Inventor · Mission Viejo, CA, US

Wei Xi

60Patents
9h-index
91Co-inventors
77Inventor score

Filing activity: Jul 23, 2008 → Apr 16, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7626782B1 Disk drive employing iterative learning control for tuning seek servo loop Physics 124 Active
US8693134B1 Alternating wedge repeatable runout (WRRO) pattern Physics 123 Active
US8611040B1 Disk drive adjusting microactuator gain by injecting a sinusoid into a servo control system Physics 113 Active
US8531798B1 Disk drive adjusting servo burst signals to compensate for radial velocity of the head Physics 109 Active
US8630059B1 Methods for closed-loop compensation of ultra-high frequency disturbances in hard disk drives and hard disk drives utilizing same Physics 107 Active
US8737013B2 Disk drive selecting disturbance signal for feed-forward compensation Physics 100 Active
US8792202B1 Disk drive adjusting rotation speed of disk to compensate for blind area when measuring frequency response of servo control system Physics 75 Active
US9111575B1 Data storage device employing adaptive feed-forward control in timing loop to compensate for vibration Physics 34 Active
US9026728B1 Disk drive applying feed-forward compensation when writing consecutive data tracks Physics 13 Active
US9959052B1 Media based cache for data storage device Physics 5 Active
US9153283B1 Data storage device compensating for hysteretic response of microactuator Physics 5 Active
US9424868B1 Data storage device employing spindle motor driving profile during seek to improve power performance Physics 5 Active
US8953278B1 Disk drive selecting disturbance signal for feed-forward compensation Physics 5 Active
US9542966B1 Data storage devices and methods with frequency-shaped sliding mode control Physics 5 Active
US9667334B2 Method and apparatus for transmitting common signal in hybrid beamforming Electricity 4 Active
US8724254B1 Evaluating dual stage actuator response in a disk drive by adding sinusoid to control signal Physics 4 Active
US10289310B2 Hybrid data storage system with private storage cloud and public storage cloud Physics 4 Active
US9053726B1 Data storage device on-line adapting disturbance observer filter Physics 4 Active
US8922938B1 Disk drive filtering disturbance signal and error signal for adaptive feed-forward compensation Physics 4 Active
US9007714B1 Data storage device comprising slew rate anti-windup compensation for microactuator Physics 4 Active
US9001454B1 Disk drive adjusting phase of adaptive feed-forward controller when reconfiguring servo loop Physics 4 Active
US9355667B1 Data storage device saving absolute position at each servo wedge for previous write operations Physics 3 Active
US9058827B1 Disk drive optimizing filters based on sensor signal and disturbance signal for adaptive feed-forward compensation Physics 3 Active
US9269386B1 Data storage device on-line adapting disturbance observer filter Physics 3 Active
US10365836B1 Electronic system with declustered data protection by parity based on reliability and method of operation thereof Physics 2 Active

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