Inventor
INAJI TOSHIO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “INAJI TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
26 patentsUS7265929B2Sep 4, 2007
Method of controlling an actuator, and disk apparatus using the same method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD170 citations99
US5710500AJan 20, 1998
Motor speed control apparatus using phase-advance based estimated disturbance signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations93
US5467004ANov 14, 1995
Motor speed control apparatus for keeping the speed of the motor fixed in the presence of a disturbance torque
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US5182499AJan 26, 1993
Sensorless brushless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations93
US5177416AJan 5, 1993
Brushless dc motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations93
US5144209ASep 1, 1992
Brushless dc motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD52 citations93
US5130620AJul 14, 1992
Brushless DC motor without a position sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations93
US7031099B2Apr 18, 2006
Head positioner and information recording/replaying apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US7019938B2Mar 28, 2006
Head positioning method, and disk apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5737483AApr 7, 1998
Motor speed control apparatus for motors
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5378976AJan 3, 1995
Brushless DC motor without a position sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US5065263ANov 12, 1991
Track following transducer position control system for a disk storage drive system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US4633150ADec 30, 1986
Driving circuit for brushless DC motors
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations92
US4631459ADec 23, 1986
Brushless DC motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US4999558AMar 12, 1991
Position control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations91
US4954905ASep 4, 1990
Data transducer position control system for disk storage drive system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations90
US6995945B2Feb 7, 2006
Head positioning system, disk drive apparatus using the same, and head positioning method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US6950274B2Sep 27, 2005
Disk storage apparatus and disk storage apparatus control method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US6950271B2Sep 27, 2005
Disk drive and disk drive control method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US7038877B2May 2, 2006
Head positioning apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6903896B2Jun 7, 2005
Head positioning method, and disk apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5376870ADec 27, 1994
Apparatus for driving a brushless DC motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US6982848B2Jan 3, 2006
Disk apparatus and head positioning method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US4695907ASep 22, 1987
Rotary head deflection apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US7177106B2Feb 13, 2007
Disk storage apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7064919B2Jun 20, 2006
Disk storage apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63