Inventor
CHAHWAN ALAIN
US24 patents
⚠️ This page may combine multiple inventors who share the name “CHAHWAN ALAIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
14 patentsUS7471483B1Dec 30, 2008
Disk drive compensating for rotational vibrations, physical shocks, and thermal popping
WESTERN DIGITAL TECH INC150 citations99
US8767332B1Jul 1, 2014
Disk drive predicting off-track error due to disturbances occurring over different frequency ranges
WESTERN DIGITAL TECH INC78 citations98
US8717696B1May 6, 2014
Disk drive adjusting noise spectrum to reduce resonance excitation of shock detector
WESTERN DIGITAL TECH INC97 citations97
US9013825B1Apr 21, 2015
Electronic system with vibration management mechanism and method of operation thereof
WESTERN DIGITAL TECH INC7 citations84
US8953278B1Feb 10, 2015
Disk drive selecting disturbance signal for feed-forward compensation
WESTERN DIGITAL TECH INC7 citations84
US9274966B1Mar 1, 2016
Dynamically throttling host commands to disk drives
WESTERN DIGITAL TECH INC11 citations83
US9053724B1Jun 9, 2015
Disk drive actuating first head microactuator while sensing signal from second head microactuator
WESTERN DIGITAL TECH INC9 citations83
US9401165B1Jul 26, 2016
Method and system to monitor magnetic head loading and unloading stability for a data storage system
WESTERN DIGITAL TECH INC4 citations73
US8913338B1Dec 16, 2014
Disk drive reducing write unsafe threshold when detecting an unrecoverable servo compensation value
WESTERN DIGITAL TECH INC5 citations73
US8922931B1Dec 30, 2014
Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality
WESTERN DIGITAL TECH INC2 citations63
US8929022B1Jan 6, 2015
Disk drive detecting microactuator degradation by evaluating frequency component of servo signal
WESTERN DIGITAL TECH INC2 citations62
US11756581B1Sep 12, 2023
Position and risk reconstruction in shingled magnetic recording data storage devices
WESTERN DIGITAL TECH INC0 citations52
US8947819B1Feb 3, 2015
Disk drive implementing hysteresis for primary shock detector based on a more sensitive secondary shock detector
WESTERN DIGITAL TECH INC1 citations52
US9823859B2Nov 21, 2017
Mechanical shock mitigation for data storage
WESTERN DIGITAL TECH INC1 citations44
CHAHWAN ALAIN
4 patentsUS8315006B1Nov 20, 2012
Adaptive data writing mode based on drive environment
CHAHWAN ALAIN161 citations98
US8634158B1Jan 21, 2014
Disk drive generating feed-forward actuator compensation based on a speaker driver signal
CHAHWAN ALAIN70 citations96
US8922937B1Dec 30, 2014
Disk drive evaluating multiple vibration sensor outputs to enable write-protection
CHAHWAN ALAIN8 citations83
US8885283B1Nov 11, 2014
Disk drive adjusting write block size based on detected vibration
CHAHWAN ALAIN2 citations62
WESTERN DIGITAL TECHNOLOGIES INC
2 patentsUS10748568B1Aug 18, 2020
Data storage device employing dynamic track trajectories
WESTERN DIGITAL TECHNOLOGIES INC7 citations84
US10748567B1Aug 18, 2020
Data storage device aborting write operation based on accumulated track squeeze metric for adjacent data track
WESTERN DIGITAL TECHNOLOGIES INC17 citations82