Inventor
YAMADA EIJI
JP116 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
34 patentsUS5608300AMar 4, 1997
Electrical angle-detecting apparatus and driving system of synchronous motor using the same
TOYOTA MOTOR CO LTD117 citations98
US6087734AJul 11, 2000
Power output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated therein
TOYOTA MOTOR CO LTD92 citations97
US5988307ANov 23, 1999
Power transmission apparatus, four-wheel drive vehicle with power transmission apparatus incorporated therein, method of transmitting power, and method of four-wheel driving
TOYOTA MOTOR CO LTD137 citations96
US5969496AOct 19, 1999
Method of controlling operation of synchronous motor and motor control apparatus for the same
TOYOTA MOTOR CO LTD56 citations96
US5936312AAug 10, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD67 citations96
US5814909ASep 29, 1998
Electric motor having heat radiator at electric connection with inverter
TOYOTA MOTOR CO LTD56 citations96
US5650706AJul 22, 1997
Control device for salient pole type permanent magnet motor
TOYOTA MOTOR CO LTD62 citations96
US5569995AOct 29, 1996
Method and apparatus for driving and controlling synchronous motor using permanent magnets as its field system
TOYOTA MOTOR CO LTD65 citations96
US5973460AOct 26, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD89 citations95
US5905346AMay 18, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD63 citations95
US5844342ADec 1, 1998
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD111 citations95
US7755243B2Jul 13, 2010
Rotating electric machine
TOYOTA MOTOR CO LTD21 citations93
US6051946AApr 18, 2000
Electrical angle detection apparatus, method of detecting electrical angle, and motor control apparatus
TOYOTA MOTOR CO LTD27 citations93
US6037741AMar 14, 2000
Motor controller and method of controlling motor
TOYOTA MOTOR CO LTD45 citations93
US5623178AApr 22, 1997
Coil structure for electric motor
TOYOTA MOTOR CO LTD43 citations93
US5220264AJun 15, 1993
Control system for an AC servomotor having a permanent magnet type
TOYOTA MOTOR CO LTD23 citations93
USRE38790ESep 6, 2005
Power output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated therein
TOYOTA MOTOR CO LTD18 citations92
US6781333B2Aug 24, 2004
Drive control apparatus and method of alternating current motor
TOYOTA MOTOR CO LTD55 citations92
US6515446B1Feb 4, 2003
Motor control apparatus and control method
TOYOTA MOTOR CO LTD34 citations92
US6340847B1Jan 22, 2002
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD39 citations92
US6188196B1Feb 13, 2001
Electrical angle detecting apparatus and method, and motor control apparatus
TOYOTA MOTOR CO LTD38 citations92
US5942862AAug 24, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD35 citations92
US5920160AJul 6, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD27 citations92
US5909094AJun 1, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD56 citations92
US5903113AMay 11, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD55 citations92
US5903112AMay 11, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD54 citations92
US5873801AFeb 23, 1999
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD22 citations92
US5804934ASep 8, 1998
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD32 citations92
US5791426AAug 11, 1998
Power output apparatus and method of controlling the same
TOYOTA MOTOR CO LTD38 citations92
US5789877AAug 4, 1998
Power transmitting apparatus and method of controlling the same
TOYOTA MOTOR CO LTD54 citations92
US8044633B2Oct 25, 2011
Drive device of electric motor
TOYOTA MOTOR CO LTD9 citations84
US8035271B2Oct 11, 2011
Stator core and rotating electric machine
TOYOTA MOTOR CO LTD8 citations84
US7969056B2Jun 28, 2011
Rotating electric motor
TOYOTA MOTOR CO LTD14 citations84
US7915753B2Mar 29, 2011
Power supply apparatus and vehicle
TOYOTA MOTOR CO LTD7 citations84
SHARP KK
9 patentsUS5754226AMay 19, 1998
Imaging apparatus for obtaining a high resolution image
SHARP KK197 citations99
US6108036AAug 22, 2000
Imaging apparatus having a spatial filter and image shifting mechanism controller based on an image mode
SHARP KK83 citations96
US5414719AMay 9, 1995
Operating circuit for galois field
SHARP KK70 citations96
US6815730B2Nov 9, 2004
Nitride-based semiconductor light-emitting device
SHARP KK31 citations93
US7157297B2Jan 2, 2007
Method for fabrication of semiconductor device
SHARP KK26 citations92
US6728179B1Apr 27, 2004
Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumption
SHARP KK32 citations92
US6577341B1Jun 10, 2003
Imaging apparatus
SHARP KK52 citations92
US5657082AAug 12, 1997
Imaging apparatus and method using interpolation processing
SHARP KK39 citations92
US7772611B2Aug 10, 2010
Nitride semiconductor device with depressed portion
SHARP KK11 citations84
MAHLE FILTER SYSTEMS JP CORP
2 patentsISHIHARA MINING & CHEMICAL CO
1 patentTENNEX CORP
1 patentTOKAI RIKA CO LTD
1 patentYAMADA EIJI
1 patentENDO YASUHIRO
1 patentShowing the top 50 of 116 patents by PatentIndex Score.