Inventor · disambiguated record
Yasufumi Ikkai
Also filed as: IKKAI YASUFUMI
28 granted patents·2 pending applications·1,474 citations·filing 1992–2006
98Inventor score
Top patents by PatentIndex Score
30 records- 0198US6509665B1Motor having stator with insulator of high heat-conductivityMATSUSHITA ELECTRIC INDUSTIAL·Filed 2000·Granted Jan 21, 2003·176 cites·4 claims
- 0298US6049153AMotorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Apr 11, 2000·185 cites·21 claims
- 0397US6356001B1Electric vehicle using a motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 12, 2002·58 cites·24 claims
- 0494US6369480B1Compressor using a motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 9, 2002·37 cites·15 claims
- 0594US6131057AProtecting device of electromobileMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Oct 10, 2000·105 cites·2 claims
- 0692US6979924B2Compressor using a motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 27, 2005·30 cites·16 claims
- 0792US6759778B2Electric vehicle using a motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 6, 2004·43 cites·5 claims
- 0890US6836045B2Electrical motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 28, 2004·44 cites·27 claims
- 0990US6300700B1MotorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 9, 2001·40 cites·9 claims
- 1090US5283510AMethod for driving three phase stepping motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Feb 1, 1994·65 cites·2 claims
- 1187US6741002B2Motor having a rotor with interior split-permanent-magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 25, 2004·45 cites·2 claims
- 1287US6340857B2Motor having a rotor with interior split-permanent-magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jan 22, 2002·97 cites·9 claims
- 1387US6324038B1Current control apparatus with overcurrent protective function for a motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 27, 2001·53 cites·22 claims
- 1487US5962999AMethod of controlling a torque ripple of a motor having interior permanent magnets and a controller using the same methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 5, 1999·61 cites·14 claims
- 1576US5880570AMethod and apparatus for controlling a synchronous motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 9, 1999·76 cites·9 claims
- 1675US6541939B2Motor controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 1, 2003·40 cites·20 claims
- 1773US7126248B2Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Oct 24, 2006·5 cites·10 claims
- 1873US5757161AApparatus and method for limiting the speed of an electric motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 26, 1998·63 cites·14 claims
- 1973US5504404AMethod and apparatus for controlling motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 2, 1996·54 cites·16 claims
- 2067US5592355AMotor control circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 7, 1997·51 cites·5 claims
- 2163US5923728AMotor controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 13, 1999·46 cites·20 claims
- 2260US7026741B2Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 11, 2006·6 cites·18 claims
- 2360US6580239B1Protecting device of electromobileMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 17, 2003·11 cites·1 claims
- 2456US5321340ADriving method for three-phase stepping motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 14, 1994·17 cites·4 claims
- 2546US5485375AProtecting device of electromobileMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 16, 1996·18 cites·4 claims
- 2645US5444340AControlling apparatus of motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 22, 1995·18 cites·2 claims
- 2740US5730238AControl method of electric carMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 24, 1998·16 cites·6 claims
- 2838US6575257B1Method for controlling vehicle drive motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 10, 2003·14 cites·8 claims
- 2937US2003202298A1Protecting device of electromobileFiled 2003·Application pending·0 cites
- 3036US2008191648A1Closed Loop Control Of Linear Vibration ActuatorITO YOSHITERU·Filed 2003·Application pending·0 cites
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