Inventor
NAKAJIMA SHOUJI
JP12 patents
Patents
12 patentsUS7639446B2Dec 29, 2009
Disk drive device and servo write method
TOSHIBA KK24 citations92
US7675705B2Mar 9, 2010
Method and apparatus for writing servo pattern using spiral pattern in disk drive
TOSHIBA KK14 citations83
US7477472B2Jan 13, 2009
Method and apparatus for writing servo data in a disk drive using spiral servo patterns
TOSHIBA KK13 citations83
US7639445B2Dec 29, 2009
Disk drive device and head positioning control method
TOSHIBA KK16 citations82
US4722010AJan 26, 1988
Read circuit for floppy disk drive
TOSHIBA KK16 citations73
US7855850B2Dec 21, 2010
Method and apparatus for head positioning using spiral servo patterns in a disk drive
TOSHIBA KK4 citations61
US7852593B2Dec 14, 2010
Method and apparatus for writing servo data, using spiral servo patterns in a disk drive
TOSHIBA KK2 citations61
US7804659B2Sep 28, 2010
Method and apparatus for positioning head using spiral servo pattern in a disk drive
TOSHIBA KK2 citations61
US7710682B2May 4, 2010
Method and apparatus for writing spiral servo pattern in a disk drive
TOSHIBA KK4 citations61
US7630161B2Dec 8, 2009
Method and apparatus for writing spiral servo pattern in a disk drive
TOSHIBA KK4 citations61
US5043837AAug 27, 1991
Alignment disk for magnetic head azimuth correction
TOSHIBA KK3 citations61
US7423835B2Sep 9, 2008
Method and apparatus for servo control using spiral servo information in a disk drive
TOSHIBA KK5 citations59