Inventor
ALEX MICHAEL
US19 patents
⚠️ This page may combine multiple inventors who share the name “ALEX MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
5 patentsUS8773957B1Jul 8, 2014
Disk drive destabilizing magnetization of test pattern using head laser to enhance defect detection
WESTERN DIGITAL TECH INC56 citations98
US9001630B1Apr 7, 2015
Energy assisted magnetic recording medium capable of suppressing high DC readback noise
WESTERN DIGITAL TECH INC5 citations84
US11348037B2May 31, 2022
Machine learning-based read channel data detection
WESTERN DIGITAL TECH INC0 citations62
US11080621B2Aug 3, 2021
Machine learning-based read channel data detection
WESTERN DIGITAL TECH INC1 citations62
US9171575B1Oct 27, 2015
Data storage device detecting media defects by writing opposite polarity test pattern
WESTERN DIGITAL TECH INC2 citations57
ALEX MICHAEL
5 patentsUS8446690B2May 21, 2013
Perpendicular magnetic recording write head with spin torque oscillator for fast switching of write pole magnetization
ALEX MICHAEL52 citations93
US8189281B2May 29, 2012
Magnetic recording disk drive with write driver to write head transmission line having non-uniform sections for optimal write current pulse overshoot
ALEX MICHAEL27 citations92
US8116031B2Feb 14, 2012
Perpendicular magnetic recording system with helical write coil and auxiliary coil for fast switching of write pole magnetization
ALEX MICHAEL36 citations92
US8897103B2Nov 25, 2014
Disk drive calibrating a laser write power for heat assisted magnetic recording
ALEX MICHAEL13 citations83
US8116021B2Feb 14, 2012
Synchronized rewriting of data
ALEX MICHAEL1 citations50
KOMAG INC
3 patentsUS6628466B2Sep 30, 2003
Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation
KOMAG INC116 citations98
US6429984B1Aug 6, 2002
Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation
KOMAG INC136 citations98
US7196860B2Mar 27, 2007
Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation
KOMAG INC93 citations97
HITACHI GLOBAL STORAGE TECH
2 patentsUS7787201B2Aug 31, 2010
Method and apparatus for controlling fly-height of a perpendicular-magnetic-recording head in a hard disk drive
HITACHI GLOBAL STORAGE TECH16 citations84
US7633694B2Dec 15, 2009
Method and apparatus for quantifying stress and damage in magnetic heads
HITACHI GLOBAL STORAGE TECH8 citations84