Inventor
ZHU WENZHONG
US102 patents
⚠️ This page may combine multiple inventors who share the name “ZHU WENZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY LLC
40 patentsUS7898838B2Mar 1, 2011
Resistive sense memory calibration for self-reference read method
SEAGATE TECHNOLOGY LLC90 citations98
US9607631B2Mar 28, 2017
Enhanced capacity recording
SEAGATE TECHNOLOGY LLC43 citations97
US10431246B2Oct 1, 2019
Dual actuator storage device utilizing multiple disk zones
SEAGATE TECHNOLOGY LLC16 citations94
US9472223B1Oct 18, 2016
Media certification with different recording widths
SEAGATE TECHNOLOGY LLC24 citations94
US9324362B1Apr 26, 2016
Post-write scan operations for interlaced magnetic recording
SEAGATE TECHNOLOGY LLC36 citations94
US7999338B2Aug 16, 2011
Magnetic stack having reference layers with orthogonal magnetization orientation directions
SEAGATE TECHNOLOGY LLC21 citations93
US7898844B2Mar 1, 2011
Magnetic tunnel junction and memristor apparatus
SEAGATE TECHNOLOGY LLC13 citations93
US7876604B2Jan 25, 2011
Stram with self-reference read scheme
SEAGATE TECHNOLOGY LLC19 citations93
US7852665B2Dec 14, 2010
Memory cell with proportional current self-reference sensing
SEAGATE TECHNOLOGY LLC35 citations93
US7846564B2Dec 7, 2010
Perpendicular magnetic recording media with magnetic anisotropy/coercivity gradient and local exchange coupling
SEAGATE TECHNOLOGY LLC19 citations93
US7826260B2Nov 2, 2010
Spin-transfer torque memory self-reference read and write assist methods
SEAGATE TECHNOLOGY LLC16 citations93
US7201977B2Apr 10, 2007
Anti-ferromagnetically coupled granular-continuous magnetic recording media
SEAGATE TECHNOLOGY LLC49 citations93
US9508369B2Nov 29, 2016
Defining a maximum sequential write duration for a data storage device utilizing heat-assisted recording
SEAGATE TECHNOLOGY LLC20 citations92
US9508362B2Nov 29, 2016
Write management for interlaced magnetic recording devices
SEAGATE TECHNOLOGY LLC16 citations92
US9502061B1Nov 22, 2016
Data storage device optimization based on adjacent track interference
SEAGATE TECHNOLOGY LLC22 citations86
US10210891B1Feb 19, 2019
Dual writer head design utilizing two writers of different sizes for writing interlaced data tracks
SEAGATE TECHNOLOGY LLC13 citations84
US10049698B2Aug 14, 2018
Interlaced magnetic recording super parity
SEAGATE TECHNOLOGY LLC4 citations84
US9858961B2Jan 2, 2018
Reader design for interlaced magnetic recording
SEAGATE TECHNOLOGY LLC9 citations84
US9704519B1Jul 11, 2017
Sorting of HAMR read/write heads based on reader and writer widths
SEAGATE TECHNOLOGY LLC7 citations84
US9653121B1May 16, 2017
Heat-assisted magnetic recording device capable of detecting head malfunction based on different currents of sensors
SEAGATE TECHNOLOGY LLC10 citations84
US9633675B2Apr 25, 2017
Interlaced magnetic recording super parity
SEAGATE TECHNOLOGY LLC4 citations84
US9626989B1Apr 18, 2017
Selective powering techniques for heat assisted magnetic recording
SEAGATE TECHNOLOGY LLC13 citations84
US9524743B2Dec 20, 2016
Heat assisted magnetic recording for bit-patterned media
SEAGATE TECHNOLOGY LLC7 citations84
US9401162B1Jul 26, 2016
Read sensor with free layers of different widths sandwiching a SAF structure for extremely high resolution
SEAGATE TECHNOLOGY LLC11 citations84
US9240205B1Jan 19, 2016
Write parameters used to ensure accurate phase lock during reading of a heat-assisted magnetic recording medium
SEAGATE TECHNOLOGY LLC12 citations84
US9087593B2Jul 21, 2015
Random bit generator that applies alternating current (AC) to magnetic tunnel junction to generate a random bit
SEAGATE TECHNOLOGY LLC6 citations84
US8048545B2Nov 1, 2011
Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling
SEAGATE TECHNOLOGY LLC7 citations84
US8045366B2Oct 25, 2011
STRAM with composite free magnetic element
SEAGATE TECHNOLOGY LLC11 citations84
US8045370B2Oct 25, 2011
Memory self-reference read and write assist methods
SEAGATE TECHNOLOGY LLC7 citations84
US7881096B2Feb 1, 2011
Asymmetric write current compensation
SEAGATE TECHNOLOGY LLC11 citations84
US7852660B2Dec 14, 2010
Enhancing read and write sense margins in a resistive sense element
SEAGATE TECHNOLOGY LLC12 citations84
US7813168B2Oct 12, 2010
Spin-transfer torque memory self-reference read and write assist methods
SEAGATE TECHNOLOGY LLC11 citations84
US9818445B2Nov 14, 2017
Magnetic storage device readers
SEAGATE TECHNOLOGY LLC12 citations83
US9589587B1Mar 7, 2017
Laser adjustment during field operation of a heat-assisted magnetic recording data storage device
SEAGATE TECHNOLOGY LLC6 citations83
US9330688B1May 3, 2016
Procedure that achieves a target areal density for a heat-assisted recording medium
SEAGATE TECHNOLOGY LLC9 citations83
US9311951B1Apr 12, 2016
Laser adjustment during field operation of a heat-assisted magnetic recording data storage device
SEAGATE TECHNOLOGY LLC10 citations83
US9508370B1Nov 29, 2016
Repeated runout (RRO) compensation for alternating tracks in an interlaced magnetic recording system
SEAGATE TECHNOLOGY LLC10 citations82
US6760181B2Jul 6, 2004
Microactuator for dynamic controlling head-media interaction and fly-height
SEAGATE TECHNOLOGY LLC17 citations82
US9530447B2Dec 27, 2016
Adaptive HAMR power data storage device
SEAGATE TECHNOLOGY LLC9 citations81
US9311959B1Apr 12, 2016
Read channel optimization using multi-dimensional smoothing
SEAGATE TECHNOLOGY LLC12 citations76
CHEN YIRAN
3 patentsUS8203899B2Jun 19, 2012
Memory cell with proportional current self-reference sensing
CHEN YIRAN20 citations92
US9128821B2Sep 8, 2015
Data updating in non-volatile memory
CHEN YIRAN12 citations84
US8213215B2Jul 3, 2012
Resistive sense memory calibration for self-reference read method
CHEN YIRAN12 citations84
ZHU WENZHONG
3 patentsGAO KAIZHONG
1 patentWANG XIAOBIN
1 patentZHENG YUANKAI
1 patentLOU XIAOHUA
1 patentShowing the top 50 of 102 patents by PatentIndex Score.