Inventor
IWAZAWA NAOTOSHI
JP6 patents
Patents
6 patentsUS5990651ANov 23, 1999
Stepping motor drive apparatus and stepping motor
NEC CORP39 citations91
US7136339B2Nov 14, 2006
Positioning control apparatus and method capable of reducing relative position error without increasing gain and frequency band of transfer characteristics of control system
NEC CORP7 citations72
US6072767AJun 6, 2000
Turntable device for an optical disk
NEC CORP15 citations71
US5995482ANov 30, 1999
Disk supporting device capable of holding a disk in a cartridge with a releasable, pivotable lever arm
NEC CORP15 citations71
US5547296AAug 20, 1996
Method of controlling a printhead carriage velocity of a serial printer
NEC CORP10 citations71
US7327643B2Feb 5, 2008
Radial tilt compensating optical disk apparatus using tracking control loop gain
NEC CORP5 citations57