Inventor · Irvine, CA, US

Alain Chahwan

24Patents
8h-index
29Co-inventors
71Inventor score

Filing activity: Sep 19, 2007 → Mar 24, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8315006B1 Adaptive data writing mode based on drive environment Physics 159 Active
US7471483B1 Disk drive compensating for rotational vibrations, physical shocks, and thermal popping Physics 147 Active
US8179626B1 Adaptive shock detection Physics 118 Active
US8737013B2 Disk drive selecting disturbance signal for feed-forward compensation Physics 100 Active
US8717696B1 Disk drive adjusting noise spectrum to reduce resonance excitation of shock detector Physics 95 Active
US8767332B1 Disk drive predicting off-track error due to disturbances occurring over different frequency ranges Physics 78 Active
US8634158B1 Disk drive generating feed-forward actuator compensation based on a speaker driver signal Physics 69 Active
US10748567B1 Data storage device aborting write operation based on accumulated track squeeze metric for adjacent data track Physics 9 Active
US8896955B1 Adaptive track follow control Physics 8 Active
US9053724B1 Disk drive actuating first head microactuator while sensing signal from second head microactuator Physics 8 Active
US9274966B1 Dynamically throttling host commands to disk drives Physics 7 Active
US10748568B1 Data storage device employing dynamic track trajectories Physics 5 Active
US8953278B1 Disk drive selecting disturbance signal for feed-forward compensation Physics 5 Active
US8922937B1 Disk drive evaluating multiple vibration sensor outputs to enable write-protection Physics 5 Active
US8913338B1 Disk drive reducing write unsafe threshold when detecting an unrecoverable servo compensation value Physics 4 Active
US9401165B1 Method and system to monitor magnetic head loading and unloading stability for a data storage system Physics 3 Active
US9013825B1 Electronic system with vibration management mechanism and method of operation thereof Physics 3 Active
US8885283B1 Disk drive adjusting write block size based on detected vibration Physics 2 Active
US8929022B1 Disk drive detecting microactuator degradation by evaluating frequency component of servo signal Physics 2 Active
US8922931B1 Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality Physics 1 Active
US8947819B1 Disk drive implementing hysteresis for primary shock detector based on a more sensitive secondary shock detector Physics 1 Active
US9823859B2 Mechanical shock mitigation for data storage Physics 0 Active
US9009455B2 Booting from a secondary storage device in order to accumulate disk drive performance data Physics 0 Active
US11756581B1 Position and risk reconstruction in shingled magnetic recording data storage devices Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.