Inventor
NARAZAKI KAZUSHIGE
JP19 patents
Patents
19 patentsUS6583593B2Jun 24, 2003
Method and apparatus for position-sensorless motor control
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD98 citations97
US6462491B1Oct 8, 2002
Position sensorless motor control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD144 citations97
US6121736ASep 19, 2000
Control apparatus for motor, and motor unit having the control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD151 citations97
US6081087AJun 27, 2000
Motor control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD122 citations97
US5945760AAug 31, 1999
Motor with built-in permanent magnets
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD92 citations97
US6512341B2Jan 28, 2003
Apparatus and method for driving a brushless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD57 citations96
US5729102AMar 17, 1998
Brushless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations96
US5652495AJul 29, 1997
Controller for permanent magnet synchronous motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations96
US5646850AJul 8, 1997
Auto-drive control apparatus for use in vehicle apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations93
US5094127AMar 10, 1992
Adaptive control system for vehicles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US6936990B2Aug 30, 2005
Method for controlling electric motor and apparatus for controlling the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US6879129B2Apr 12, 2005
Brushless motor control method and controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US6844693B2Jan 18, 2005
Position control apparatus for motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5982133ANov 9, 1999
Brushless motor with rotor position detection compensation caused by induced voltage in rotor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92
US5936378AAug 10, 1999
Motor controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations92
US5923728AJul 13, 1999
Motor controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US7271556B2Sep 18, 2007
Method and apparatus for estimating rotor position of switched reluctance motor, and method and apparatus for sensorless control of switched reluctance motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5400120AMar 21, 1995
Electrophotographic apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations70
US5355065AOct 11, 1994
Adaptive control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63