Inventor
IWASHITA YASUSUKE
JP123 patents
⚠️ This page may combine multiple inventors who share the name “IWASHITA YASUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FANUC LTD
46 patentsUS5598077AJan 28, 1997
Control apparatus and a control method for a servomotor
FANUC LTD62 citations96
US5157597AOct 20, 1992
Method of detecting oscillation of a servo system and automatically adjusting speed loop gain thereof
FANUC LTD60 citations96
US7657356B2Feb 2, 2010
Controller
FANUC LTD28 citations93
US7498761B2Mar 3, 2009
Motor control method and motor control apparatus
FANUC LTD26 citations93
US7205743B2Apr 17, 2007
Controller for machine effecting end
FANUC LTD23 citations93
US7049775B2May 23, 2006
Servo motor control unit for press-forming machine
FANUC LTD33 citations93
US7030585B2Apr 18, 2006
Controller
FANUC LTD50 citations93
US6163130ADec 19, 2000
Injection molding machine
FANUC LTD25 citations93
US5955863ASep 21, 1999
Electric current control method for a servomotor
FANUC LTD21 citations93
US5936369AAug 10, 1999
Method of estimating disturbance load on servomotor
FANUC LTD29 citations93
US5691616ANov 25, 1997
Fully-closed-loop servomotor control system
FANUC LTD37 citations93
US5654619AAug 5, 1997
Method of feedforward control for servomotor
FANUC LTD42 citations93
US5602347AFeb 11, 1997
Tool life control method based on disturbance load torque of motor
FANUC LTD32 citations93
US5204602AApr 20, 1993
Servomotor control method
FANUC LTD42 citations93
US5107193AApr 21, 1992
Feedforward control apparatus for a servomotor
FANUC LTD45 citations93
US7656106B2Feb 2, 2010
Servo controller
FANUC LTD32 citations92
US5656906AAug 12, 1997
Automatic adjusting method of servo parameters and automatic adjusting apparatus of the same
FANUC LTD39 citations92
US7183739B2Feb 27, 2007
Synchronous control device
FANUC LTD22 citations91
US7084596B2Aug 1, 2006
Servomotor driving controller
FANUC LTD39 citations89
US6211636B1Apr 3, 2001
Pressing machine and motor torque control method in pressing machine
FANUC LTD30 citations89
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
US7845205B2Dec 7, 2010
Die cushion controller
FANUC LTD11 citations84
US7348745B2Mar 25, 2008
Controller
FANUC LTD10 citations84
US7085620B2Aug 1, 2006
Servo controller
FANUC LTD17 citations84
US6566836B2May 20, 2003
Controller for controlling servo motor and spindle motor
FANUC LTD17 citations84
US6057661AMay 2, 2000
Method of detecting an abnormal load on a servomotor and controlling the same in such an abnormal condition
FANUC LTD18 citations84
US5986422ANov 16, 1999
Control mode changing over method for servo control system
FANUC LTD17 citations84
US5734242AMar 31, 1998
Force control method based on disturbance load estimation
FANUC LTD18 citations84
US8054012B2Nov 8, 2011
Motor driving apparatus
FANUC LTD7 citations83
US7868569B2Jan 11, 2011
Motor driving apparatus
FANUC LTD15 citations83
US7847502B2Dec 7, 2010
Device and method for controlling machine tool
FANUC LTD10 citations83
US5877603AMar 2, 1999
Electric current control method for a servomotor
FANUC LTD19 citations83
US7170256B2Jan 30, 2007
Motor control device
FANUC LTD12 citations82
US6177774B1Jan 23, 2001
Motor controller based on PWM system
FANUC LTD17 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
US6879130B2Apr 12, 2005
Controller for induction motor
FANUC LTD8 citations74
US6809493B2Oct 26, 2004
Servo controller
FANUC LTD9 citations74
US6563283B2May 13, 2003
Motor control device
FANUC LTD9 citations74
US6310457B1Oct 30, 2001
Servomotor controller
FANUC LTD12 citations74
US6122998ASep 26, 2000
Force control method for a bar feeder of a lathe
FANUC LTD10 citations74
US6020706AFeb 1, 2000
Method of and apparatus for controlling a servomotor
FANUC LTD11 citations74
US5726545AMar 10, 1998
Current controlling method for servo motor
FANUC LTD10 citations74
US5517100AMay 14, 1996
Method of controlling a servo motor
FANUC LTD17 citations74
IWASHITA YASUSUKE
3 patentsUS8283880B2Oct 9, 2012
Motor drive device with function of switching to power regenerative operation mode
IWASHITA YASUSUKE9 citations83
US8190287B2May 29, 2012
Tool vector display apparatus for a machine tool with rotational axes
IWASHITA YASUSUKE13 citations83
US8143836B2Mar 27, 2012
Motor controller
IWASHITA YASUSUKE8 citations83
FANUC CORP
1 patentShowing the top 50 of 123 patents by PatentIndex Score.