Inventor · disambiguated record
Masafumi Sakuma
Also filed as: SAKUMA MASAFUMI
32 granted patents·11 pending applications·423 citations·filing 1995–2021
97Inventor score
Top patents by PatentIndex Score
43 records- 0197US7641010B2In-wheel motor with high durabilityTOYOTA MOTOR CO LTD·Filed 2005·Granted Jan 5, 2010·85 cites·3 claims
- 0295US7777387B2Laminated core and method for manufacturing the sameMITSUI HIGH TEC·Filed 2007·Granted Aug 17, 2010·35 cites·16 claims
- 0389US7378774B2Laminated core of rotary electric machineAISIN SEIKI·Filed 2006·Granted May 27, 2008·19 cites·21 claims
- 0488US7958960B2Driving force control apparatus for a vehicle that drives wheel units independentlyTOYOTA MOTOR CO LTD·Filed 2006·Granted Jun 14, 2011·22 cites·7 claims
- 0588US7938212B2In-wheel motor systemAISIN SEIKI·Filed 2009·Granted May 10, 2011·16 cites·16 claims
- 0688US6815859B2Synchronous reluctance motorAISIN SEIKI·Filed 2002·Granted Nov 9, 2004·38 cites·10 claims
- 0787US7928627B2Laminated core and method for manufacturing the sameMITSUI HIGH TEC·Filed 2010·Granted Apr 19, 2011·7 cites·3 claims
- 0885US10749387B2Rotary electric apparatusAISIN SEIKI·Filed 2018·Granted Aug 18, 2020·3 cites·9 claims
- 0984US5973427ACooling device for electric motorAISIN SEIKI·Filed 1998·Granted Oct 26, 1999·57 cites·3 claims
- 1080US8258670B2Motor including supporting portion contacting statorSAKUMA MASAFUMI·Filed 2008·Granted Sep 4, 2012·11 cites·13 claims
- 1179US8471420B2Rotating electrical machine with terminal box and sealing memberISOGAI SHIGETAKA·Filed 2010·Granted Jun 25, 2013·5 cites·3 claims
- 1277US10361599B2Three-phase rotating electrical machineAISIN SEIKI·Filed 2016·Granted Jul 23, 2019·2 cites·11 claims
- 1377US8541917B2Rotary electrical machineSAKUMA MASAFUMI·Filed 2011·Granted Sep 24, 2013·4 cites·10 claims
- 1474US8195348B2Driving power control apparatus for four wheel drive vehicleMIZUTANI RYOJI·Filed 2007·Granted Jun 5, 2012·16 cites·11 claims
- 1571US10784737B2Rotating electrical machine and method for manufacturing sameAISIN SEIKI·Filed 2016·Granted Sep 22, 2020·1 cites·17 claims
- 1671US7279821B2MotorAISIN SEIKI·Filed 2005·Granted Oct 9, 2007·6 cites·19 claims
- 1770US8578904B2Device and method for starting engineSAKUMA MASAFUMI·Filed 2011·Granted Nov 12, 2013·4 cites·7 claims
- 1868US8319382B2Electric motor having wire connection structure and wire connection method for the sameISOGAI SHIGETAKA·Filed 2010·Granted Nov 27, 2012·3 cites·15 claims
- 1966US10122232B2Rotary electric machineAISIN SEIKI·Filed 2016·Granted Nov 6, 2018·1 cites·11 claims
- 2063US8358041B2Electric motor having wire connection structure and wire connection method for the sameAISIN SEIKI·Filed 2010·Granted Jan 22, 2013·2 cites·7 claims
- 2160US9325211B2Wave winding coil for rotary electrical machineAISIN SEIKI·Filed 2012·Granted Apr 26, 2016·1 cites·5 claims
- 2259US7015614B2Synchronous reluctance motorAISIN SEIKI·Filed 2004·Granted Mar 21, 2006·8 cites·17 claims
- 2358US5917263ASwitched reluctance motorAISIN SEIKI·Filed 1997·Granted Jun 29, 1999·23 cites·10 claims
- 2456US7994680B2Motor including electrical sheets having shear droopsAISIN SEIKI·Filed 2009·Granted Aug 9, 2011·1 cites·6 claims
- 2555US5747912ASwitched reluctance motorAISIN SEIKI·Filed 1995·Granted May 5, 1998·24 cites·6 claims
- 2653US11496026B2Stator manufacturing method and statorAISIN CORP·Filed 2019·Granted Nov 8, 2022·0 cites·10 claims
- 2752US2021305868A1Rotary electric machineAISIN SEIKI·Filed 2021·Application pending·0 cites
- 2852US2021305869A1Rotary electric machineAISIN SEIKI·Filed 2021·Application pending·0 cites
- 2952US2021305855A1Rotary electric machineAISIN SEIKI·Filed 2021·Application pending·0 cites
- 3048US5945761ASwitched reluctance motorAISIN SEIKI·Filed 1997·Granted Aug 31, 1999·14 cites·6 claims
- 3147US2010065354A1Driving device for vehicleAISIN SEIKI·Filed 2009·Application pending·0 cites
- 3246US2020028397A1Rotating electrical machineAISIN SEIKI·Filed 2019·Application pending·0 cites
- 3345US10910898B2Rotating electric machineAISIN SEIKI·Filed 2018·Granted Feb 2, 2021·0 cites·9 claims
- 3445US2008024019A1MotorAISIN SEIKI·Filed 2007·Application pending·0 cites
- 3544US6455963B2Electric motorAISIN SEIKI·Filed 2000·Granted Sep 24, 2002·2 cites·7 claims
- 3644US5909071ASwitched reluctance motorAISIN SEIKI·Filed 1997·Granted Jun 1, 1999·13 cites·7 claims
- 3742US11264878B2Rotor for rotary electric machine and method of manufacturing rotary electric machineAISIN CORP·Filed 2017·Granted Mar 1, 2022·0 cites·1 claims
- 3841US11296566B2Rotating electric machineAISIN CORP·Filed 2020·Granted Apr 5, 2022·0 cites·5 claims
- 3941US2019267855A1Rotary electric machineAISIN SEIKI·Filed 2017·Application pending·0 cites
- 4038US2006043806A1Stator and motorAISIN SEIKI·Filed 2005·Application pending·0 cites
- 4138US2005211478A1Descent-restricting deviceAISIN SEIKI KABSHIKI KAISHA·Filed 2005·Application pending·0 cites
- 4237US2006145561A1Three-phase synchronous reluctance motorSAKUMA MASAFUMI·Filed 2004·Application pending·0 cites
- 4331US2018254677A1Permanent magnet motorAISIN SEIKI·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →