Inventor
NASHIKI MASAYUKI
JP60 patents
⚠️ This page may combine multiple inventors who share the name “NASHIKI MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKUMA MACHINERY WORKS LTD
34 patentsUS5359872ANov 1, 1994
Method and apparatus for sheet-metal processing
OKUMA MACHINERY WORKS LTD161 citations99
US6285104B1Sep 4, 2001
Motor with reduced torque ripple
OKUMA MACHINERY WORKS LTD89 citations98
US5469215ANov 21, 1995
Method and apparatus for controlling an electric motor with compensation or torque ripple
OKUMA MACHINERY WORKS LTD117 citations98
US6252325B1Jun 26, 2001
Switched reluctance motor
OKUMA MACHINERY WORKS LTD52 citations96
US6211593B1Apr 3, 2001
Synchronous motor with permanent magnet provided on magnetic pole end
OKUMA MACHINERY WORKS LTD81 citations96
US6144132ANov 7, 2000
Permanent magnet motor
OKUMA MACHINERY WORKS LTD56 citations96
US6121706ASep 19, 2000
Reluctance motor
OKUMA MACHINERY WORKS LTD103 citations96
US5801478ASep 1, 1998
Reluctance type synchronous motor
OKUMA MACHINERY WORKS LTD62 citations96
US4433261AFeb 21, 1984
Rotor for permanent magnet type synchronous motors
OKUMA MACHINERY WORKS LTD193 citations96
US5903080AMay 11, 1999
Reluctance type synchronous motor
OKUMA MACHINERY WORKS LTD86 citations95
US6194804B1Feb 27, 2001
Switched reluctance motor having substantially continuous torque and reduced torque ripple
OKUMA MACHINERY WORKS LTD19 citations93
US6081083AJun 27, 2000
Switched reluctance motor
OKUMA MACHINERY WORKS LTD27 citations93
US6025659AFeb 15, 2000
Synchronous motor with movable part having permanent magnets
OKUMA MACHINERY WORKS LTD36 citations93
US6013962AJan 11, 2000
Permanent magnet motor with specific magnets and magnetic circuit arrangement
OKUMA MACHINERY WORKS LTD21 citations93
US5066899ANov 19, 1991
Control method of induction motor and device therefor
OKUMA MACHINERY WORKS LTD26 citations93
US4743825AMay 10, 1988
Synchronous motors and a control system thereof
OKUMA MACHINERY WORKS LTD29 citations93
US6772619B2Aug 10, 2004
Measuring apparatus and method for correcting errors in a machine
OKUMA MACHINERY WORKS LTD29 citations92
US5047702ASep 10, 1991
Synchronous control method and apparatus therefor
OKUMA MACHINERY WORKS LTD25 citations92
US6208108B1Mar 27, 2001
Controller for reluctance type synchronous motor
OKUMA MACHINERY WORKS LTD22 citations91
US5105135AApr 14, 1992
Feedback controller for NC controlled machine tools
OKUMA MACHINERY WORKS LTD30 citations86
US5039900AAug 13, 1991
Braking device for a rotary motor including a compression spring and piezoelectric element
OKUMA MACHINERY WORKS LTD28 citations86
US5793139AAug 11, 1998
Electric motor having stator's salient poles of the stator slightly shifted from salient poles of the rotor
OKUMA MACHINERY WORKS LTD17 citations84
US5256951AOct 26, 1993
Numerical control apparatus having function for changing control parameters
OKUMA MACHINERY WORKS LTD19 citations82
US5820272AOct 13, 1998
Bearing structure for a rotating shaft
OKUMA MACHINERY WORKS LTD19 citations77
US5737069AApr 7, 1998
Position detecting apparatus of optical interferometry
OKUMA MACHINERY WORKS LTD7 citations74
US5659233AAug 19, 1997
Controller for controlling motor transferring power between a plurality of power sources
OKUMA MACHINERY WORKS LTD10 citations74
US6203254B1Mar 20, 2001
Parallel mechanism machining device
OKUMA MACHINERY WORKS LTD9 citations73
US5260769ANov 9, 1993
Position detector
OKUMA MACHINERY WORKS LTD17 citations73
US5055760AOct 8, 1991
Linear actuator drive control apparatus
OKUMA MACHINERY WORKS LTD17 citations73
US5936372AAug 10, 1999
Control device for a reluctance type synchronous motor
OKUMA MACHINERY WORKS LTD8 citations72
US5896019AApr 20, 1999
Motor control device
OKUMA MACHINERY WORKS LTD7 citations72
US5097161AMar 17, 1992
Linear actuator
OKUMA MACHINERY WORKS LTD16 citations70
US4983900AJan 8, 1991
Linear encoder with plural detectors for use with one or more main scales
OKUMA MACHINERY WORKS LTD16 citations69
US5392217AFeb 21, 1995
Apparatus and method for controlling acceleration and deceleration for numerically controlled machine
OKUMA MACHINERY WORKS LTD2 citations63
DENSO CORP
9 patentsUS7911107B2Mar 22, 2011
AC electric motor
DENSO CORP24 citations93
US7816822B2Oct 19, 2010
Motor and control unit thereof
DENSO CORP35 citations93
US7772790B2Aug 10, 2010
System and method for controlling motor using parameter associated with magnetic flux
DENSO CORP43 citations93
US7105974B2Sep 12, 2006
AC motor having stator windings formed as loop coils, and control apparatus for the motor
DENSO CORP31 citations93
US7291945B2Nov 6, 2007
AC motor and control device therefor
DENSO CORP16 citations84
US7781931B2Aug 24, 2010
Switched reluctance motor
DENSO CORP12 citations83
US7508108B2Mar 24, 2009
AC motor
DENSO CORP7 citations73
US7569962B2Aug 4, 2009
Multi-phase brushless motor with reduced number of stator poles
DENSO CORP3 citations63
US7598633B2Oct 6, 2009
AC motor designed to ensure high efficiency in operation
DENSO CORP4 citations62
NASHIKI MASAYUKI
7 patentsUS8847522B2Sep 30, 2014
Reluctance motor with improved stator structure
NASHIKI MASAYUKI27 citations92
US8704472B2Apr 22, 2014
Brushless electric motor provided with rotor having intermediate magnetic pole
NASHIKI MASAYUKI10 citations84
US8120215B2Feb 21, 2012
Motor and control unit thereof
NASHIKI MASAYUKI12 citations84
US8203246B2Jun 19, 2012
Five-phase motor with improved stator structure
NASHIKI MASAYUKI15 citations82
US11923727B2Mar 5, 2024
Motor and control device therefor
NASHIKI MASAYUKI2 citations73
US11863018B2Jan 2, 2024
Reluctance motor
NASHIKI MASAYUKI2 citations73
US8922153B2Dec 30, 2014
Full-pitch windings switched reluctance motor
NASHIKI MASAYUKI6 citations73
Showing the top 50 of 60 patents by PatentIndex Score.