Patents

Inventors	Assignee	Title	Date	Patent / Applic. No.	Country
J. Huber, J. W. Kolar, U. Drofenik, F. Canales	ABB Schweiz AG	Modular three-phase medium-voltage (Swiss/IAF) rectifier	2023-07-19	EP23186463.8	EP
J. Huber, J. W. Kolar, U. Drofenik, F. Canales	ABB Schweiz AG	Modular three-phase medium-voltage (Vienna) rectifier	2023-07-19	EP23186470.3	EP
U. Drofenik, F. Canales, J. Huber, J. Kolar	ABB Schweiz AG	Capacitively isolated modular solid-state transformer	2023-07-05	EP 23183646.1	EP
D. Zhang, J. Huber, J. W. Kolar, J. Everts	Prodrive Technologies Innovation Services BV	Electrical Converter with Overvoltage Protection Circuit	2021-05-19	WO22243423	WO
Y. Ono, K. Nakamura, M. Haider, D. Bortis, S. Miric, J. W. Kolar	Nabtesco Corporation	Motor Driving System	2021-04-22	WO22225031	WO
Y. Ono, M. Haider, D. Bortis, J. W. Kolar	Nabtesco Corporation	Inverter, Control Method for Inverter, Control Program for Inverter, Converter, and Driving Device	2021-01-22	WO22158521	WO, US
F. Krismer, J. W. Kolar, P. Papamanolis, P. Czyz, T. Guillod, V. Lazarevic	ABB Schweiz AG	Voltage Source Converters Configured to Transition Between at Least Two Voltage Levels	2020-11-30	SE202051394	SE
J. W. Kolar, J. Azurza, M. Haider, S. Miric	Infineon Technologies Austria AG	Sinusoidal Triangular Current Mode Control for Power Converter	2020-09-18	EP3972110	CN, EP
J. W. Kolar, Y. Li, J. Schäfer	Infineon Technologies Austria AG	Power Conversion Method Using a Synergetic Control of Two Power Converters	2020-09-16	US2022085725	US, CN, EP
J. W. Kolar, D. Menzi, J. Everts	Prodrive Tech Innovation Services BV, ETH Zurich	Modular Reconfigurable Electrical AC/DC Converter	2020-08-21	WO22038288	WO, NL
D. Menzi, M. Zhang, J. Azurza, J. W. Kolar	Prodrive Tech Innovation Services BV	Multi-Level Bidirectional Electrical AC/DC Converter	2020-07-30	WO22023527	WO, NL
D. Zhang, M. Guacci, J. W. Kolar, J. Everts	Prodrive Tech Innovation Services BV, ETH Zurich	Electrical Power Converter	2020-04-28	WO21219761	WO, NL
P. Niklaus, D. Bortis, J. W. Kolar	ETH Zurich	Galvanisch getrenntes Messsystem	2019-08-13	CH716494	CH
G. Deboy, J. W. Kolar, M. Kasper, D. Bortis, M. Guacci	Infineon Technologies Austria AG	Power Converter and Power Conversion Method	2019-04-15	US2020328698	US, EP
D. Bortis, J. W. Kolar, J. Azurza	Infineon Technologies Austria AG	Method for Operating a Power Converter	2019-03-15	US11165339	US, CN, EP
J. W. Kolar, M. Guacci, D. Bortis	ETH Zurich	Method for Closed-Loop Control of a Three-Phase Pulse Rectifier System with Current Intermediate Circuit	2019-02-01	WO20157053	WO, CH
J. W. Kolar, M. Mauerer	ETEL SA	Electrical Power Converter Having a Dual Buck Power Stage and Main Switching Stage and Method for Controlling such an Electrical Power Converter	2018-11-21	US10886852	US, EP
J. W. Kolar, P. Papamanolis, F. Krismer	Prodrive Technologies BV	Multiphase Converter Topology for Multiphase and Single-Phase Operation	2018-10-15	WO20079019	WO, US, CN, EP, CH, KR
Y. Ono, M. Haider, D. Bortis, J. W. Kolar	Nabtesco Corp.	AC-DC Converter, DC-DC Converter, and AC-AC Converter	2018-10-12	WO20075867	WO, EP, JP
F. Krismer, J. W. Kolar, J. Böhler	Egston Power Electronics GmbH	Multi-Phase, Electrically Isolated DC-to-DC Converter	2018-10-04	WO20070167	WO, EP, CH
S. Miric, M. Schuck, A. Tueysuez, J. W. Kolar	ETH Zurich	Linear-rotatorischer elektromechanischer Aktuator	2018-09-19	CH715359	CH
L. Schrittwieser, J. W. Kolar	ETH Zurich	Potentialgetrennter AC-DC-Konverter	2018-09-13	CH715318	CH
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detecting Device and Speed Detecting Method	2018-05-29	EP3584586	CN, EP, DE, JP
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detection Device	2018-05-29	JP7046721	JP
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detection Device and Speed Detection Method	2018-05-29	EP3584587	CN, EP, DE, JP
D. Bortis, J. W. Kolar, D. Menzi	ETH Zurich	Vorrichtung zur Umsetzung einer in weiten Grenzen variierenden Gleichspannung in eine Mehrphasenwechselspannung mit variabler Frequenz und Amplitude	2018-05-17	CH715005	CH
J. W. Kolar, D. Bortis, J. Schäfer	Robert Bosch GmbH	Inductive Component and High-Frequency Filter Device	2018-03-22	WO19179749	WO, US, CN, EP, DE
J. W. Kolar, D. Bortis, J. Schäfer	Robert Bosch GmbH	Transformer, Voltage Converter and Method for Transmitting Electric Power	2018-03-14	WO19174916	WO, DE
Y. Ono, M. Haider, D. Bortis, J. W. Kolar	Nabtesco Corp.	AC-AC Power Converter	2018-03-08	US11043905	US, CN, EP, JP
J. W. Kolar, D. Bortis	ETH Zurich	Method for Controlling a Three-Phase Pulse Rectifier System	2018-03-02	WO19166642	WO, CH
M. Guacci, D. Bortis, J. W. Kolar	ETH Zurich	Durchlassspannung-Messschaltung	2018-02-16	CH714661	CH
Kolar J. W., Schäfer J., Bortis D.	Robert Bosch GmbH	Transformer for a Three-Port Voltage Converter, Three-Port Voltage Converter and Method for Transmitting Electrical Power	2017-12-06	WO19110314	WO, US, CN, EP, DE, JP, KR
I. Subotic, A. Tueysuez, J. W. Kolar	ETH Zurich	Vorrichtung zum elektromagnetischen Schweben und Antreiben	2017-12-05	CH714405	CH
Y. Ono, K. Nakamura, M. Haider, D. Bortis, J. W. Kolar	Nabtesco Corp.	AC-AC Converter Circuit	2017-10-13	WO19073904	WO, US, CN, EP, JP, KR
D. Bortis, J. W. Kolar	ETH Zurich	Galvanisch getrenntes Messsystem mit hoher Gleichtaktunterdrückung	2017-10-05	CH714225	CH
M. Leibl, L. Schrittwieser, J. W. Kolar, D. Bortis, M.Antivachis	ETH Zurich	AC/DC Converter Having Step-Up/Step-Down Converter Phase Modules	2017-09-20	WO19057771	WO, CH
J. W. Kolar, D. Bortis, M. Antivachis	ETH Zurich	Verfahren zur Ansteuerung eines mehrphasigen Wechselrichters	2017-08-29	CH714100	CH
M. Leibl, J. W. Kolar, L. Schrittwieser	ETH Zurich	Verfahren und Konverter zur potentialfreien elektrischen Energieübertragung	2017-08-24	CH714079	CH
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detection Device and Speed Detection Method	2017-08-07	EP3450987	CN, EP, JP
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detection Device and Speed Detection Method	2017-08-07	EP3450988	CN, EP, JP
S. Miric, A. Tueysuez, J. W. Kolar	ETEL SA	Electromechanical Actuator	2017-06-27	EP3422545	EP, DE
S. Miric, A. Tueysuez, D. Bortis, J. W. Kolar	ETEL SA	Electromechanical Actuator	2017-06-27	EP3422544	EP
S. Miric, A. Tueysuez, J. W. Kolar	ETH Zurich	Elektrischer Gleichstrom-/Wechselstrom-Leistungsumrichter	2017-06-16	CH713936	CH
D. Neumayr, D. Bortis, G. Deboy, M. Fahlenkamp, J. W. Kolar, M. Krueger, A. Sanders	Infineon Technologies Austria AG	Switched Mode Power Converter that is Switched Using Current Thresholds	2017-05-19	US11404962	US, DE
J. W. Kolar, J. Huber	ETH Zurich	Modularer Multilevel-Stromrichter	2017-04-26	CH713723	CH
J. W. Kolar, D. Bortis, J. Schäfer	Robert Bosch GmbH	Isolated DC/DC Converter for Controlling Power Flows Between Three DC Terminals	2017-04-19	WO18192754	WO, US, CN, DE
G. Deboy, J. W. Kolar, D. Neumayr	Infineon Technologies Austria AG	Power Converter Circuit with a Main Converter and an Auxiliary Converter	2017-03-24	US11342853	US, DE
J. W. Kolar, J. Huber, F. Krismer, D. Neumayr, P. Papamanolis	Egston Power Electronics GmbH	Inverter	2017-03-22	WO18172329	WO, EP, DE, AT
L. Schrittwieser, M. Leibl, M. Haider, F. Thoeny, J. W. Kolar	ETH Zurich	Magnetische Drossel, Umrichterabschnitt und Umrichter	2017-03-15	CH713573	CH
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detection Device	2016-12-09	WO18105727	WO, CN, EP, JP
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Speed Detection Device	2016-12-09	WO18105728	WO, CN, EP, JP
J. W. Kolar, M. Kasper	Infineon Technologies Austria AG	Multi-Cell Power Converter with Improved Start-Up Routine	2016-12-06	US10361624	US
M. Kasper, C. Wie, J. W. Kolar	Infineon Technologies Austria AG	Switching Frequency Modulation in a Switched Mode Power Supply	2016-10-14	US10008954	US
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Train, and Brake Control Device for Train	2016-09-16	WO18051636	WO, CN, EP, JP
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Rotary Electric Machine and Non-Contact Generator	2016-09-12	WO18047483	WO, JP
M. Flankl, A. Tueysuez, J. W. Kolar, Y. Tsukada, K. Nakamura	Nabtesco Corp.	Rotary Motor and Non-Contact Generator	2016-07-20	WO18016545	WO, CN, EP, DE, JP
D. Neumayr, D. Bortis, M. Guacci, J. W. Kolar, M. Leibl, G. Deboy	Infineon Technologies Austria AG	Power Converter Including an Autotransformer and Power Conversion Method	2016-06-24	US10177681	US, DE
J. W. Kolar, M. Kasper	Infineon Technologies Austria AG	Power Converter with a Snubber Circuit	2016-02-22	US9780676	US
J. W. Kolar, J. Huber	ETH Zurich	Konverter zur potentialgetrennten Übertragung elektrischer Energie	2016-01-12	CH712011	CH
J. W. Kolar, M. Mauerer	ETEL SA	Circuit Arrangement for Controlling Power Transistors of a Power Converter	2015-11-19	US10027319	US, EP, DE
D. Bortis, J. W. Kolar, D. Neumayr, F. Krismer, O. Knecht	ETH Zurich	Inverter zum Austausch elektrischer Energie zwischen einem DC-System und einem AC-System	2015-09-24	CH711566	CH
D. Bortis, O. Knecht, J. W. Kolar	ETH Zurich	Vorrichtung zur pulsdauerunabhängigen sicheren Ansteuerung von Leistungstransitoren	2015-08-28	CH711457	CH
D. Bortis, J. W. Kolar, D. Neumayr, A. Tueysuez, M. Kaufmann	ETH Zurich	Steuerverfahren zur Minimierung der EM-Störaussendung und Verluste mehrphasiger AC/DC-Konverter mit TCM-Betrieb der Brückenzweige	2015-08-27	CH711454	CH
D. Bortis, J. W. Kolar, D. Neumayr, F. Krismer, Y. Lobsiger	ETH Zurich	Verfahren und Vorrichtung zur Steuerung eines Einphasen-DC/AC-Konverters	2015-08-06	CH711423	CH
L. Schrittwieser, J. W. Kolar, T. B. Soerio, F. Canales	ABB Schweiz AG	Electrical Converter and Control Method	2015-07-01	EP3113345	EP, DE, ES
J. W. Kolar, P. Cortes Estay, F. Vancu	ETH Zurich	AC/DC-Konverter	2015-06-11	CH711205	CH
M. Flankl, Y. Tsukada, J. W. Kolar, A. Tueysuez, K. Nakamura	Nabtesco Corp.	Non-Contact Power Generator	2015-06-10	WO16199848	WO, US, CN, EP, DE, JP
M. Flankl, Y. Tsukada, J. W. Kolar, A. Tueysuez, K. Nakamura	Nabtesco Corp.	Rotary Electric Machine	2015-06-10	WO16199844	WO, JP
M. Flankl, Y. Tsukada, J. W. Kolar, A. Tueysuez, K. Nakamura	Nabtesco Corp.	Rotary Electric Machine and Non-Contact Power Generator	2015-06-10	WO16199861	WO, JP
M. Flankl, Y. Tsukada, J. W. Kolar, A. Tueysuez, K. Nakamura	Nabtesco Corp.	Rotary Electric Machine and Non-Contact Power Generator	2015-06-10	WO16199865	WO, US, CN, EP, JP
M. Flankl, Y. Tsukada, J. W. Kolar, A. Tueysuez, K. Nakamura	Nabtesco Corp.	Rotary Electric Machine and Non-Contact Power Generator	2015-06-10	WO16199845	WO, JP
M. Kasper, J. W. Kolar, G. Deboy	Infineon Technologies Austria AG	Multi-Cell Power Conversion Method with Failure Detection and Multi-Cell Power Converter	2015-03-04	US9755537	US, CN, DE, KR
J. W. Kolar, D. Bortis	ETH Zurich	Control Method and Device for the Active Compensation of Power Supply- or Load Dependent Fluctuations of the Power Flow of a Power Electronic Converter System	2015-02-04	WO16124681	WO, CH
D. Bortis, J. W. Kolar	ETH Zurich	DC/DC-Konverter und Verfahren zur Steuerung eines weich schaltenden DC/DC-Konverters	2015-01-29	CH710661	CH
M. Kasper, J. W. Kolar, G. Deboy	Infineon Technologies Austria AG	Alternating Average Power in a Multi-Cell Power Converter	2014-09-08	US9929662	US, CN, DE, JP
M. Kasper, J. W. Kolar, G. Deboy	Infineon Technologies Austria AG	Multi-Cell Power Conversion Method and Multi-Cell Power Converter	2014-09-08	US2016072395	US, CN, DE, JP
M. Kasper, J. W. Kolar, G. Deboy	Infineon Technologies Austria AG	Multi-Cell Power Conversion Method and Multi-Cell Power Converter	2014-09-08	US9837921	US, CN, DE, JP
M. Kasper, J. W. Kolar, G. Deboy	Infineon Technologies Austria AG	Multi-Cell Power Conversion Method and Multi-Cell Power Converter	2014-09-08	US9762134	US, CN, DE, JP
F. Canales, B. Wunsch, R. Bosshard, J. W. kolar, B. Guggisberg, G. Gong	ABB Schweiz AG, ABB Technology AG	Inductive Power Transfer System and Method for Operating an Inductive Power Transfer System	2014-03-31	US9843199	US, CN, EP
F. Krismer, J. W. Kolar	ETH Zurich	Verfahren zur Regelung eines Gleichrichters	2014-03-25	CH709405	CH
P. Cortes Estay, J. W. Kolar	ETH Zurich	Elektronischer Leistungswandler	2013-09-09	CH708510	CH
J. W. Kolar, P. Cortes Estay, J. Huber	ETH Zurich	Verfahren zur Regelung einer Sternpunktspannung eines elektronischen Leistungswandlers	2013-09-09	CH708511	CH
D. Boillat, J. W. Kolar	ETH Zurich	Vorrichtung und Verfahren zur galvanischen Trennung und Spannungssymmetrierung in einem bidirektionalen DC-DC Wandler mit hochfrequentem AC-AC Übertrager	2013-08-28	CH708498	CH
Y. Lobsiger, J. W. Kolar, M. Laitinen	ABB Research LTD, ABB Schweiz AG	Active Gate Drive Circuit	2013-06-20	US9007102	US, CN, EP, DE, DK
P. Cortes Estay, J. W. Kolar	ETH Zurich	Verfahren zum Betreiben eines elektronischen Leistungswandlers	2013-06-14	CH708219	CH
O. Boillat, P. Cortes Estay, J. W. Kolar	AIT Austrian Institute of Tech GmbH	A Multiphase AC Power Converter and Method for Controlling a Multiphase AC Power Converter	2013-06-12	EP2814164	EP, DE, ES
G. Ortiz, J. W. Kolar	ETH Zurich	Verfahren zum Betreiben einer Umrichterbrücke	2013-06-12	CH708218	CH
P. Cortes, J. W. Kolar	ETH Zurich	Elektronischer Leistungswandler und Verfahren zu dessen Ansteuerung	2013-05-07	CH708040	CH
J. Everts, J. W. Kolar	ETH Zurich	Elektrischer Leistungswandler zur DC/DC-Wandlung mit dualen aktiven Brücken	2013-02-04	CH707553	CH
D. Bortis, J. W. Kolar, M. Kasper	ETH Zurich	Vorrichtung zur Gleichspannungswandlung für hohe Übersetzungsverhältnisse	2013-01-15	CH707447	CH
J. W. Kolar, G. Ortiz, L. Fässler	ETH Zurich	Messverfahren und induktives Element mit einer Messvorrichtung zur Induktivitätsmessung während der Messung einer magnetischen Flussdichte	2012-11-13	CH707221	CH
J. W. Kolar, G. Ortiz, L. Fässler	ETH Zurich	Messverfahren und Messvorrichtung zur Induktivitätsmessung bei der Messung einer magnetischen Flussdichte	2012-11-13	CH707218	CH
S. Sasaki, H. Tojima, J. W. Kolar, B. Wrzecionko, L. Steinmann, J. Ertl	Toyota Motor Co. Ltd, ETH Zurich	Electric Current Measurement Method	2012-03-30	US9110119	US, CH, JP
Y. Lobsiger, J. W. Kolar, M. Laitinen	ABB Research Ltd	Active Gate Drive Circuit	2012-01-13	US8710876	US, CN, EP, DE
J. W. Kolar, D. Bortis	ETH Zurich	Vorrichtung zur transformatorischen Energieübertragung auf eine rotierende Welle	2011-12-01	CH705833	CH
J. W. Kolar, G. Ortiz, F. Krismer	ETH Zurich	Elektrischer Wandler und Verfahren für dessen Betrieb	2011-11-16	CH705817	CH
P. Randstad, J. W. Kolar, T. Soeiro J. Linner	Alstom Technology Ltd, Alstom SA	Hybrid Rectifier and Method for Operating such Hybrid Rectifier	2011-11-04	WO13064608	WO, EP
P. Randstad, J. W. Kolar, J. Linner, T. Soeiro	Genereal Electric Technology GmbH, Alstom Technology Ltd, Alstom SA	Voltage Source Converter (VSC) with Neutral-Point-Clamped (NPC) Topology and Method for Operating such Voltage Source Converter	2011-11-04	US9543855	US, CN, EP, IN
J. W. Kolar, J. Linner, T. Soeiro, P. Randstad	Genereal Electric Technology GmbH, Alstom Technology Ltd	Method and Device for Determining a Control Scheme for an Active Power Filter	2011-05-27	US8570776	US, CN, EP, AU, CA, IN, DE, PL
Ch. Hafner, J. W. Kolar, D. Boillat, T. Friedli	ETH Zurich	Verfahren und Vorrichtung zur Beeinflussung elektrischer Schaltungen, insbesondere zur Einstellung der Güte schwingfähiger elektrischer Systeme	2011-04-21	CH704852	CH
J. W. Kolar, T. Friedli, T. Soeiro	ETH Zurich	Modularer bidirektionaler AC/AC-Konverter ohne Energiezwischenspeicher	2011-03-04	CH704586	CH
J. W. Kolar, T. Friedli, M. Hartmann	ETH Zurich	Hybrider dreiphasiger AC/DC-Konverter und Verfahren zu dessen Steuerung	2011-02-21	CH704553	CH
J. Miniböck, U. Badstübner, J. W. Kolar	ETH Zurich	Verfahren zur Begrenzung von Ueberspannungen an den Ausgangsdioden eines Potentialgetrennten DC/DC-Konverters	2011-02-11	CH704460	CH
G. Ortiz, J. Mühlethaler, J. W. Kolar	ETH Zurich	Vorrichtung zur Messung der Flussdichte im Magnetkreis von Mittelfrequenz-Hochleistungstransformatoren	2010-12-23	CH704267	CH
J. W. Kolar, D. Bortis, Y. Lobsiger, M. Laitinen	ABB Research Ltd	Gate Driver Unit for Electrical Switching Device	2010-10-22	US8963585	US, CN, EP, DE
J. W. Kolar, J. Biela	ECPE Engineering CT for Power Electronics GmbH	Voltage Converter i.e. Alternating-Current to Direct-Current Converter, for e.g. Electronic Device, has Flyback Converter Connected with Alternating-Current Terminal, so that Voltage is Applied Between Primary Side Connection Points	2010-07-16	DE102010027492	DE
J. Biela, T. Soeiro, J. W. Kolar, P. Randstad, J. Linner	Alstom Technology Ltd	Method to Minimize Input Current Harmonics of Power Systems such as ESP Power Systems	2010-06-18	WO11157567	WO, US, CN, EP, IN, BR, DE, DK, PL
J. Biela, J. W. Kolar, D. Aggeler	ETH Zurich	Switching Device Having a Jfet Series Circuit	2010-04-07	WO11123962	WO, US, CN, EP, IN, DE, RU, JP, CH
J. W. Kolar, J. Miniböck, J. Biela	ETH Zurich	Verfahren zum Ansteuern einer aktiven Wandlerschaltung und korrespondierende Schaltung	2009-09-17	CH701856	CH
J. W. Kolar, C. Marxgut, J. Biela	ETH Zurich	Träger für eine elektronische Schaltung mit einem magnetischen Kern	2009-09-11	CH701761	CH
J. Biela, F. Giezendanner, J. W. Kolar	Tridonicatco GmbH	Operating Device for e.g. Led, of Lighting System for Lighting e.g. Rooms, has Power Factor Correction Circuit Comprising Storage Throttle that Comprises Secondary Winding, where Winding is Switched in Series with Coupling Capacitor	2009-04-24	DE102010003910	DE
J. Biela, D. Aggeler, J. W. Kolar	ETH Zurich	Switching Device Having a Cascode Circuit	2009-03-27	WO10108292	WO, US, CN, EP, DE, IN, RU, JP, CH
J. Biela, D. Aggeler, J. W. Kolar	ETH Zurich	Jfet Series Connection	2009-02-05	WO10088783	WO, US, CN, EP, DE, IN, RU, JP, CH
J. W. Kolar, S. Waffler	ETH Zurich	Ansteuerschaltung für leistungelektronische Schalter	2008-11-07	CH699884	CH
J. Biela, J. Schönenberger, J. W. Kolar	ETH Zurich	Control Device for Controlling Line Current of Hybrid Twelve-Pulse Rectifier System, has Modulation Function Generator Modulating Output Voltages of Three-Phase Diode Bridges such that Pulse Width-Modulated Three-Phase Voltages are Combined	2008-06-25	CH703443	CH
J. Biela, F. Giezendanner, J. W. Kolar	Tridonicatco GmbH	Operating Device for Illuminant i.e. Ballast, of e.g. Led, has Power Factor Correction Unit Symmetrically Formed such that Load Choke is Dividedly Arranged on Longitudinal Branches, and Diode Poled Opposite to Another Diode	2008-06-23	DE102009030038	DE
J. Biela, J. W. Kolar, C. Marxgut, D. Bortis	ETH Zurich	Device for Milling and Drilling Rock with High Energy Pulses, has Electronic Power Switch Through which High Discharge Current and High Energy are Introduced into the Rock, During Milling and Drilling	2008-05-29	CH704345	CH
J. W. Kolar, F. Schafmeister	ETH Zurich	Indirect Three Phase-Alternating Current/Alternating Current-Matrix Converter Controlling Method for Three-Phase, Pulse-Width Modulated Output Phase Voltage System, Involves Determining Whether Four-Quadrant Switch is in Conducting State	2008-05-13	CH702324	CH
J. W. Kolar, F. Schafmeister	ETH Zurich	Unidirectional Three-Phase-Three-Point-Alternating Current/Alternating Current-Converter System for Converting Three-Phase Voltage System into Pulse Width Modulated Voltage System, has Phase Inputs Connected with Outputs over Diodes	2008-05-13	CH703322	CH
F. Giezendanner, M. Braun, H. Knoedgen, J. Biela, E. Pereira, J. W. Kolar, J. Fink	Tridonicatco GmbH	Ballast for a Gas Discharge Lamp, for Example an Hid Lamp	2007-11-05	WO09059744	WO, CN, EP, DE
J. Biela, D. Bortis, S. Waffler, J. W. Kolar,	ETH Zurich	Method for Determining Reference Value of Current of Input Capacitor of Pulsed Power System, Involves Removing Pulse Current of Input Capacitor for Short Duration at Beginning of Pulse Period	2007-06-22	CH701287	CH
J. Biela, D. Bortis, J. W. Kolar	ETH Zurich	Apparatus for Low-Loss Negative Pre-Magnetization of High-Power Pulse Transformer of Pulsed Power System, has Recovery Diode Located in Current Flow Direction Between Input of Polarity Changer and End of Series Inductor	2007-06-21	CH699646	CH
J. Biela, F. Giezendanner, S. Koch-Zudrell, J. W. Kolar	Tridonicatco GmbH	Ballast for a Gas Discharge Lamp	2007-04-02	WO08119406	WO, EP, DE
J. W. Kolar	ETH Zurich	Phase Intermediate Circuit Voltage Regulating Device for Three-Phase Three Level Pulse Rectifier, has Subtracting Element with Output, where Upper Output Signal is Increased and Lower Output Signal is Reduced for Negative Offset	2006-11-24	CH699822	CH
T. Friedli, J. W. Kolar	ETH Zurich	Quasi-Direct Three Phase Alternating Current/ Alternating Current Pulse Converter Controlling Method, Involves Providing Initial Stage Selected at Section of Pulsed Periods Identical to Ratio of Period of Switch-On Intervals	2006-11-07	CH698914	CH
J. W. Kolar, F. Krismer	ETH Zurich	Method for Switching Loss Minimum Controlling of Buck-Boost Converter, Utilized in Hybrid Vehicle, Involves Implementing Complete Discharge of Capacitance of Transistors such that Diodes Begin to Conduct before Course of Locking Times	2006-11-06	CH699920	CH
J. W. Kolar	ETH Zurich	Device for Three-Phase Drive System of Hybrid Motor Vehicle, has Star-Point of Stator Phase of Polyphase Machine Taken to Input Face First End of Hf-Isolated Circuit Part	2006-07-27	CH698725	CH
J. Biela, H. Putzi Plesko J. W. Kolar	ETH Zurich	Three-Phase Drive System for Use in Hybrid Vehicle, has Battery Supporting Auxiliary Direct Current Voltage And Directly Arranged Between Positive and Negative Output Voltage Rails of Secondary-Sided Rectifier Circuit	2006-07-27	CH699364	CH
J. Ertl, J. W. Kolar	ETH Zurich	Electrolytic Capacitor's Loss Resistance i.e. Equivalent-Series-Resistor Value, Determining Device for Pulse Inverter, has Multiplier Circuit Whose Output Signal is Led to Divisor Such that Signal is Tapped at Output of Divider Circuit	2006-05-09	CH698055	CH
J. W. Kolar J. Miniböck	ETH Zurich	Constant Component-Afflicted Alternating Current Measuring Device for Use in e.g. Single Pulse Unidirectional Rectifier System, has Control Device Outputting Control Signal at Control Input of Transistor Connected with Winding	2006-02-28	CH699531	CH
J. W. Kolar	ETH Zurich	Device for Converting Three Phase Alternating Current Voltage Into Direct Current Voltage for Three Phase Buck-Boost Converter Pulse Rectifier System, Has Bridge Section Whose Phase Input has Negative Value of Input Potential of Section	2006-02-20	CH698918	CH
J. W. Kolar	ETH Zurich	Control of the Part-Output Voltages at a Three-Point Boost Converter Prevents a Current Overload at the Power Transistors	2006-01-20	CH698490	CH
W. Beyerlein, J. W. Kolar	Siemes AG	Apparatus with a Moving System and a Stationary System	2006-01-12	US7613273	US, DE, JP
L. Serpa, J. W. Kolar, S. Round	ABB Schweiz AG	Method for Operating a Converter Circuit and Device for Carrying Out the Method	2005-11-21	WO07056886	WO, US, CN, EP, DE, IN, RU, JP, ES, AT
J. W. Kolar, J. Biela	ETH Zurich	Active Suppression Device for Common-Mode and Serried-Mode Interference of Converter, Includes Electronic Power Converter Connected to Symmetrically Divided Inductances of Suppression Device	2005-09-14	CH698731	CH
J. Ertl, J. W. Kolar	ETH Zurich	Multi-Cell Hybrid Power Amplifier for Test-Voltage Generation for Testing Linear/Non-Linear Loads, Applies Output of Summation Device to Control Input of Analog Amplifier Cell	2005-05-19	CH698432	CH
J. W. Kolar, S. Round	ETH Zurich	Method for Controlling a Self-Guided Three-Phase Pulse Rectifier System Comprises Hysteresis Switching Parts Having Prescribed Gauges of the Switching Hysteresis Via Control Inputs	2005-03-04	CH698527	CH
J. W. Kolar		Rectifier Circuit	2005-01-31	JP4797389	JP
J. W. Kolar	ETH Zurich	Device for Tolerance Band Control of the Phase Currents of a Three-Phase Three-Point Pulse Rectifier System Feeds Control Commands to a Valve Arrangement of the Rectifier System as Output from Phase Control Parts	2005-01-14	CH698458	CH
J. W. Kolar, F. Schafmeister	ETH Zurich	Method for Controlling Indirect Matrix Converter for Applying Reactive Output Current for Forming Ideal Current Input, Involves Forming Required Output Voltage of Converter, which Takes Place in Half Pulse Period of Pulse Period	2004-06-21	CH698150	CH
J. W. Kolar	ETH Zurich	Symmetrical Line Current Reference Value Parameter Forming Device for Intermediate Circuit Voltage Regulation of Star Connection of Single-Phase Power Supply Module, has Correction Device Correcting Negative Voltage Regulation Deviations	2004-06-21	CH698151	CH
J. W. Kolar, T. Nussbaumer	ETH Zurich	Method for Controlling Unidirectional Three Phase Torque Switch-Pulse Rectifier System, Involves Dividing Imposed Output Current Into Input Current Pulse so that Sinusoidal Current is Generated after Filtering Harmonic Oscillations	2004-03-30	CH697436	CH
J. W. Kolar, J. Miniböck	ETH Zurich	Pulsed Bipolar Control of a High Power Piezo Actuator Gives a Rectangular Voltage with Defined Upper and Lower Levels	2004-03-25	CH698597	CH
J. Ertl, J. W. Kolar	Schaffner EMV AG	Device for Separating the Radio Noise Voltages of Three-Phase Converter Systems Into a Common Mode Component and a Push-Pull Component	2004-03-16	WO05088821	WO, CH
J. Miniböck, J. W. Kolar	ETH Zurich	Device for Controlling Detachable Power Semiconductors, has Common Mode Interference Resistance of More than Fifteen Kilowatt per Microsecond for Potential-Free Control of Interconnection of Multiple Power Semiconductors	2003-04-25	CH701375	CH
G. Gong, J. W. Kolar	ETH Zurich	Device for Potential Separation and Output Signal-Dependent Guidance of Linear-Power Amplifier Supply Voltages, has Upper Foil Capacitor Between Positive Linear-Power Amplifier Supply Voltage Terminal and Potential Reference Point	2003-04-02	CH696572	CH
J. W. Kolar, F. Schafmeister	ETH Zurich	Quasi-Direct Three Phase Alternating Current/Alternating Current Pulse Converter Controlling Method, Involves Selecting Rectifier Input Part Within Half Periods Relative to Switching Time of Conditions and/or Modulation Index of Output Part	2003-02-05	CH696414	CH
J. W. Kolar, S. Herold	ETH Zurich	Quasi-Direct Three Phase AC/AC Pulse Converter Controlling Method, Involves Connecting Switch with Another Switch, and Providing Total Period of Active Free Wheel Condition of Output Stage for Recombination of Memory Load of Former Switch	2003-01-24	CH696415	CH
J. W. Kolar, M. Baumann	M. Baumann	Vorrichtung zur Sicherstellung sinusförmiger Stromaufnahme eines dreiphasigen Tief-Hochsetzsteller-Pulsgleichrichtersystems bei unsymmetrischer Netzspannung und Phasenausfall	2003-01-13	AT500859	AT
J. W. Kolar, M. Baumann	M. Baumann	Verfahren zur Unterdrückung von Kreisströmen zwischen parallel geschalteten Dreiphasen-Pulsgleichrichtersystemen mit eingeprägtem Ausgangsstrom	2002-05-13	AT500586	AT
J. W. Kolar	Mitsubishi Electric Corp.	Three-Phase Hybrid AC-Voltage/AC-Voltage Direct Converter Having Minimal Complexity and High Commutation Security	2001-08-31	US6580621	US, EP, DE, AT, JP
J. W. Kolar, J. Ertl	Mitsubishi Electric Corp.	Device for Quasi-Direct Pulse-Width Controlled Energy Conversion Between Three-Phase System	2001-07-27	US6693813	US, EP, DE, AT, JP

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