Inventor
LI JOHN YIN KWONG
US5 patents
Patents
5 patentsUS6924959B1Aug 2, 2005
Reducing estimation period for repeatable runout errors in a disk drive
WESTERN DIGITAL TECH INC121 citations97
US7580212B1Aug 25, 2009
Magnetic disk having efficiently stored WRRO compensation value redundancy information and method for using the redundancy information
WESTERN DIGITAL TECH INC109 citations96
US7339761B1Mar 4, 2008
Method for wedge time shift calibration in a disk drive
WESTERN DIGITAL TECH INC113 citations96
US7679854B1Mar 16, 2010
Head switch operation for a disk drive
WESTERN DIGITAL TECH INC109 citations95
US7576941B1Aug 18, 2009
Disk drive writing wedge RRO values in a butterfly pattern
WESTERN DIGITAL TECH INC123 citations95