Inventor · disambiguated record
Kazuto Sakai
Also filed as: SAKAI KAZUTO
33 granted patents·1 pending application·1,172 citations·filing 1993–2018
98Inventor score
Top patents by PatentIndex Score
34 records- 0198US8884576B2Variable-flux motor drive systemTOSHIBA KK·Filed 2013·Granted Nov 11, 2014·21 cites·5 claims
- 0298US8552678B2Variable-flux motor drive systemYUUKI KAZUAKI·Filed 2012·Granted Oct 8, 2013·45 cites·12 claims
- 0398US6794784B2Permanent magnet reluctance motor with embedded permanent magnet holesTOSHIBA KK·Filed 2001·Granted Sep 21, 2004·140 cites·11 claims
- 0497US8179068B2Variable-flux motor drive systemYUUKI KAZUAKI·Filed 2007·Granted May 15, 2012·40 cites·24 claims
- 0597US6342745B1Reluctance type rotating machine with permanent magnetsTOSHIBA KK·Filed 2000·Granted Jan 29, 2002·88 cites·8 claims
- 0696US5619087AAxial-gap rotary-electric machineTOSHIBA KK·Filed 1993·Granted Apr 8, 1997·121 cites·20 claims
- 0795US7705503B2Rotating electrical machineTOSHIBA KK·Filed 2006·Granted Apr 27, 2010·34 cites·3 claims
- 0895US6087751AReluctance type rotating machine with permanent magnetsTOSHIBA KK·Filed 1998·Granted Jul 11, 2000·106 cites·56 claims
- 0994US6329734B1Permanent magnet and reluctance type rotating machineTOSHIBA KK·Filed 2000·Granted Dec 11, 2001·68 cites·26 claims
- 1093US8044548B2Permanent-magnet-type rotating electrical machineTOSHIBA KK·Filed 2006·Granted Oct 25, 2011·26 cites·18 claims
- 1193US6274960B1Reluctance type rotating machine with permanent magnetsTOSHIBA KK·Filed 1999·Granted Aug 14, 2001·76 cites·16 claims
- 1292US8330404B2Permanent-magnet-type rotating electrical machineSAKAI KAZUTO·Filed 2009·Granted Dec 11, 2012·25 cites·5 claims
- 1392US6552462B2Reluctance type rotating machine with permanent magnetsTOSHIBA KK·Filed 2001·Granted Apr 22, 2003·43 cites·14 claims
- 1489US8362668B2Rotor for rotating electrical machineTOSHIBA KK·Filed 2008·Granted Jan 29, 2013·17 cites·6 claims
- 1588US8030817B2Rotor of permanent-magnet-type rotating electrical machineTOSHIBA KK·Filed 2007·Granted Oct 4, 2011·16 cites·23 claims
- 1688US6803692B2Permanent magnet type electric motorTOSHIBA KK·Filed 2002·Granted Oct 12, 2004·38 cites·11 claims
- 1788US6268677B1Rotor for permanent magnet type rotating machineTOSHIBA KK·Filed 2000·Granted Jul 31, 2001·44 cites·13 claims
- 1886US8653710B2Permanent magnet electric motorTAKAHASHI NORIO·Filed 2009·Granted Feb 18, 2014·15 cites·18 claims
- 1985US8269390B2Permanent-magnet-type rotating electrical machine and permanent magnet motor drive systemSAKAI KAZUTO·Filed 2009·Granted Sep 18, 2012·13 cites·8 claims
- 2084US8334667B2Permanent magnet rotating electrical machine and permanent magnet motor drive systemSAKAI KAZUTO·Filed 2007·Granted Dec 18, 2012·14 cites·9 claims
- 2184US6265801B1Permanent magnet type electrical rotating machineTOSHIBA KK·Filed 1999·Granted Jul 24, 2001·54 cites·18 claims
- 2283US5808392APermanent magnet type rotating machineTOSHIBA KK·Filed 1995·Granted Sep 15, 1998·64 cites·67 claims
- 2382US9373992B2Permanent magnet electric motorTOSHIBA KK·Filed 2014·Granted Jun 21, 2016·3 cites·1 claims
- 2482US8860356B2Variable magnetic flux motor drive systemYUUKI KAZUAKI·Filed 2008·Granted Oct 14, 2014·20 cites·16 claims
- 2582US8796898B2Permanent magnet electric motorHASHIBA YUTAKA·Filed 2009·Granted Aug 5, 2014·10 cites·29 claims
- 2682US7804216B2Permanent-magnet reluctance electrical rotary machineTOSHIBA KK·Filed 2007·Granted Sep 28, 2010·11 cites·4 claims
- 2779US8624457B2Permanent magnet electric motorSAKAI KAZUTO·Filed 2009·Granted Jan 7, 2014·9 cites·17 claims
- 2877US9680406B2Variable-flux motor drive systemTOSHIBA KK·Filed 2014·Granted Jun 13, 2017·2 cites·2 claims
- 2976US9496774B2Permanent magnet electric motorTOSHIBA KK·Filed 2014·Granted Nov 15, 2016·2 cites·9 claims
- 3076US9490684B2Permanent magnet electric motorTOSHIBA KK·Filed 2014·Granted Nov 8, 2016·2 cites·3 claims
- 3165US8674575B2Permanent magnet electric motor inducing short circuit current in short circuit coilSAKAI KAZUTO·Filed 2009·Granted Mar 18, 2014·4 cites·7 claims
- 3263US8569921B2Permanent-magnet type electric rotating machineSAKAI KAZUTO·Filed 2012·Granted Oct 29, 2013·1 cites·6 claims
- 3357US11050373B2Rotary electric systemTOSHIBA IND PRODUCTS & SYSTEMS CORP·Filed 2018·Granted Jun 29, 2021·0 cites·11 claims
- 3444US2009261679A1Rotating electrical machineTOSHIBA KK·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →