Inventor
DROFENIK UWE
CH17 patents
⚠️ This page may combine multiple inventors who share the name “DROFENIK UWE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABB SCHWEIZ AG
8 patentsUS12149178B2Nov 19, 2024
Current balancing in power semiconductors of a DC/DC converter
ABB SCHWEIZ AG4 citations72
US10673353B2Jun 2, 2020
Converter cell with integrated photovoltaic cell
ABB SCHWEIZ AG3 citations71
US9826665B2Nov 21, 2017
Electrical power circuit assembly
ABB SCHWEIZ AG2 citations65
US10797586B2Oct 6, 2020
Power module based on normally-on semiconductor switches
ABB SCHWEIZ AG1 citations61
US12119750B2Oct 15, 2024
Redundancy of a resonant converter stage by frequency adaptation
ABB SCHWEIZ AG1 citations59
US11480602B2Oct 25, 2022
Transformer assembly with medium frequency transformers
ABB SCHWEIZ AG0 citations51
US11636968B2Apr 25, 2023
Magnetic adjustment member for multi-phase inductor
ABB SCHWEIZ AG0 citations41
US10386403B2Aug 20, 2019
Failure tolerant capacitor device
ABB SCHWEIZ AG0 citations30
HITACHI ENERGY LTD
6 patentsUS11984812B2May 14, 2024
Dual active bridge converter cell with split energy transfer inductor for optimized current balancing in the medium frequency transformer (MFT)
HITACHI ENERGY LTD1 citations62
US12354782B2Jul 8, 2025
Transformer and method of manufacturing a transformer
HITACHI ENERGY LTD0 citations51
US12125632B2Oct 22, 2024
Transformer with a casting embedding a winding arrangement and method of manufacturing a winding arrangement for a transformer
HITACHI ENERGY LTD0 citations51
US12051537B2Jul 30, 2024
Medium frequency transformer
HITACHI ENERGY LTD0 citations49
US12555713B2Feb 17, 2026
Medium frequency transformer with parallel windings
HITACHI ENERGY LTD0 citations48
US12106889B2Oct 1, 2024
Electrical component, especially transformer or inductor
HITACHI ENERGY LTD0 citations48