Inventor
SASAMOTO TATSURO
JP16 patents
Patents
16 patentsUS6522488B2Feb 18, 2003
Servo information writing method and storage device
FUJITSU LTD31 citations92
US6064541AMay 16, 2000
Servo pattern writing method for magnetic disk drives, and magnetic disk drive adopting the method
FUJITSU LTD20 citations92
US5903411AMay 11, 1999
Method for reliably positioning a head in a disk drive to a guard band area
FUJITSU LTD21 citations92
US5796546AAug 18, 1998
Disk apparatus for controlling a seek operation of a read/write head to a target location of a recording disk
FUJITSU LTD20 citations92
US5784220AJul 21, 1998
Magnetic disk apparatus, recording and accessing method for performing density recording
FUJITSU LTD19 citations92
US5636075AJun 3, 1997
Magnetic disk apparatus, recording medium, and accessing method for performing constant density recording
FUJITSU LTD34 citations92
US5623379AApr 22, 1997
Method of controlling a start-up of a motor used for a disk apparatus
FUJITSU LTD36 citations92
US6909574B2Jun 21, 2005
Disk device conducting a disturbance compensation based on a time-interval measurement in reading servo sectors recorded on a disk
FUJITSU LTD46 citations91
US6721122B2Apr 13, 2004
Disk drive unit and control method for same
FUJITSU LTD19 citations91
US6239940B1May 29, 2001
Disk device and disk device calibrating method
FUJITSU LTD8 citations74
US5592347AJan 7, 1997
Apparatus for measuring offset of head from servo pattern of data surface and disk medium having recorded servo pattern for measurement of offset
FUJITSU LTD12 citations73
US5541785AJul 30, 1996
Magnetic disk apparatus with improved positioning control of magnetic head
FUJITSU LTD12 citations73
US5109502AApr 28, 1992
Head exchange system for disc drive system controlling busy signals in accordance with head offset
FUJITSU LTD19 citations73
US6295507B1Sep 25, 2001
Calibration method for acceleration sensor in storage device and storage device
FUJITSU LTD12 citations72
US6034830AMar 7, 2000
Information recording medium having divided cylinder address storage
FUJITSU LTD5 citations62
US7589929B2Sep 15, 2009
Servo pattern writing apparatus, servo pattern writing method, servo pattern reading apparatus, and servo pattern reading method
FUJITSU LTD0 citations51