Inventor
ANDOH HARUO
19 patents
⚠️ This page may combine multiple inventors who share the name “ANDOH HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
7 patentsUS6345366B1Feb 5, 2002
Method and device for error recovery
IBM23 citations92
US6301644B1Oct 9, 2001
Method for managing defect sectors of information storage medium, and apparatus for use with the method
IBM23 citations92
US6134071AOct 17, 2000
Disk drive, load/unload unit, and control method thereof
IBM26 citations92
US6061805AMay 9, 2000
Method for executing an error recovery procedure
IBM28 citations91
US5918001AJun 29, 1999
Disk drive apparatus and error recovery method in the disk drive
IBM37 citations91
US6654904B1Nov 25, 2003
Method for registering, in a defect map, addresses of defective sectors of a data recording medium
IBM34 citations86
US6088818AJul 11, 2000
Data read apparatus and data read method
IBM9 citations73
HITACHI MAXELL
7 patentsUS4624883ANov 25, 1986
Magnetic recording medium
HITACHI MAXELL29 citations89
US4857417AAug 15, 1989
Cobalt-containing iron oxide magnetic particles and method for the preparation of the same
HITACHI MAXELL12 citations73
US4741921AMay 3, 1988
Method for preparing cobalt-containing iron oxide magnetic particles
HITACHI MAXELL9 citations73
US4364988ADec 21, 1982
Magnetic recording medium
HITACHI MAXELL7 citations72
US4299882ANov 10, 1981
Magnetic recording medium and process
HITACHI MAXELL9 citations70
US4693931ASep 15, 1987
Magnetic recording medium and magnetic particles therefor
HITACHI MAXELL5 citations63
US4946374AAug 7, 1990
Magnetic recording medium
HITACHI MAXELL4 citations60
HITACHI GLOBAL STORAGE TECH
4 patentsUS7562270B2Jul 14, 2009
Medium drive and method of generating a defect map for registering positions of defects on a medium
HITACHI GLOBAL STORAGE TECH9 citations84
US6850379B2Feb 1, 2005
Method for registering a defect map within a hard disk drive
HITACHI GLOBAL STORAGE TECH16 citations82
US7155592B2Dec 26, 2006
System and method for onboard HDD defragmentation and combining multiple G-list entries
HITACHI GLOBAL STORAGE TECH3 citations62
US7362539B2Apr 22, 2008
Disk drive and method of controlling the same
HITACHI GLOBAL STORAGE TECH0 citations52