Inventor · disambiguated record
Risto Komulainen
Also filed as: KOMULAINEN RISTO
21 granted patents·1 pending application·163 citations·filing 1983–2020
94Inventor score
Top patents by PatentIndex Score
22 records- 0185US7176804B2Protection of power semiconductor componentsVACON OYJ·Filed 2005·Granted Feb 13, 2007·17 cites·11 claims
- 0283US8890448B2Braking apparatus, electric drive, and elevator systemPUTKINEN ESA·Filed 2012·Granted Nov 18, 2014·14 cites·25 claims
- 0383US8553432B2Power transmission method and power transmission apparatusKOMULAINEN RISTO·Filed 2010·Granted Oct 8, 2013·11 cites·15 claims
- 0479US7430101B2Overvoltage protection of a frequency converterVACON OYJ·Filed 2006·Granted Sep 30, 2008·19 cites·8 claims
- 0577US8736204B2Transfer apparatus for electric powerSÖDÖ NICKLAS·Filed 2012·Granted May 27, 2014·5 cites·20 claims
- 0675US10742179B2Power amplifierINGERSOLL-RAND COMPANY·Filed 2018·Granted Aug 11, 2020·1 cites·20 claims
- 0769US7742321B2Measurement of the current of a frequency converterVACON OYJ·Filed 2007·Granted Jun 22, 2010·9 cites·20 claims
- 0869US7061759B2Arrangement for the placement of frequency convertersVACON OYJ·Filed 2004·Granted Jun 13, 2006·16 cites·14 claims
- 0964US2020072278A1Active magnetic bearing controllerINGERSOLL RAND CO·Filed 2019·Application pending·0 cites
- 1062US7804288B2Current measuring arrangement of a frequency converterVACON OYJ·Filed 2007·Granted Sep 28, 2010·7 cites·20 claims
- 1162US7035123B2Frequency converter and its control methodSEMIKRON ELEKTRONIK GMBH·Filed 2004·Granted Apr 25, 2006·19 cites·7 claims
- 1259US4566051AInverter protected in respect of the rates of increase of current and voltageKYMI STROMBERG OY·Filed 1983·Granted Jan 21, 1986·14 cites·3 claims
- 1357US10495145B2Active magnetic bearing controllerINGERSOLL RAND CO·Filed 2016·Granted Dec 3, 2019·0 cites·4 claims
- 1457US6807074B2Control of an inverterVACON OYJ·Filed 2003·Granted Oct 19, 2004·13 cites·8 claims
- 1555US11309803B2Power converter for trasmitting power between networksVACON OY·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
- 1646US7275021B2Measuring method and arrangementVACON OYJ·Filed 2005·Granted Sep 25, 2007·2 cites·9 claims
- 1744US7200018B2Charging of a filter capacitor in the intermediate circuit of a frequency converterVACON OYJ·Filed 2004·Granted Apr 3, 2007·5 cites·9 claims
- 1843US7176674B2Measurement of energy by means of a frequency converterVACON OYJ·Filed 2004·Granted Feb 13, 2007·4 cites·6 claims
- 1942US11411399B2Arrangement and method for a power busVACON OY·Filed 2016·Granted Aug 9, 2022·0 cites·21 claims
- 2042US7688603B2Arrangement for monitoring a frequency converterVACON OYJ·Filed 2006·Granted Mar 30, 2010·2 cites·19 claims
- 2142US6885171B2Compensation of reactive power via a frequency converterVACON OYJ·Filed 2003·Granted Apr 26, 2005·4 cites·2 claims
- 2236US7102333B2Control of the mains bridge of a frequency converter to regenerate energy from the motor to the supplyVACON OYJ·Filed 2004·Granted Sep 5, 2006·1 cites·6 claims
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