Inventor
OKITA TADASHI
JP118 patents
⚠️ This page may combine multiple inventors who share the name “OKITA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FANUC LTD
29 patentsUS5598077AJan 28, 1997
Control apparatus and a control method for a servomotor
FANUC LTD62 citations96
US7657356B2Feb 2, 2010
Controller
FANUC LTD28 citations93
US7049775B2May 23, 2006
Servo motor control unit for press-forming machine
FANUC LTD33 citations93
US5602347AFeb 11, 1997
Tool life control method based on disturbance load torque of motor
FANUC LTD32 citations93
US8049457B2Nov 1, 2011
Press machine controller
FANUC LTD31 citations92
US5656906AAug 12, 1997
Automatic adjusting method of servo parameters and automatic adjusting apparatus of the same
FANUC LTD39 citations92
US8054015B2Nov 8, 2011
Motor drive apparatus equipped with dynamic braking circuit fault detection capability
FANUC LTD11 citations84
US8018192B2Sep 13, 2011
3D-trajectory display device for machine tool
FANUC LTD7 citations84
US8010302B2Aug 30, 2011
Tool path display apparatus for machine tool
FANUC LTD11 citations84
US7902780B2Mar 8, 2011
Inertia estimating controller and control system
FANUC LTD13 citations84
US7845205B2Dec 7, 2010
Die cushion controller
FANUC LTD11 citations84
US7808199B2Oct 5, 2010
Control apparatus
FANUC LTD10 citations84
US7348745B2Mar 25, 2008
Controller
FANUC LTD10 citations84
US7187148B2Mar 6, 2007
Controller
FANUC LTD14 citations84
US6566836B2May 20, 2003
Controller for controlling servo motor and spindle motor
FANUC LTD17 citations84
US5986422ANov 16, 1999
Control mode changing over method for servo control system
FANUC LTD17 citations84
US7847502B2Dec 7, 2010
Device and method for controlling machine tool
FANUC LTD10 citations83
US7170256B2Jan 30, 2007
Motor control device
FANUC LTD12 citations82
US7392684B2Jul 1, 2008
Control system for servo die cushion
FANUC LTD7 citations74
US7360391B2Apr 22, 2008
Control device for servo die cushion
FANUC LTD8 citations74
US7293447B2Nov 13, 2007
Control device for die cushion mechanism
FANUC LTD8 citations74
US6310457B1Oct 30, 2001
Servomotor controller
FANUC LTD12 citations74
US5517100AMay 14, 1996
Method of controlling a servo motor
FANUC LTD17 citations74
US5374882ADec 20, 1994
Method of controlling servomotor
FANUC LTD9 citations74
US8018747B2Sep 13, 2011
PWM rectifier
FANUC LTD4 citations63
US8006538B2Aug 30, 2011
Control device for servo die cushion
FANUC LTD2 citations63
US7923956B2Apr 12, 2011
Control device for servo die cushion
FANUC LTD2 citations63
US7915848B2Mar 29, 2011
Servo control apparatus that performs dual-position feedback control
FANUC LTD5 citations63
US7791305B2Sep 7, 2010
Control apparatus of servo motor
FANUC LTD4 citations63
FANUC CORP
14 patentsUS8030878B2Oct 4, 2011
Motor driving device having power failure detection function
FANUC CORP17 citations84
US10955813B2Mar 23, 2021
Control apparatus for tapping
FANUC CORP2 citations73
US10539931B2Jan 21, 2020
Time-series data analysis device
FANUC CORP2 citations73
US10209700B2Feb 19, 2019
Machine tool controller having function of changing operation according to motor temperature and amplifier temperature
FANUC CORP3 citations73
US9812947B2Nov 7, 2017
Motor control device having life prediction unit of smoothing capacitor
FANUC CORP4 citations73
US9755566B2Sep 5, 2017
Controller and control method for machine tool capable of changing motion depending on motor temperature
FANUC CORP5 citations73
US9581989B2Feb 28, 2017
Control device of machine tool which estimates overheating of motor
FANUC CORP5 citations73
US9092027B2Jul 28, 2015
Control apparatus of machine tool including feed shaft motor and main spindle motor
FANUC CORP6 citations73
US8884571B2Nov 11, 2014
Motor control apparatus which limits torque command according to input current or power
FANUC CORP5 citations73
US8698442B2Apr 15, 2014
Motor drive control device for limiting output of motor
FANUC CORP5 citations73
US9377773B2Jun 28, 2016
Motor controller for performing correction when direction of rotation is reversed
FANUC CORP3 citations72
US11341151B2May 24, 2022
Information collection device and information collection method
FANUC CORP0 citations63
US11307563B2Apr 19, 2022
Observation apparatus, observation method and observation program
FANUC CORP0 citations63
US9136781B2Sep 15, 2015
Synchronous control unit for synchronizing two shafts with each other
FANUC CORP2 citations63
IWASHITA YASUSUKE
4 patentsUS8190287B2May 29, 2012
Tool vector display apparatus for a machine tool with rotational axes
IWASHITA YASUSUKE13 citations83
US8664897B2Mar 4, 2014
Motor drive apparatus having power failure detection unit for determining presence or absence of power failure
IWASHITA YASUSUKE5 citations73
US8432120B2Apr 30, 2013
Tool path display apparatus with deceleration factor identification means for machine tool
IWASHITA YASUSUKE3 citations63
US8278849B2Oct 2, 2012
Controller for calculating electric power consumption of industrial machine
IWASHITA YASUSUKE2 citations63
OKITA TADASHI
3 patentsUS8305016B2Nov 6, 2012
Control device with learning function for electric motors
OKITA TADASHI10 citations84
US8232758B2Jul 31, 2012
Controller of electric motor having function of estimating inertia and friction simultaneously
OKITA TADASHI7 citations84
US8098038B2Jan 17, 2012
Servomotor control system enabling high-speed oscillating motion to be highly precise
OKITA TADASHI6 citations73
Showing the top 50 of 118 patents by PatentIndex Score.