P

Inventor

KOLAR JOHANN W

AT16 patents
⚠️ This page may combine multiple inventors who share the name “KOLAR JOHANN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NABTESCO CORP

4 patents
US11043905B2Jun 22, 2021

AC-AC power converter

NABTESCO CORP3 citations70
US11101725B2Aug 24, 2021

Rotary electric machine and non-contact power generator

NABTESCO CORP1 citations57
US11177741B2Nov 16, 2021

AC-AC converter circuit

NABTESCO CORP0 citations50
US12580494B2Mar 17, 2026

Inverter, method of controlling inverter, program of controlling inverter

NABTESCO CORP0 citations49

BOSCH GMBH ROBERT

3 patents
US11569737B2Jan 31, 2023

Transformer for a three-port voltage converter, three-port voltage converter and method for transmitting electrical power

BOSCH GMBH ROBERT2 citations69
US11817243B2Nov 14, 2023

Inductive component and high-frequency filter device

BOSCH GMBH ROBERT0 citations59
US10819241B2Oct 27, 2020

Isolated DC/DC converter for controlling power flows between three DC terminals

BOSCH GMBH ROBERT0 citations48

BIELA JÜRGEN

2 patents
US8760214B2Jun 24, 2014

JFET series connection

BIELA JÜRGEN15 citations79
US8723589B2May 13, 2014

Switching device with a cascode circuit

BIELA JÜRGEN9 citations79

UNIV MINNESOTA

1 patent
US5892352AApr 6, 1999

Synchronization of the switching action of hysteresis current controlled parallel connected power electronics systems

UNIV MINNESOTA21 citations91

KOLAR JOHANN W

1 patent
US8570776B2Oct 29, 2013

Method and device for determining a control scheme for an active power filter

KOLAR JOHANN W24 citations83

DELTA ENERGY SYSTEMS SWITZERLA

1 patent
US6700806B2Mar 2, 2004

Unidirectional three phase pulse controlled rectifier system with failed phase voltage operation

DELTA ENERGY SYSTEMS SWITZERLA9 citations72

ABB PATENT GMBH

1 patent
US6061256AMay 9, 2000

Apparatus for conversion of a three-phase voltage into an isolated DC voltage

ABB PATENT GMBH10 citations72

ASCOM ENERGY SYSTEMS AG

1 patent
US6377482B1Apr 23, 2002

Device and method for line-voltage dependent thyristor controlled pre-charging of output capacitors in a three-level pulse rectifier system

ASCOM ENERGY SYSTEMS AG5 citations54

ETEL SA

1 patent
US10027319B2Jul 17, 2018

Circuit arrangement for controlling power transistors of a power converter

ETEL SA0 citations32

NABTESCO CORPRATION

1 patent
US10298107B2May 21, 2019

Non-contact power generator

NABTESCO CORPRATION0 citations29