Inventor · disambiguated record
Tadashi Okita
Also filed as: OKITA TADASHI
118 granted patents·16 pending applications·637 citations·filing 1992–2020
99Inventor score
Top patents by PatentIndex Score
134 records- 0198US8049457B2Press machine controllerFANUC LTD·Filed 2010·Granted Nov 1, 2011·31 cites·8 claims
- 0297US7049775B2Servo motor control unit for press-forming machineFANUC LTD·Filed 2005·Granted May 23, 2006·33 cites·14 claims
- 0395US8030878B2Motor driving device having power failure detection functionFANUC CORP·Filed 2010·Granted Oct 4, 2011·17 cites·2 claims
- 0492US9581989B2Control device of machine tool which estimates overheating of motorFANUC CORP·Filed 2015·Granted Feb 28, 2017·5 cites·3 claims
- 0592US7657356B2ControllerFANUC LTD·Filed 2005·Granted Feb 2, 2010·28 cites·12 claims
- 0690US8190287B2Tool vector display apparatus for a machine tool with rotational axesIWASHITA YASUSUKE·Filed 2010·Granted May 29, 2012·13 cites·6 claims
- 0789US9812947B2Motor control device having life prediction unit of smoothing capacitorFANUC CORP·Filed 2016·Granted Nov 7, 2017·4 cites·5 claims
- 0889US8010302B2Tool path display apparatus for machine toolFANUC LTD·Filed 2010·Granted Aug 30, 2011·11 cites·7 claims
- 0988US10209700B2Machine tool controller having function of changing operation according to motor temperature and amplifier temperatureFANUC CORP·Filed 2016·Granted Feb 19, 2019·3 cites·9 claims
- 1084US10955813B2Control apparatus for tappingFANUC CORP·Filed 2019·Granted Mar 23, 2021·2 cites·4 claims
- 1184US9755566B2Controller and control method for machine tool capable of changing motion depending on motor temperatureFANUC CORP·Filed 2014·Granted Sep 5, 2017·5 cites·10 claims
- 1284US9092027B2Control apparatus of machine tool including feed shaft motor and main spindle motorFANUC CORP·Filed 2013·Granted Jul 28, 2015·6 cites·14 claims
- 1384US8232758B2Controller of electric motor having function of estimating inertia and friction simultaneouslyOKITA TADASHI·Filed 2010·Granted Jul 31, 2012·7 cites·10 claims
- 1484US8018192B23D-trajectory display device for machine toolFANUC LTD·Filed 2010·Granted Sep 13, 2011·7 cites·5 claims
- 1584US7902780B2Inertia estimating controller and control systemFANUC LTD·Filed 2009·Granted Mar 8, 2011·13 cites·7 claims
- 1684US7187148B2ControllerFANUC LTD·Filed 2005·Granted Mar 6, 2007·14 cites·21 claims
- 1783US10539931B2Time-series data analysis deviceFANUC CORP·Filed 2019·Granted Jan 21, 2020·2 cites·5 claims
- 1883US9377773B2Motor controller for performing correction when direction of rotation is reversedFANUC CORP·Filed 2015·Granted Jun 28, 2016·3 cites·2 claims
- 1983US8098038B2Servomotor control system enabling high-speed oscillating motion to be highly preciseOKITA TADASHI·Filed 2010·Granted Jan 17, 2012·6 cites·6 claims
- 2083US5598077AControl apparatus and a control method for a servomotorFANUC LTD·Filed 1994·Granted Jan 28, 1997·62 cites·9 claims
- 2182US8884571B2Motor control apparatus which limits torque command according to input current or powerFANUC CORP·Filed 2012·Granted Nov 11, 2014·5 cites·4 claims
- 2282US8698442B2Motor drive control device for limiting output of motorFANUC CORP·Filed 2013·Granted Apr 15, 2014·5 cites·3 claims
- 2382US8664897B2Motor drive apparatus having power failure detection unit for determining presence or absence of power failureIWASHITA YASUSUKE·Filed 2012·Granted Mar 4, 2014·5 cites·4 claims
- 2481US7915848B2Servo control apparatus that performs dual-position feedback controlFANUC LTD·Filed 2010·Granted Mar 29, 2011·5 cites·3 claims
- 2581US7845205B2Die cushion controllerFANUC LTD·Filed 2006·Granted Dec 7, 2010·11 cites·5 claims
- 2680US8305016B2Control device with learning function for electric motorsOKITA TADASHI·Filed 2008·Granted Nov 6, 2012·10 cites·9 claims
- 2780US7808199B2Control apparatusFANUC LTD·Filed 2008·Granted Oct 5, 2010·10 cites·10 claims
- 2880US7506530B2Die cushion mechanism, and device and method for controlling the sameFANUC LTD·Filed 2006·Granted Mar 24, 2009·6 cites·19 claims
- 2980US7348745B2ControllerFANUC LTD·Filed 2006·Granted Mar 25, 2008·10 cites·4 claims
- 3079US10359761B2Device and method of controlling machine tool, to control synchronized operation of spindle axis and feed axisFANUC CORP·Filed 2017·Granted Jul 23, 2019·2 cites·8 claims
- 3179US7847502B2Device and method for controlling machine toolFANUC LTD·Filed 2008·Granted Dec 7, 2010·10 cites·8 claims
- 3278US8054015B2Motor drive apparatus equipped with dynamic braking circuit fault detection capabilityFANUC LTD·Filed 2008·Granted Nov 8, 2011·11 cites·4 claims
- 3377US8058827B2Motor control apparatus having a function to calculate amount of cogging torque compensationIWASHITA YASUSUKE·Filed 2010·Granted Nov 15, 2011·4 cites·3 claims
- 3477US7685860B2Control device for press machineFANUC LTD·Filed 2006·Granted Mar 30, 2010·5 cites·8 claims
- 3577US7360391B2Control device for servo die cushionFANUC LTD·Filed 2006·Granted Apr 22, 2008·8 cites·8 claims
- 3677US7293447B2Control device for die cushion mechanismFANUC LTD·Filed 2005·Granted Nov 13, 2007·8 cites·3 claims
- 3777US7170256B2Motor control deviceFANUC LTD·Filed 2005·Granted Jan 30, 2007·12 cites·19 claims
- 3876US10615734B2Parameter determination supporting deviceFANUC CORP·Filed 2018·Granted Apr 7, 2020·1 cites·7 claims
- 3975US11003162B2Data collection deviceFANUC CORP·Filed 2018·Granted May 11, 2021·1 cites·8 claims
- 4075US10444729B2Monitoring device, machine tool, and monitoring systemFANUC CORP·Filed 2018·Granted Oct 15, 2019·1 cites·3 claims
- 4175US9008821B2Servo control system capable of improving processing accuracyOKITA TADASHI·Filed 2011·Granted Apr 14, 2015·3 cites·6 claims
- 4274US8432120B2Tool path display apparatus with deceleration factor identification means for machine toolIWASHITA YASUSUKE·Filed 2011·Granted Apr 30, 2013·3 cites·3 claims
- 4374US7461530B2Die cushion mechanism, and apparatus and method for controlling the sameFANUC LTD·Filed 2005·Granted Dec 9, 2008·4 cites·19 claims
- 4474US7392684B2Control system for servo die cushionFANUC LTD·Filed 2006·Granted Jul 1, 2008·7 cites·8 claims
- 4573US9136781B2Synchronous control unit for synchronizing two shafts with each otherFANUC CORP·Filed 2014·Granted Sep 15, 2015·2 cites·6 claims
- 4673US8067918B2Servomotor controller for controlling periodic reciprocationOKITA TADASHI·Filed 2010·Granted Nov 29, 2011·3 cites·6 claims
- 4773US6566836B2Controller for controlling servo motor and spindle motorFANUC LTD·Filed 2001·Granted May 20, 2003·17 cites·6 claims
- 4872US7531981B2Controller for servomotorFANUC LTD·Filed 2007·Granted May 12, 2009·6 cites·8 claims
- 4971US11341151B2Information collection device and information collection methodFANUC CORP·Filed 2020·Granted May 24, 2022·0 cites·9 claims
- 5071US5602347ATool life control method based on disturbance load torque of motorFANUC LTD·Filed 1994·Granted Feb 11, 1997·32 cites·6 claims
Showing the top 50 of 134 patent records by PatentIndex Score.
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