Inventor
TAKAYAMA SEIRYU
JP6 patents
Patents
6 patentsUS7042821B2May 9, 2006
Disk drive apparatus for optimum motor control
SONY CORP6 citations72
US6597140B2Jul 22, 2003
Sensorless motor starting system
SONY CORP9 citations72
US7099247B2Aug 29, 2006
Disk drive apparatus
SONY CORP4 citations61
US7006413B2Feb 28, 2006
Disk driving apparatus
SONY CORP3 citations61
US7227320B2Jun 5, 2007
Disc drive apparatus and motor driver circuit
SONY CORP6 citations56
US6476576B2Nov 5, 2002
Motor control apparatus
SONY CORP1 citations41