Inventor · disambiguated record
Tsunehiro Endo
Also filed as: ENDO TSUNEHIRO
49 granted patents·4 pending applications·1,577 citations·filing 1980–2011
99Inventor score
Files withHITACHI LTD41HITACHI IND EQUIPMENT SYS4HITACHI APPLIANCES INC2RENESAS ELECTRONICS CORP2HITACHI CAR ENG CO LTD1
Top patents by PatentIndex Score
53 records- 0196US4880474AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1987·Granted Nov 14, 1989·125 cites·9 claims
- 0295US6690137B2Sensorless control system for synchronous motorHITACHI LTD·Filed 2002·Granted Feb 10, 2004·74 cites·23 claims
- 0394US5243732AVacuum cleaner with fuzzy logic controlHITACHI LTD·Filed 1991·Granted Sep 14, 1993·142 cites·16 claims
- 0493US7619385B2Motor controller, washing machine, air conditioner and electric oil pumpHITACHI LTD·Filed 2006·Granted Nov 17, 2009·30 cites·19 claims
- 0593US6628099B2Synchronous motor driving system and sensorless control method for a synchronous motorHITACHI LTD·Filed 2002·Granted Sep 30, 2003·45 cites·7 claims
- 0692US7471525B2Converter and power converter that becomes it with the converterHITACHI APPLIANCES INC·Filed 2005·Granted Dec 30, 2008·38 cites·3 claims
- 0792US6531843B2Driving system of AC motorHITACHI LTD·Filed 2001·Granted Mar 11, 2003·55 cites·21 claims
- 0892US6111333AMagnetic bearing, rotating machine mounting the same, and method for driving rotating machineHITACHI LTD·Filed 1999·Granted Aug 29, 2000·88 cites·9 claims
- 0991US6642681B2Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatusHITACHI LTD·Filed 2002·Granted Nov 4, 2003·51 cites·12 claims
- 1091US6639377B2Driving device for synchronous motorHITACHI LTD·Filed 2001·Granted Oct 28, 2003·51 cites·13 claims
- 1191US4977508AInternal combustion engine equipped with a torque controllerHITACHI LTD·Filed 1986·Granted Dec 11, 1990·52 cites·15 claims
- 1290US8035330B2Apparatus and method for driving synchronous motorHITACHI LTD·Filed 2010·Granted Oct 11, 2011·8 cites·22 claims
- 1389US7839113B2Apparatus and method for driving synchronous motorHITACHI LTD·Filed 2008·Granted Nov 23, 2010·19 cites·23 claims
- 1488US5475293AMethod for measuring characteristic constants of alternating current motor and controller thereof based on said methodHITACHI LTD·Filed 1993·Granted Dec 12, 1995·60 cites·8 claims
- 1587US7342378B2System and method for driving synchronous motorHITACHI LTD·Filed 2006·Granted Mar 11, 2008·21 cites·11 claims
- 1686US7064514B2Motor drive system for AC motorsHITACHI HOME & LIFE SOLUTIONS·Filed 2004·Granted Jun 20, 2006·35 cites·17 claims
- 1786US6570358B2Control apparatus for alternating-current motorHITACHI LTD·Filed 2001·Granted May 27, 2003·34 cites·7 claims
- 1884US5940272AElectric apparatus having heat radiating finHITACHI LTD·Filed 1997·Granted Aug 17, 1999·59 cites·10 claims
- 1984US5359278AZero current switching circuit and converting apparatus using the sameHITACHI LTD·Filed 1992·Granted Oct 25, 1994·41 cites·7 claims
- 2082US4992715ATorque control apparatus for rotating motor machineHITACHI LTD·Filed 1988·Granted Feb 12, 1991·50 cites·13 claims
- 2180US7521887B2Vector controller for a permanent magnet synchronous motor, inverter module, and permanent magnet synchronous motor constant display systemHITACHI LTD·Filed 2006·Granted Apr 21, 2009·12 cites·13 claims
- 2279US7839663B2Converter and power converter that becomes it with the converterHITACHI APPLIANCES INC·Filed 2008·Granted Nov 23, 2010·13 cites·12 claims
- 2379US7276876B2Synchronous motor driving apparatusHITACHI IND EQUIPMENT SYS·Filed 2005·Granted Oct 2, 2007·12 cites·20 claims
- 2477US6650081B2Synchronous motor driving systemHITACHI LTD·Filed 2002·Granted Nov 18, 2003·20 cites·26 claims
- 2576US7332882B2Motor drive device that combined charge controllerHITACHI LTD·Filed 2006·Granted Feb 19, 2008·14 cites·13 claims
- 2676US4736143ATorque control apparatus for rotary machineHITACHI LTD·Filed 1986·Granted Apr 5, 1988·41 cites·11 claims
- 2775US5294872AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1990·Granted Mar 15, 1994·25 cites·7 claims
- 2874US6657413B2Driving equipment for synchronous motorsHITACHI LTD·Filed 2001·Granted Dec 2, 2003·21 cites·6 claims
- 2973US5351182ALevel shift circuit and inverter apparatus using the sameHITACHI LTD·Filed 1993·Granted Sep 27, 1994·26 cites·7 claims
- 3072US7944720B2Semiconductor integrated circuit, PWM signal output device, and power conversion control apparatusRENESAS ELECTRONICS CORP·Filed 2008·Granted May 17, 2011·5 cites·14 claims
- 3172US5166585AMotor control apparatus for an electric vacuum cleanerHITACHI LTD·Filed 1991·Granted Nov 24, 1992·28 cites·33 claims
- 3271US7388341B2Control system for permanent magnet synchronous motor and moduleHITACHI LTD·Filed 2005·Granted Jun 17, 2008·8 cites·14 claims
- 3371US4983895AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1989·Granted Jan 8, 1991·25 cites·2 claims
- 3471US4340931APower supply systemHITACHI LTD·Filed 1980·Granted Jul 20, 1982·25 cites·8 claims
- 3566US7528568B2Vector controller for permanent magnet synchronous motorHITACHI LTD·Filed 2006·Granted May 5, 2009·6 cites·14 claims
- 3665US6954050B2Control method and control device of permanent-magnet type synchronous motorHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Oct 11, 2005·14 cites·20 claims
- 3765US5574352AFrequency control method for inverter and apparatus thereforHITACHI LTD·Filed 1994·Granted Nov 12, 1996·23 cites·14 claims
- 3864US7443120B2Field weakening vector controller for permanent magnet synchronous motor and control moduleHITACHI LTD·Filed 2006·Granted Oct 28, 2008·5 cites·12 claims
- 3964US6938713B1Dynamotor of hybrid vehicle, and method of control thereofHITACHI CAR ENG CO LTD·Filed 1999·Granted Sep 6, 2005·47 cites·21 claims
- 4064US5949663AInverter apparatus capable of readily modification of the specification and performance thereofHITACHI LTD·Filed 1998·Granted Sep 7, 1999·31 cites·20 claims
- 4161US7030589B2Driving systems of AC motorHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Apr 18, 2006·11 cites·20 claims
- 4259US7602138B2Driving apparatus and driving system for electric motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Oct 13, 2009·4 cites·5 claims
- 4358US5050057APower source apparatusHITACHI LTD·Filed 1989·Granted Sep 17, 1991·19 cites·16 claims
- 4457US6058036AInverter apparatus having operation specifications determined by type of I/O block which is connected to basic control unitHITACHI LTD·Filed 1997·Granted May 2, 2000·27 cites·12 claims
- 4551US7821223B2Vector controller for a permanent magnet motor and inverter moduleHITACHI LTD·Filed 2007·Granted Oct 26, 2010·2 cites·16 claims
- 4651US5075607AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1990·Granted Dec 24, 1991·10 cites·8 claims
- 4749US7148651B2Apparatus and method for controlling AC motor and module thereforHITACHI LTD·Filed 2004·Granted Dec 12, 2006·8 cites·6 claims
- 4848US7199547B2Apparatus, method or system for controlling mobile bodyHITACHI LTD·Filed 2001·Granted Apr 3, 2007·6 cites·16 claims
- 4948US2011182096A1Semiconductor integrated circuit, pwm signal output device, and power conversion control apparatusRENESAS ELECTRONICS CORP·Filed 2011·Application pending·0 cites
- 5040US5300872AMethod and apparatus for control of inverterHITACHI LTD·Filed 1992·Granted Apr 5, 1994·11 cites·24 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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