Inventor
LIM CHOONKIAT
SG23 patents
⚠️ This page may combine multiple inventors who share the name “LIM CHOONKIAT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY LLC
22 patentsUS6654198B2Nov 25, 2003
Repeatable run-out error compensation method for a disc drive
SEAGATE TECHNOLOGY LLC60 citations95
US7130149B2Oct 31, 2006
Fluid-borne contaminant protection using a filter assembly with a leading edge guide surface
SEAGATE TECHNOLOGY LLC24 citations92
US6765737B1Jul 20, 2004
Variable track densities on a recording medium to compensate for non-repeatable runout (NRRO) error
SEAGATE TECHNOLOGY LLC32 citations92
US6476995B1Nov 5, 2002
Method and apparatus for reducing track misregistration from servo track writing
SEAGATE TECHNOLOGY LLC41 citations92
US6453722B1Sep 24, 2002
Integrated test system for a disc drive pivot bearing and actuator
SEAGATE TECHNOLOGY LLC21 citations92
US7457075B2Nov 25, 2008
System and method for reducing ZAP time and track squeeze in a data storage device
SEAGATE TECHNOLOGY LLC41 citations91
US6724562B1Apr 20, 2004
Segmented constant angle trackpitch
SEAGATE TECHNOLOGY LLC21 citations91
US6556387B1Apr 29, 2003
Controlling mechanical response characteristics of a disc drive actuator by adjusting a fastener engaging the actuator shaft to vary axial force on the bearing assembly
SEAGATE TECHNOLOGY LLC35 citations90
US6862155B2Mar 1, 2005
Squeeze evaluations that account for low frequency components, in a controller usable in a data handling system
SEAGATE TECHNOLOGY LLC27 citations89
US7675712B2Mar 9, 2010
Ramp structure with inclined contact surface
SEAGATE TECHNOLOGY LLC10 citations84
US6894867B2May 17, 2005
Disc drive housing with air guide
SEAGATE TECHNOLOGY LLC17 citations80
US6771441B2Aug 3, 2004
Track mis-registration measurement for a disc drive
SEAGATE TECHNOLOGY LLC16 citations80
US7167882B2Jan 23, 2007
True random number generation
SEAGATE TECHNOLOGY LLC7 citations73
US7149053B2Dec 12, 2006
Disc drive turbulent wind management
SEAGATE TECHNOLOGY LLC8 citations73
US6687094B2Feb 3, 2004
Head actuator for a data storage head having a low mass with lateral stiffness
SEAGATE TECHNOLOGY LLC10 citations72
US6590739B2Jul 8, 2003
Disc clamp with shape memory alloys
SEAGATE TECHNOLOGY LLC7 citations72
US7349174B2Mar 25, 2008
Soft sensor for operating shock in a disc drive
SEAGATE TECHNOLOGY LLC7 citations70
US6308555B1Oct 30, 2001
Rotational shock tester apparatus
SEAGATE TECHNOLOGY LLC12 citations70
US7057850B2Jun 6, 2006
Flow divider upstream of disc drive recirculation filter
SEAGATE TECHNOLOGY LLC5 citations63
US6856485B2Feb 15, 2005
Biased retaining ring for disc drive
SEAGATE TECHNOLOGY LLC5 citations62
US6829115B2Dec 7, 2004
Method and apparatus for measuring half frequency whirl in a spindle motor
SEAGATE TECHNOLOGY LLC4 citations61
US7328118B2Feb 5, 2008
Method of determining the mass unbalance of an actuator
SEAGATE TECHNOLOGY LLC2 citations60