insulated gate bipolar transistor including trench Schottky electrode Florin Udrea, Marina Antoniou, Neophytos Lophitis, Chiara Corvasce, Luca De-Michielis +2 more 2025-09-30
12426349 Reverse conducting power semiconductor device and method for manufacturing the same Tobias Wikstroem 2025-09-23
11967638 Segmented power diode structure with improved reverse recovery Tobias Wikstroem, Thomas Stiasny 2024-04-23
11824091 Integrated gate-commutated thyristor (IGCT) Tobias Wikstroem 2023-11-21
11107740 Power semiconductor module Jürgen Schuderer, Marco Bellini, Jan Vobecky 2021-08-31
11056582 Bidirectional phase controlled thyristor (BiPCT)—a new semiconductor device concept Jan Vobecky, Munaf Rahimo 2021-07-06
11043943 Switching of paralleled reverse conducting IGBT and wide bandgap switch Ulrich Schlapbach, Munaf Rahimo 2021-06-22
11031473 Silicon carbide superjunction power semiconductor device and method for manufacturing the same Friedhelm Bauer, Lars Knoll, Marco Bellini, Renato Minamisawa 2021-06-08
10629677 Area efficient floating field ring termination Friedhelm Bauer 2020-04-21
10566463 Power semiconductor device with floating field ring termination Friedhelm Bauer, Marco Bellini 2020-02-18
10461157 Flat gate commutated thyristor Martin Arnold 2019-10-29
10026732 Bidirectional power semiconductor Munaf Rahimo, Martin Arnold 2018-07-17
9543305 Reverse conducting power semiconductor device Neophythos Lophitis, Florin Udrea, Lulian Nistor, Martin Arnold, Jan Vobecky +1 more 2017-01-10
9385223 Reverse-conducting power semiconductor device Munaf Rahimo, Martin Arnold, Jan Vobecky 2016-07-05