Inventor
MATSUBARA NOBUYA
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MATSUBARA NOBUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
6 patentsUS7019933B2Mar 28, 2006
Servo information write method, servo control method, data storage device, and program
HITACHI GLOBAL STORAGE TECH21 citations91
US7197593B2Mar 27, 2007
Bad-sector search method, data recording device, and program
HITACHI GLOBAL STORAGE TECH7 citations71
US7023638B2Apr 4, 2006
Data storage device, data read correction mechanism, and data read control method
HITACHI GLOBAL STORAGE TECH5 citations62
US6879459B2Apr 12, 2005
Positioning control mechanism for a magnetic head in a magnetic storage device
HITACHI GLOBAL STORAGE TECH2 citations60
US7675700B2Mar 9, 2010
Disk drive device and method for production thereof
HITACHI GLOBAL STORAGE TECH4 citations59
US6937408B2Aug 30, 2005
Rotation recording apparatus and method of inspection thereof
HITACHI GLOBAL STORAGE TECH2 citations57
IBM
5 patentsUS6337777B1Jan 8, 2002
Method and apparatus for controlling data write operations
IBM15 citations83
US6424476B1Jul 23, 2002
Method and apparatus for controlling read and write operations in a storage device
IBM8 citations73
US5812338ASep 22, 1998
Method and apparatus for indicating start of servo information on a recording medium
IBM9 citations73
US6324029B1Nov 27, 2001
Method and system for GMR sensor reset pulse application
IBM13 citations68
US6263462B1Jul 17, 2001
Testing method and tester
IBM8 citations68