Inventor
IKKAI YASUFUMI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “IKKAI YASUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
27 patentsUS6049153AApr 11, 2000
Motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD185 citations99
US6340857B2Jan 22, 2002
Motor having a rotor with interior split-permanent-magnet
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD97 citations98
US6131057AOct 10, 2000
Protecting device of electromobile
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD105 citations98
US6979924B2Dec 27, 2005
Compressor using a motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations96
US6759778B2Jul 6, 2004
Electric vehicle using a motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations96
US6741002B2May 25, 2004
Motor having a rotor with interior split-permanent-magnet
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations96
US6369480B1Apr 9, 2002
Compressor using a motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations96
US6356001B1Mar 12, 2002
Electric vehicle using a motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US6300700B1Oct 9, 2001
Motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations96
US5962999AOct 5, 1999
Method of controlling a torque ripple of a motor having interior permanent magnets and a controller using the same method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61 citations96
US5880570AMar 9, 1999
Method and apparatus for controlling a synchronous motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD76 citations96
US5757161AMay 26, 1998
Apparatus and method for limiting the speed of an electric motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations96
US5283510AFeb 1, 1994
Method for driving three phase stepping motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations96
US5592355AJan 7, 1997
Motor control circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations93
US5504404AApr 2, 1996
Method and apparatus for controlling motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations93
US6541939B2Apr 1, 2003
Motor controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US6324038B1Nov 27, 2001
Current control apparatus with overcurrent protective function for a motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations92
US5923728AJul 13, 1999
Motor controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US6836045B2Dec 28, 2004
Electrical motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations91
US6575257B1Jun 10, 2003
Method for controlling vehicle drive motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US7126248B2Oct 24, 2006
Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US7026741B2Apr 11, 2006
Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US6580239B1Jun 17, 2003
Protecting device of electromobile
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5730238AMar 24, 1998
Control method of electric car
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74
US5485375AJan 16, 1996
Protecting device of electromobile
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations74
US5444340AAug 22, 1995
Controlling apparatus of motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations74
US5321340AJun 14, 1994
Driving method for three-phase stepping motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations74