Inventor
CHEN JENGHUNG
US22 patents
⚠️ This page may combine multiple inventors who share the name “CHEN JENGHUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
18 patentsUS7551390B1Jun 23, 2009
Disk drive to characterize misaligned servo wedges
WESTERN DIGITAL TECH INC117 citations98
US7212374B1May 1, 2007
Disk drive to characterize misaligned servo wedges
WESTERN DIGITAL TECH INC118 citations98
US7088547B1Aug 8, 2006
Disk drive recursively estimating repeatable runout
WESTERN DIGITAL TECH INC131 citations98
US6903897B1Jun 7, 2005
Performance of a rotary actuator in a disk drive
WESTERN DIGITAL TECH INC110 citations98
US7251098B1Jul 31, 2007
Disk drive adjusting write clock frequency to compensate for eccentricity in disk rotation
WESTERN DIGITAL TECH INC116 citations97
US7095579B1Aug 22, 2006
Disk drive employing momentum based unload during power failure
WESTERN DIGITAL TECH INC118 citations97
US7068451B1Jun 27, 2006
Disk drive estimating a sinusoidal error in a wedge time period due to eccentricity in disk rotation
WESTERN DIGITAL TECH INC148 citations97
US6972540B1Dec 6, 2005
Disk drive employing wedge spindle speed control with eccentricity compensation
WESTERN DIGITAL TECH INC143 citations97
US10622012B1Apr 14, 2020
Calibrating elevator actuator for disk drive
WESTERN DIGITAL TECH INC24 citations93
US7253989B1Aug 7, 2007
Disk drive compensation of bias imparted by a flex circuit cable utilizing a dual bias curve estimation scheme
WESTERN DIGITAL TECH INC121 citations93
US7209310B1Apr 24, 2007
Disk drive identifying starting track by performing multiple load operations
WESTERN DIGITAL TECH INC29 citations89
US10783912B1Sep 22, 2020
Calibrating elevator actuator for disk drive
WESTERN DIGITAL TECH INC8 citations84
US11257517B1Feb 22, 2022
Data storage device seeking multiple actuators to improve performance
WESTERN DIGITAL TECH INC2 citations73
US10839838B1Nov 17, 2020
Calibrating elevator actuator for disk drive
WESTERN DIGITAL TECH INC3 citations72
US11657843B2May 23, 2023
Data storage device seeking multiple actuators to improve performance
WESTERN DIGITAL TECH INC0 citations62
US11043243B2Jun 22, 2021
Calibrating elevator actuator for disk drive
WESTERN DIGITAL TECH INC0 citations52
US8995082B1Mar 31, 2015
Reducing acoustic noise in a disk drive when exiting idle mode
WESTERN DIGITAL TECH INC1 citations52
US9208808B1Dec 8, 2015
Electronic system with unload management mechanism and method of operation thereof
WESTERN DIGITAL TECH INC1 citations51