Inventor
SERIZAWA KOHJI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “SERIZAWA KOHJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
5 patentsUS6067209AMay 23, 2000
Disk drive device with shock resistance flexure and ramp limited system
IBM60 citations94
US6594099B2Jul 15, 2003
Apparatus for erasing data stored on a magnetic disk
IBM44 citations92
US6137658AOct 24, 2000
Apparatus for guiding and locking a rotary actuator
IBM22 citations92
US6633452B2Oct 14, 2003
Disk drive apparatus, hard disk drive, and enclosure for hard disk drive
IBM5 citations58
US5818657AOct 6, 1998
Disk drive with impulse torque generating element
IBM1 citations51
HITACHI GLOBAL STORAGE TECH
4 patentsUS7573671B2Aug 11, 2009
Disk device with reduced flutter
HITACHI GLOBAL STORAGE TECH9 citations82
US6690540B2Feb 10, 2004
Disk drive damper having a thin portion and a plurality of thick portions
HITACHI GLOBAL STORAGE TECH12 citations73
US6657812B2Dec 2, 2003
Disk drive including a dust catching chamber and an associated gasket portion
HITACHI GLOBAL STORAGE TECH10 citations72
US7545599B2Jun 9, 2009
Disk drive with vibration suppression member disposed near head assembly
HITACHI GLOBAL STORAGE TECH3 citations61
HITACHI LTD
3 patentsUS5334875AAug 2, 1994
Stacked semiconductor memory device and semiconductor memory module containing the same
HITACHI LTD128 citations98
US5198888AMar 30, 1993
Semiconductor stacked device
HITACHI LTD353 citations98
US5028986AJul 2, 1991
Semiconductor device and semiconductor module with a plurality of stacked semiconductor devices
HITACHI LTD115 citations95