Inventor · disambiguated record
Tomas Jonsson
Also filed as: JOENSSON TOMAS · JONSSON TOMAS · JONSSON TOMAS U
39 granted patents·8 pending applications·350 citations·filing 1995–2025
97Inventor score
Top patents by PatentIndex Score
47 records- 0195US8803358B2HVDC switchyard and an HVDC switchyard systemHÄFNER JÜRGEN·Filed 2011·Granted Aug 12, 2014·21 cites·21 claims
- 0295US8503202B2Modular voltage source converterCHIMENTO FILIPPO·Filed 2011·Granted Aug 6, 2013·42 cites·16 claims
- 0393US7554431B2Multiphase induction deviceABB AB·Filed 2005·Granted Jun 30, 2009·25 cites·13 claims
- 0481US9209679B2Method and apparatus for transferring power between AC and DC power systemsABB TECHNOLOGY AG·Filed 2013·Granted Dec 8, 2015·6 cites·16 claims
- 0581US6898095B2Bidirectional VSC converter with a resonant circuitABB AB·Filed 2002·Granted May 24, 2005·42 cites·19 claims
- 0680US8942014B2Converter cell for cascaded converters and a control system and method for operating a converter cellNORRGA STAFFAN·Filed 2012·Granted Jan 27, 2015·7 cites·20 claims
- 0780US2025371921A1Beacon circuit for use with electronic locksASSA ABLOY AB·Filed 2025·Application pending·0 cites
- 0879US9197068B2Coordinated control of multi-terminal HVDC systemsNUQUI REYNALDO·Filed 2011·Granted Nov 24, 2015·9 cites·26 claims
- 0976US8188726B2Method and arrangement to determine the cell capacitor voltage of a cell of a multi-cell power converterCHIMENTO FILIPPO·Filed 2011·Granted May 29, 2012·5 cites·16 claims
- 1075US8295370B2Method and arrangement for improved link quality controlTHURFJELL MAGNUS·Filed 2006·Granted Oct 23, 2012·7 cites·22 claims
- 1174US8400793B2Method in a cascaded two-level converter, control device and computer program productsJONSSON TOMAS·Filed 2009·Granted Mar 19, 2013·15 cites·11 claims
- 1273US6404656B1Control equipment for thyristor-controlled series capacitor equipment, and a method for control thereofABB AB·Filed 2000·Granted Jun 11, 2002·15 cites·13 claims
- 1371US10122163B2Scalable switchyard for interconnecting direct current power networksABB SCHWEIZ AG·Filed 2015·Granted Nov 6, 2018·3 cites·20 claims
- 1469US8614904B2Voltage source converter with switching cell bypass arrangementNORRGA STAFFAN·Filed 2008·Granted Dec 24, 2013·9 cites·22 claims
- 1565US8937798B2Method and control arrangement in a power systemHOSINI FALAH·Filed 2013·Granted Jan 20, 2015·2 cites·13 claims
- 1665US8711591B2AC/DC converterJONSSON TOMAS U·Filed 2010·Granted Apr 29, 2014·4 cites·22 claims
- 1764US5666277ASeries-compensated converter stationASEA BROWN BOVERI·Filed 1995·Granted Sep 9, 1997·34 cites·12 claims
- 1863US7210081B1Apparatus and methods for assessing reliability of assemblies using programmable logic devicesALTERA CORP·Filed 2003·Granted Apr 24, 2007·13 cites·55 claims
- 1960US8830708B2Fault current limitation in DC power transmission systemsBERGGREN BERTIL·Filed 2009·Granted Sep 9, 2014·5 cites·29 claims
- 2060US6995994B2Converter and a method for controlling a converterABB AB·Filed 2002·Granted Feb 7, 2006·17 cites·33 claims
- 2154US9531292B2Arrangement, method and computer program product concerned with tapping of power from a DC power line to an AC power lineABB TECHNOLOGY LTD·Filed 2013·Granted Dec 27, 2016·1 cites·20 claims
- 2253US9762136B2Thyristor based voltage source converterABB TECHNOLOGY LTD·Filed 2012·Granted Sep 12, 2017·1 cites·20 claims
- 2353US2023003865A1Detecting people using a people detector provided by a doorwayASSA ABLOY AB·Filed 2020·Application pending·0 cites
- 2452US2024144692A1People detectorASSA ABLOY AB·Filed 2022·Application pending·0 cites
- 2551US5701239AHigh-voltage direct current transmission installation having a high voltage regulation capabilityASEA BROWN BOVERI·Filed 1996·Granted Dec 23, 1997·17 cites·10 claims
- 2648US5627735AMethod and device for compensation of unbalance in a series compensated converter stationASEA BROWN BOVERI·Filed 1995·Granted May 6, 1997·15 cites·12 claims
- 2744US6897749B2Magnetic energy storage deviceABB AB·Filed 2001·Granted May 24, 2005·8 cites·23 claims
- 2840US9570912B2AC/DC converter station operated in dependence of voltage of capacitor connected in series between AC/DC converter and AC network interface and a method of operating the sameNORRGA STAFFAN·Filed 2010·Granted Feb 14, 2017·0 cites·13 claims
- 2940US2005280972A1Control circuitABB RESEARCH LTD·Filed 2005·Application pending·0 cites
- 3039US10084371B2Multilevel converter with a chopper circuitABB SCHWEIZ AG·Filed 2015·Granted Sep 25, 2018·0 cites·20 claims
- 3138US10770962B2Converter cell comprising an energy converter in parallel to a clamp inductorABB SCHWEIZ AG·Filed 2016·Granted Sep 8, 2020·0 cites·20 claims
- 3238US5694306AMethod and device for control of a series-compensated converter stationASEA BROWN BOVERI·Filed 1995·Granted Dec 2, 1997·7 cites·20 claims
- 3337US9019732B2High voltage DC/DC converterNORRGA STAFFAN·Filed 2011·Granted Apr 28, 2015·0 cites·20 claims
- 3436US5657213AMethod and device for control of a series-compensated converter stationASEA BROWN BOVERI·Filed 1995·Granted Aug 12, 1997·10 cites·10 claims
- 3536US2005030140A1Multiphase induction deviceFiled 2001·Application pending·0 cites
- 3636US2012086412A1Arrangement For Exchanging PowerCHIMENTO FILIPPO·Filed 2011·Application pending·0 cites
- 3733US8081406B2Thyristor controlled series capacitor moduleINGESTROEM GUNNAR·Filed 2005·Granted Dec 20, 2011·0 cites·4 claims
- 3833US6361147B1Direct electrostatic printing method and apparatusARRAY PRINTERS AB·Filed 1999·Granted Mar 26, 2002·2 cites·28 claims
- 3933US6102525AMethod and apparatus for controlling the print image density in a direct electrostatic printing apparatusARRAY PRINTERS AB·Filed 1998·Granted Aug 15, 2000·2 cites·18 claims
- 4033US5621626AMethod and device for control of an installation for transmission of high-voltage direct currentASEA BROWN BOVERI·Filed 1995·Granted Apr 15, 1997·4 cites·10 claims
- 4133US2004246756A1Arcp converter and a method for control thereofFiled 2002·Application pending·0 cites
- 4233US2004246746A1Method for controlling a converterFiled 2002·Application pending·0 cites
- 4331US9246327B2Arrangement for controlling the electric power transmission in a HVDC power transmission systemGIANNOCCARO DIMITRIS·Filed 2011·Granted Jan 26, 2016·0 cites·25 claims
- 4431US9007792B2Arrangement for transmitting power between a DC power line and an AC power lineMUKHERJEE SUBHASISH·Filed 2010·Granted Apr 14, 2015·0 cites·20 claims
- 4531US6082850AApparatus and method for controlling print density in a direct electrostatic printing apparatus by adjusting toner flow with regard to relative positioning of rows of aperturesARRAY PRINTERS AB·Filed 1998·Granted Jul 4, 2000·1 cites·19 claims
- 4630US6081283ADirect electrostatic printing method and apparatusARRAY PRINTERS AB·Filed 1998·Granted Jun 27, 2000·0 cites·23 claims
- 4724US6361148B1Direct electrostatic printing method and apparatusARRAY PRINTERS AB·Filed 1999·Granted Mar 26, 2002·1 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Tomas Jonsson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →