Inventor
OHZEKI HIDEKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “OHZEKI HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
9 patentsUS7385777B2Jun 10, 2008
Data storage device with heater, and control method therefor with timing control
HITACHI GLOBAL STORAGE TECH12 citations83
US7209311B2Apr 24, 2007
Data storage device and control method therefor to prevent off-track writing
HITACHI GLOBAL STORAGE TECH16 citations82
US7619849B2Nov 17, 2009
Magnetic disk drive with controlled transducer movement during a seek
HITACHI GLOBAL STORAGE TECH2 citations63
US7675701B2Mar 9, 2010
Method and apparatus for detecting servo timing marks in a magnetic disk system
HITACHI GLOBAL STORAGE TECH6 citations62
US7595955B2Sep 29, 2009
Disk drive device and method for error recovery procedure therefor
HITACHI GLOBAL STORAGE TECH5 citations62
US7369349B2May 6, 2008
Data storage device with heater, and control method therefor involving different control modes
HITACHI GLOBAL STORAGE TECH4 citations62
US7567406B2Jul 28, 2009
Method of writing pattern on magnetic disk and device therefor
HITACHI GLOBAL STORAGE TECH2 citations60
US6700730B1Mar 2, 2004
Method of using an integral parameter for correct placement of a read/write head
HITACHI GLOBAL STORAGE TECH0 citations42
US7489470B2Feb 10, 2009
Magnetic recording apparatus
HITACHI GLOBAL STORAGE TECH0 citations41
IBM
6 patentsUS6189110B1Feb 13, 2001
Disk device and data reassignment method
IBM52 citations91
US6487028B1Nov 26, 2002
Servo system for disk-flutter in rotating storage systems
IBM48 citations90
US6084733AJul 4, 2000
Storage device and error recovery method executing a plurality of error recovery routines based on error type
IBM45 citations90
US6339512B1Jan 15, 2002
Disk-flutter servo control in rotating storage system with optimum disk thickness
IBM18 citations81
US6597530B2Jul 22, 2003
Method and apparatus for disk drive seek control
IBM11 citations74
US6456451B1Sep 24, 2002
Method and apparatus for disk drive seek control
IBM6 citations74