Inventor · disambiguated record
Masahiko Sakamaki
Also filed as: SAKAMAKI MASAHIKO
26 granted patents·8 pending applications·372 citations·filing 1997–2022
96Inventor score
Top patents by PatentIndex Score
34 records- 0195US7604088B2Electric power steering systemJTEKT CORP·Filed 2005·Granted Oct 20, 2009·53 cites·3 claims
- 0293US7298109B2Electric power steering apparatus, and method for detecting abnormality of angle detector thereofJTEKT CORP·Filed 2006·Granted Nov 20, 2007·33 cites·12 claims
- 0387US6504336B2Motor controller for electric power steering systemKOYO SEIKO CO·Filed 2000·Granted Jan 7, 2003·41 cites·8 claims
- 0484US6883637B2Electric power steering device and control method utilized for controlling said electric power steering deviceKOYO SEIKO CO·Filed 2003·Granted Apr 26, 2005·33 cites·20 claims
- 0583US7240761B2Electric power steering apparatusKOYO SEIKO CO·Filed 2004·Granted Jul 10, 2007·32 cites·13 claims
- 0682US10272941B2Vehicle steering deviceJTEKT CORP·Filed 2016·Granted Apr 30, 2019·5 cites·3 claims
- 0780US6892588B2Torque sensorKOYO SEIKO CO·Filed 2003·Granted May 17, 2005·23 cites·16 claims
- 0878US7040450B2Power-assisted steering systemKOYO SEIKO CO·Filed 2004·Granted May 9, 2006·25 cites·22 claims
- 0972US9211907B2Solenoid valve device, hydraulic apparatus equipped with the solenoid valve device, and hydraulic power steering system equipped with the hydraulic apparatusKUBO RYOUICHI·Filed 2012·Granted Dec 15, 2015·7 cites·10 claims
- 1069US8055410B2Electric power steering systemJTEKT CORP·Filed 2006·Granted Nov 8, 2011·7 cites·7 claims
- 1168US7226069B2Power-assisted steering system and difference compensating method for current detectorKOYO SEIKO CO·Filed 2004·Granted Jun 5, 2007·15 cites·6 claims
- 1266US8584791B2Hydraulic power steering apparatusSAKAMAKI MASAHIKO·Filed 2011·Granted Nov 19, 2013·6 cites·17 claims
- 1365US6366842B1Power steering apparatusKOYO SEIKO CO·Filed 1997·Granted Apr 2, 2002·29 cites·4 claims
- 1464US7711463B2Electric power steering systemJTEKT CORP·Filed 2005·Granted May 4, 2010·6 cites·3 claims
- 1558US6244372B1Power steering apparatusKOYO SEIKO CO·Filed 1999·Granted Jun 12, 2001·22 cites·5 claims
- 1656US8813902B2Hydraulic power steering systemJTEKT CORP·Filed 2012·Granted Aug 26, 2014·2 cites·4 claims
- 1755US12409880B2Steering systemJTEKT CORP·Filed 2022·Granted Sep 9, 2025·0 cites·5 claims
- 1848US2014151145A1Two-phase motor and hydraulic power steering system using the two-phase motorJTEKT CORP·Filed 2013·Application pending·0 cites
- 1947US6144909APower steering system with hydraulic pump motor speed controlKOYO SEIKO CO·Filed 1997·Granted Nov 7, 2000·14 cites·8 claims
- 2047US2009114471A1Electric power steering systemJTEKT CORP·Filed 2006·Application pending·0 cites
- 2143US6131059ASteering angle middle point detecting device and power steering apparatusKOYO SEIKO CO·Filed 1999·Granted Oct 10, 2000·12 cites·16 claims
- 2241US8733493B2Hydraulic power steering systemJTEKT CORP·Filed 2012·Granted May 27, 2014·0 cites·6 claims
- 2340US10343710B2Vehicle steering systemJTEKT CORP·Filed 2017·Granted Jul 9, 2019·0 cites·7 claims
- 2439US8930077B2Hydraulic power steering systemJTEKT CORP·Filed 2012·Granted Jan 6, 2015·0 cites·3 claims
- 2539US2007118262A1Eletric power steering systemNISHIZAKI KATSUTOSHI·Filed 2004·Application pending·0 cites
- 2638US2018244304A1Steering system and steering sensor systemJTEKT CORP·Filed 2018·Application pending·0 cites
- 2738US2009069980A1Electric Power Steering SystemSAKAMAKI MASAHIKO·Filed 2006·Application pending·0 cites
- 2837US2013118826A1Power steering systemJTEKT CORP·Filed 2012·Application pending·0 cites
- 2937US2018037254A1Vehicle Steering SystemJTEKT CORP·Filed 2017·Application pending·0 cites
- 3036US9162704B2PID control systemJTEKT CORP·Filed 2013·Granted Oct 20, 2015·0 cites·2 claims
- 3136US8783408B2Hydraulic power steering systemSAKAMAKI MASAHIKO·Filed 2012·Granted Jul 22, 2014·0 cites·2 claims
- 3236US6250417B1Power steering apparatusKOYO SEIKO CO·Filed 1999·Granted Jun 26, 2001·7 cites·6 claims
- 3336US2007055425A1Electric power steering systemOYA TOSHIAKI·Filed 2004·Application pending·0 cites
- 3432US9038763B2Hydraulic power steering systemKUBO RYOUICHI·Filed 2011·Granted May 26, 2015·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →