JK

Johann Kolar

IA Infineon Technologies Austria Ag: 18 patents #60 of 1,126Top 6%
AR Abb Research: 4 patents #170 of 1,276Top 15%
NA Nabtesco: 4 patents #32 of 320Top 10%
Robert Bosch Gmbh: 3 patents #5,512 of 19,740Top 30%
AT Alstom Technology: 2 patents #405 of 1,544Top 30%
EZ Eth Zurich: 2 patents #52 of 584Top 9%
AA Abb Schweiz Ag: 2 patents #876 of 3,274Top 30%
PB Prodrive Technologies Innovation Services B.V.: 2 patents #3 of 18Top 20%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
ES Etel S.A.: 2 patents #22 of 83Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AA Ascom Energy Systems Ag: 1 patents #2 of 6Top 35%
DA Delta Energy Systems (Switzerland) Ag: 1 patents #2 of 5Top 40%
ET Eth Zürich / Eth Transfer: 1 patents #1 of 22Top 5%
UM University of Minnesota: 1 patents #1,216 of 2,951Top 45%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
GE: 1 patents #19,878 of 36,430Top 55%
AG Abb Patent Gmbh: 1 patents #116 of 353Top 35%
Overall (All Time): #55,107 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
9843199 Inductive power transfer system and method for operating an inductive power transfer system Roman Bosshard, Francisco Canales, Beat Guggisberg, Guanghai Gong, Bernhard Wunsch 2017-12-12
9837921 Multi-cell power conversion method and multi-cell power converter Gerald Deboy, Matthias J. Kasper 2017-12-05
9780676 Power converter with a snubber circuit Matthias J. Kasper 2017-10-03
9762134 Multi-cell power conversion method and multi-cell power converter Gerald Deboy, Matthias J. Kasper 2017-09-12
9755537 Multi-cell power conversion method with failure detection and multi-cell power converter Gerald Deboy, Matthias J. Kasper 2017-09-05
9543855 Voltage source converter (VSC) with neutral-point-clamped (NPC) topology and method for operating such voltage source converter Thiago Batista Soeiro, Per Ranstad, Jörgen Linner 2017-01-10
9331561 Method to minimize input current harmonics of power systems such as ESP power systems Thiago Batista Soeiro, Jürgen Biela, Per Ranstad, Jörgen Linner 2016-05-03
9110119 Electric current measurement method Satoru Sasaki, Hideki Tojima, Benjamin Wrzecionko, Lukas Steinmann, Johann Ertl 2015-08-18
9007102 Active gate drive circuit Yanick Lobsiger, Matti Laitinen 2015-04-14
8963585 Gate driver unit for electrical switching device Yanick Lobsiger, Dominik Bortis, Matti Laitinen 2015-02-24
8912840 Switching device with a JFET series arrangement Daniel Aggeler, Jürgen Biela 2014-12-16
8760214 JFET series connection Jürgen Biela, Daniel Aggeler 2014-06-24
8723589 Switching device with a cascode circuit Jürgen Biela, Daniel Aggeler 2014-05-13
8710876 Active gate drive circuit Yanich Lobsiger, Matti Laitinen 2014-04-29
8604841 Gate driver unit for electrical switching device Yanick Lobsiger, Dominik Bortis, Matti Laitinen 2013-12-10
8570776 Method and device for determining a control scheme for an active power filter Thiago Batista Soeiro, Per Ranstad, Jörgen Linner 2013-10-29
7613273 Apparatus with a moving system and a stationary system Walter Beyerlein 2009-11-03
7542311 Method for operating a converter circuit, and device for carrying out the method Leonardo-Augusto Serpa, Simon Douglas Round 2009-06-02
6700806 Unidirectional three phase pulse controlled rectifier system with failed phase voltage operation 2004-03-02
6693813 Device for quasi-direct pulse-width controlled energy conversion between three-phase system Johann Ertl 2004-02-17
6580621 Three-phase hybrid AC-voltage/AC-voltage direct converter having minimal complexity and high commutation security 2003-06-17
6377482 Device and method for line-voltage dependent thyristor controlled pre-charging of output capacitors in a three-level pulse rectifier system Wilhelm Korb 2002-04-23
6061256 Apparatus for conversion of a three-phase voltage into an isolated DC voltage 2000-05-09
5892352 Synchronization of the switching action of hysteresis current controlled parallel connected power electronics systems Ned Mohan, Girish R. Kamath 1999-04-06