Zhu; Wenzhong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zhu; Wenzhong.The latest application filed is for "readback waveform oversampling method and apparatus".

Company Profile

7.117.75

Zhu; Wenzhong - Apple Valley MN
Zhu; Wenzhong - Richfield MN
Zhu; Wenzhong - Woodbarry MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Readback waveform oversampling method and apparatus Grant 11,011,189 - Mader , et al. May 18, 2	2021-05-18
Dual actuator storage device utilizing multiple disk zones Grant 10,783,910 - Zhu , et al. Sept	2020-09-22
Readback Waveform Oversampling Method And Apparatus App 20200251132 - Kind Code	2020-08-06
Data updating in non-volatile memory Grant 10,684,778 - Chen , et al.	2020-06-16
Readback waveform oversampling method and apparatus Grant 10,665,254 - Mader , et al.	2020-05-26
Dual Actuator Storage Device Utilizing Multiple Disk Zones App 20200013430 - Zhu; Wenzhong ; et al.	2020-01-09
Dual actuator storage device utilizing multiple disk zones Grant 10,431,246 - Zhu , et al. O	2019-10-01
Boosted preheat trajectory to obtain desired clearance before writing to disk Grant 10,366,719 - Riddering , et al. July 30, 2	2019-07-30
Dual writer head design utilizing two writers of different sizes for writing interlaced data tracks Grant 10,210,891 - Tian , et al. Feb	2019-02-19
Variable written track widths for attribute-based storage Grant 10,090,016 - Gao , et al. October 2, 2	2018-10-02
Interlaced magnetic recording super parity Grant 10,049,698 - Zhu , et al. August 14, 2	2018-08-14
Heat-assisted magnetic recording error-recovery by erasing adjacent tracks using laser Grant 10,026,443 - Zhu , et al. July 17, 2	2018-07-17
Adaptive write fault thresholds Grant 10,014,020 - Zhu , et al. July 3, 2	2018-07-03
Shingled magnetic recording for writing tracks of variable track width Grant 10,008,231 - Granz , et al. June 26, 2	2018-06-26
Dual Actuator Storage Device Utilizing Multiple Disk Zones App 20180174613 - Zhu; Wenzhong ; et al.	2018-06-21
Activating a magnetic writer to recover from read errors due to reader instability Grant 9,997,176 - Zhu , et al. June 12, 2	2018-06-12
Changing write coil current in response to reader instability Grant 9,978,403 - Zhu , et al. May 22, 2	2018-05-22
Laser bias current control Grant 9,916,850 - Chu , et al. March 13, 2	2018-03-13
Heat-assisted Shingled Magnetic Recording With Variable Track Widths App 20180047422 - Granz; Steven ; et al.	2018-02-15
Reader design for interlaced magnetic recording Grant 9,858,961 - Zhu , et al. January 2, 2	2018-01-02
Selecting laser power based on writing to a set of consecutive user data wedges Grant 9,842,619 - Chu , et al. December 12, 2	2017-12-12
Non-sequential write for sequential read back Grant 9,842,047 - Gao , et al. December 12, 2	2017-12-12
Read sensor capable of providing multiple effective read widths Grant 9,830,935 - Gao , et al. November 28, 2	2017-11-28
Variable Written Track Widths For Attribute-based Storage App 20170330587 - Gao; Kaizhong ; et al.	2017-11-16
Heat-assisted Shingled Magnetic Recording With Variable Track Widths App 20170330591 - Granz; Steven ; et al.	2017-11-16
Skew compensation in a patterned medium Grant 9,818,438 - Zhu , et al. November 14, 2	2017-11-14
Magnetic storage device readers Grant 9,818,445 - Zhu , et al. November 14, 2	2017-11-14
Variable written track widths for attribute-based storage Grant 9,747,942 - Gao , et al. August 29, 2	2017-08-29
Prioritized random access for magnetic recording Grant 9,747,943 - Zhu , et al. August 29, 2	2017-08-29
Adaptive Write Fault Thresholds App 20170243609 - Zhu; Wenzhong ; et al.	2017-08-24
Method and apparatus for writing test tracks on a magnetic recording medium Grant 9,734,862 - Chu , et al. August 15, 2	2017-08-15
Interlaced magnetic recording Grant 9,728,206 - Gao , et al. August 8, 2	2017-08-08
Interlaced Magnetic Recording Super Parity App 20170206927 - Zhu; Wenzhong ; et al.	2017-07-20
Magnetic Storage Device Readers App 20170200468 - Zhu; Wenzhong ; et al.	2017-07-13
Sorting of HAMR read/write heads based on reader and writer widths Grant 9,704,519 - Zhu , et al. July 11, 2	2017-07-11
Adaptive write fault thresholds Grant 9,691,418 - Zhu , et al. June 27, 2	2017-06-27
Adaptive Write Fault Thresholds App 20170178672 - Zhu; Wenzhong ; et al.	2017-06-22
Post-write scan operations for interlaced magnetic recording Grant 9,679,601 - Gao , et al. June 13, 2	2017-06-13
Bidirectional shingled magnetic recording in a heat-assisted magnetic recording device Grant 9,679,597 - Zhu , et al. June 13, 2	2017-06-13
Prioritized Random Access For Magnetic Recording App 20170148484 - Zhu; Wenzhong ; et al.	2017-05-25
Heat-assisted magnetic recording device capable of detecting head malfunction based on different currents of sensors Grant 9,653,121 - Chu , et al. May 16, 2	2017-05-16
Interlaced magnetic recording super parity Grant 9,633,675 - Zhu , et al. April 25, 2	2017-04-25
Selective powering techniques for heat assisted magnetic recording Grant 9,626,989 - Buch , et al. April 18, 2	2017-04-18
Laser Adjustment During Field Operation Of A Heat-assisted Magnetic Recording Data Storage Device App 20170092318 - Chu; Alfredo Sam ; et al.	2017-03-30
Enhanced capacity recording Grant 9,607,631 - Rausch , et al. March 28, 2	2017-03-28
Prioritized random access for magnetic recording Grant 9,601,154 - Zhu , et al. March 21, 2	2017-03-21
Laser adjustment during field operation of a heat-assisted magnetic recording data storage device Grant 9,589,587 - Chu , et al. March 7, 2	2017-03-07
Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling Grant 9,548,074 - Li , et al. January 17, 2	2017-01-17
Adaptive HAMR power data storage device Grant 9,530,447 - Gao , et al. December 27, 2	2016-12-27
Heat assisted magnetic recording for bit-patterned media Grant 9,524,743 - Zhu , et al. December 20, 2	2016-12-20
Defining a maximum sequential write duration for a data storage device utilizing heat-assisted recording Grant 9,508,369 - Chu , et al. November 29, 2	2016-11-29
Write management for interlaced magnetic recording devices Grant 9,508,362 - Gao , et al. November 29, 2	2016-11-29
Repeated runout (RRO) compensation for alternating tracks in an interlaced magnetic recording system Grant 9,508,370 - Zhu , et al. November 29, 2	2016-11-29
Apparatus and method for measuring slider fly height relative to bit patterned media Grant 9,502,063 - Zhu , et al. November 22, 2	2016-11-22
Data storage device optimization based on adjacent track interference Grant 9,502,061 - Zhu , et al. November 22, 2	2016-11-22
Adjusting laser power to achieve equivalent track spacing for paired heads that simultaneously write to a heat-assisted recording medium Grant 9,495,995 - Zhu , et al. November 15, 2	2016-11-15
Post-write Scan Operations For Interlaced Magnetic Recording App 20160307595 - Gao; Kaizhong ; et al.	2016-10-20
Media certification with different recording widths Grant 9,472,223 - Mendonsa , et al. October 18, 2	2016-10-18
Defining A Maximum Sequential Write Duration For A Data Storage Device Utilizing Heat-assisted Recording App 20160267930 - Chu; Alfredo Sam ; et al.	2016-09-15
Adaptive HAMR Power Data Storage Device App 20160254020 - Gao; Kaizhong ; et al.	2016-09-01
Read sensor with free layers of different widths sandwiching a SAF structure for extremely high resolution Grant 9,401,162 - Gao , et al. July 26, 2	2016-07-26
Compensation for track misalignment due to degradation of HAMR write head Grant 9,361,920 - Zhu , et al. June 7, 2	2016-06-07
Reader Design For Interlaced Magnetic Recording App 20160148645 - Zhu; Wenzhong ; et al.	2016-05-26
Interlaced Magnetic Recording Super Parity App 20160148625 - Zhu; Wenzhong ; et al.	2016-05-26
Variable Written Track Widths For Attribute-based Storage App 20160148643 - Gao; Kaizhong ; et al.	2016-05-26
Heat Assisted Magnetic Recording For Bit-patterned Media App 20160148635 - Zhu; Wenzhong ; et al.	2016-05-26
Interlaced Magnetic Recording In Hamr Devices App 20160148641 - Gao; Kaizhong ; et al.	2016-05-26
Interlaced Magnetic Recording App 20160148642 - Gao; Kaizhong ; et al.	2016-05-26
Non-sequential Write For Sequential Read Back App 20160147650 - Gao; Kaizhong ; et al.	2016-05-26
Enhanced Capacity Recording App 20160148626 - Rausch; Tim ; et al.	2016-05-26
Prioritized Random Access For Magnetic Recording App 20160148644 - Zhu; Wenzhong ; et al.	2016-05-26
Procedure that achieves a target areal density for a heat-assisted recording medium Grant 9,330,688 - Zhu , et al. May 3, 2	2016-05-03
Post-write scan operations for interlaced magnetic recording Grant 9,324,362 - Gao , et al. April 26, 2	2016-04-26
Read channel optimization using multi-dimensional smoothing Grant 9,311,959 - Fan , et al. April 12, 2	2016-04-12
Laser adjustment during field operation of a heat-assisted magnetic recording data storage device Grant 9,311,951 - Chu , et al. April 12, 2	2016-04-12
Write parameters used to ensure accurate phase lock during reading of a heat-assisted magnetic recording medium Grant 9,240,205 - Gao , et al. January 19, 2	2016-01-19
Data Updating in Non-Volatile Memory App 20150378607 - Chen; Yiran ; et al.	2015-12-31
Data updating in non-volatile memory Grant 9,128,821 - Chen , et al. September 8, 2	2015-09-08
Data storage device with both bit patterned and continuous media Grant 9,111,565 - Gao , et al. August 18, 2	2015-08-18
Random bit generator that applies alternating current (AC) to magnetic tunnel junction to generate a random bit Grant 9,087,593 - Wang , et al. July 21, 2	2015-07-21
Perpendicular Magnetic Recording Media with Magnetic Anisotropy Gradient and Local Exchange Coupling App 20150170697 - Li; Shaoping ; et al.	2015-06-18
Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling Grant 8,962,164 - Li , et al. February 24, 2	2015-02-24
Magnetic stack with oxide to reduce switching current Grant 8,686,524 - Lou , et al. April 1, 2	2014-04-01
STRAM with composite free magnetic element Grant 8,681,539 - Zheng , et al. March 25, 2	2014-03-25
Random Bit Generator With Magnetic Tunnel Junction App 20140022837 - Wang; Xiaobin ; et al.	2014-01-23
Magnetic memory with asymmetric energy barrier Grant 8,634,223 - Zhu , et al. January 21, 2	2014-01-21
Perpendicular Magnetic Recording Media with Magnetic Anisotropy Gradient and Local Exchange Coupling App 20140011053 - Li; Shaoping ; et al.	2014-01-09
Stram With Composite Free Magnetic Element App 20130229862 - Zheng; Yuankai ; et al.	2013-09-05
Spatial correlation of reference cells in resistive memory array Grant 8,526,215 - Chen , et al. September 3, 2	2013-09-03
Quiescent testing of non-volatile memory array Grant 8,526,252 - Li , et al. September 3, 2	2013-09-03
Magnetic stack having reference layers with orthogonal magnetization orientation directions Grant 8,519,498 - Zheng , et al. August 27, 2	2013-08-27
STRAM with compensation element and method of making the same Grant 8,508,005 - Gao , et al. August 13, 2	2013-08-13
Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling Grant 8,501,330 - Li , et al. August 6, 2	2013-08-06
Tunable random bit generator with magnetic tunnel junction Grant 8,495,118 - Wang , et al. July 23, 2	2013-07-23
Pulse writing for bit patterned and continuous media recording Grant 8,477,443 - Gao , et al. July 2, 2	2013-07-02
Magnetic stack with oxide to reduce switching current Grant 8,426,222 - Lou , et al. April 23, 2	2013-04-23
Field assisted switching of a magnetic memory element Grant 8,422,277 - Cao , et al. April 16, 2	2013-04-16
STRAM with composite free magnetic element Grant 8,422,279 - Zheng , et al. April 16, 2	2013-04-16
Magnetic tunnel junction and memristor apparatus Grant 8,391,055 - Wang , et al. March 5, 2	2013-03-05
Magnetic Stack Having Reference Layers With Orthogonal Magnetization Orientation Directions App 20130001720 - Zheng; Yuankai ; et al.	2013-01-03
Asymmetric write current compensation Grant 8,320,169 - Zhu , et al. November 27, 2	2012-11-27
Magnetic stack having reference layers with orthogonal magnetization orientation directions Grant 8,294,227 - Zheng , et al. October 23, 2	2012-10-23
Stram With Compensation Element And Method Of Making The Same App 20120248558 - Gao; Kaizhong ; et al.	2012-10-04
Magnetic Stack With Oxide To Reduce Switching Current App 20120241886 - Lou; Xiaohua ; et al.	2012-09-27
Magnetic Memory With Asymmetric Energy Barrier App 20120201075 - Zhu; Wenzhong ; et al.	2012-08-09
Magnetic stack with oxide to reduce switching current Grant 8,217,478 - Lou , et al. July 10, 2	2012-07-10
Resistive sense memory calibration for self-reference read method Grant 8,213,215 - Chen , et al. July 3, 2	2012-07-03
Spatial Correlation of Reference Cells in Resistive Memory Array App 20120163065 - Chen; Yiran ; et al.	2012-06-28
Voltage reference generation with selectable dummy regions Grant 8,203,862 - Chen , et al. June 19, 2	2012-06-19
Memory cell with proportional current self-reference sensing Grant 8,203,899 - Chen , et al. June 19, 2	2012-06-19
STRAM with compensation element and method of making the same Grant 8,203,192 - Gao , et al. June 19, 2	2012-06-19
Memory cell with enhanced read and write sense margins Grant 8,199,562 - Zhu , et al. June 12, 2	2012-06-12
Spin-transfer torque memory self-reference read method Grant 8,194,444 - Zheng , et al. June 5, 2	2012-06-05
Field Assisted Switching of a Magnetic Memory Element App 20120111952 - Cao; Xin ; et al.	2012-05-10
Magnetic memory with asymmetric energy barrier Grant 8,169,810 - Zhu , et al. May 1, 2	2012-05-01
Asymmetric Write Current Compensation App 20120087175 - Zhu; Wenzhong ; et al.	2012-04-12
Spatial correlation of reference cells in resistive memory array Grant 8,139,397 - Chen , et al. March 20, 2	2012-03-20
Stram With Composite Free Magnetic Element App 20120039115 - Zheng; Yuankai ; et al.	2012-02-16
Perpendicular Magnetic Recording Media with Magnetic Anisotropy Gradient and Local Exchange Coupling App 20120028078 - Li; Shaoping ; et al.	2012-02-02
Asymmetric write current compensation Grant 8,107,282 - Zhu , et al. January 31, 2	2012-01-31
Magnetic Stack With Oxide To Reduce Switching Current App 20120021535 - Lou; Xiaohua ; et al.	2012-01-26
Magnetic Tunnel Junction and Memristor Apparatus App 20120014175 - Wang; Xiaobin ; et al.	2012-01-19
Magnetic tunnel junction and memristor apparatus Grant 8,059,453 - Wang , et al. November 15, 2	2011-11-15
STRAM with compensation element and method of making the same Grant 8,053,255 - Gao , et al. November 8, 2	2011-11-08
Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling Grant 8,048,545 - Li , et al. November 1, 2	2011-11-01
Magnetic Stack Having Reference Layers With Orthogonal Magnetization Orientation Directions App 20110260274 - Zheng; Yuankai ; et al.	2011-10-27
Memory self-reference read and write assist methods Grant 8,045,370 - Zhu , et al. October 25, 2	2011-10-25
STRAM with composite free magnetic element Grant 8,045,366 - Zheng , et al. October 25, 2	2011-10-25
Magnetic stack having reference layers with orthogonal magnetization orientation directions Grant 7,999,338 - Zheng , et al. August 16, 2	2011-08-16
Stram With Compensation Element And Method Of Making The Same App 20110194343 - Gao; Kaizhong ; et al.	2011-08-11
Spin-transfer torque memory self-reference read and write assist methods Grant 7,961,509 - Zhu , et al. June 14, 2	2011-06-14
Asymmetric Write Current Compensation App 20110134688 - Zhu; Wenzhong ; et al.	2011-06-09
Resistive Sense Memory Calibration for Self-Reference Read Method App 20110122679 - Chen; Yiran ; et al.	2011-05-26
Magnetic Tunnel Junction and Memristor Apparatus App 20110116303 - Wang; Xiaobin ; et al.	2011-05-19
Spin-transfer Torque Memory Self-reference Read Method App 20110085373 - Zheng; Yuankai ; et al.	2011-04-14
Spatial Correlation of Reference Cells in Resistive Memory Array App 20110080769 - Chen; Yiran ; et al.	2011-04-07
Enhancing Read and Write Sense Margins in a Resistive Sense Element App 20110075471 - Zhu; Wenzhong ; et al.	2011-03-31
Perpendicular Magnetic Recording Media with Magnetic Anisotropy Gradient and Local Exchange Coupling App 20110076516 - Li; Shaoping ; et al.	2011-03-31
Memory Cell With Proportional Current Self-Reference Sensing App 20110058405 - Chen; Yiran ; et al.	2011-03-10
Magnetic tunnel junction and memristor apparatus Grant 7,898,844 - Wang , et al. March 1, 2	2011-03-01
Resistive sense memory calibration for self-reference read method Grant 7,898,838 - Chen , et al. March 1, 2	2011-03-01
Spin-transfer Torque Memory Self-reference Read And Write Assist Methods App 20110026317 - Zhu; Wenzhong ; et al.	2011-02-03
Asymmetric write current compensation Grant 7,881,096 - Zhu , et al. February 1, 2	2011-02-01
Pulse Writing For Bit Patterned And Continuous Media Recording App 20110019300 - Gao; Kaizhong ; et al.	2011-01-27
Spatial correlation of reference cells in resistive memory array Grant 7,876,599 - Chen , et al. January 25, 2	2011-01-25
Stram with self-reference read scheme Grant 7,876,604 - Zheng , et al. January 25, 2	2011-01-25
Magnetic Stack Having Reference Layers With Orthogonal Magnetization Orientation Directions App 20110006385 - Zheng; Yuankai ; et al.	2011-01-13
Memory Self-reference Read And Write Assist Methods App 20100321994 - Zhu; Wenzhong ; et al.	2010-12-23
Enhancing read and write sense margins in a resistive sense element Grant 7,852,660 - Zhu , et al. December 14, 2	2010-12-14
Memory cell with proportional current self-reference sensing Grant 7,852,665 - Chen , et al. December 14, 2	2010-12-14
Perpendicular magnetic recording media with magnetic anisotropy/coercivity gradient and local exchange coupling Grant 7,846,564 - Li , et al. December 7, 2	2010-12-07
Spin-transfer torque memory self-reference read and write assist methods Grant 7,826,260 - Zhu , et al. November 2, 2	2010-11-02
Spin-transfer torque memory self-reference read and write assist methods Grant 7,813,168 - Zhu , et al. October 12, 2	2010-10-12
Quiescent Testing of Non-Volatile Memory Array App 20100238700 - Li; Hai ; et al.	2010-09-23
Stram With Compensation Element And Method Of Making The Same App 20100226169 - Gao; Kaizhong ; et al.	2010-09-09
Data Storage Device With Both Bit Patterned And Continuous Media App 20100182713 - Gao; Kaizhong ; et al.	2010-07-22
STRAM with Self-Reference Read Scheme App 20100110784 - Zheng; Yuankai ; et al.	2010-05-06
Tunable Random Bit Generator with Magnetic Tunnel Junction App 20100109660 - Wang; Xiaobin ; et al.	2010-05-06
Magnetic Tunnel Junction and Memristor Apparatus App 20100109656 - Wang; Xiaobin ; et al.	2010-05-06
Resistive Sense Memory Calibration for Self-Reference Read Method App 20100110760 - Chen; Yiran ; et al.	2010-05-06
Stram With Composite Free Magnetic Element App 20100109108 - Zheng; Yuankai ; et al.	2010-05-06
Memory Cell With Proportional Current Self-Reference Sensing App 20100110785 - Chen; Yiran ; et al.	2010-05-06
Spatial Correlation of Reference Cells in Resistive Memory Array App 20100110761 - Chen; Yiran ; et al.	2010-05-06
Spin-transfer Torque Memory Self-reference Read And Write Assist Methods App 20100103729 - Zhu; Wenzhong ; et al.	2010-04-29
Spin-transfer Torque Memory Self-reference Read And Write Assist Methods App 20100103728 - Zhu; Wenzhong ; et al.	2010-04-29
Magnetic Stack With Oxide To Reduce Switching Current App 20100090301 - Lou; Xiaohua ; et al.	2010-04-15
Voltage Reference Generation with Selectable Dummy Regions App 20100091550 - Chen; Yiran ; et al.	2010-04-15
Data Updating In Non-volatile Memory App 20100095052 - Chen; Yiran ; et al.	2010-04-15
Magnetic Memory With Asymmetric Energy Barrier App 20100084725 - Zhu; Wenzhong ; et al.	2010-04-08
Enhancing Read and Write Sense Margins in a Resistive Sense Element App 20100085796 - Zhu; Wenzhong ; et al.	2010-04-08
Asymmetric Write Current Compensation App 20100085795 - Zhu; Wenzhong ; et al.	2010-04-08
Perpendicular writer with reduced side track writing Grant 7,333,294 - Li , et al. February 19, 2	2008-02-19
Anti-ferromagnetically coupled granular-continuous magnetic recording media Grant 7,201,977 - Li , et al. April 10, 2	2007-04-10
Perpendicular magnetic recording media with magnetic anisotropy/coercivity gradient and local exchange coupling App 20070072011 - Li; Shaoping ; et al.	2007-03-29
Anti-ferromagnetically coupled granular-continuous magnetic recording media App 20050214585 - Li, Shaoping ; et al.	2005-09-29
Microactuator for dynamic controlling head-media interaction and fly-height Grant 6,760,181 - Li , et al. July 6, 2	2004-07-06
Microactuator for dynamic controlling head-media interaction and fly-height App 20020105750 - Li, Shaoping ; et al.	2002-08-08

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