Chen; Yingjian

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chen; Yingjian.The latest application filed is for "current-assisted magnetic recording write head with wide conductive element in the write gap".

Company Profile

2.88.19

Chen; Yingjian - Fremont CA
Chen; Yingjian - Pittsburgh PA

*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
Current-assisted magnetic recording write head with wide conductive element in the write gap Grant 10,943,616 - Asif Bashir , et al. March 9, 2	2021-03-09
Current-assisted Magnetic Recording Write Head With Wide Conductive Element In The Write Gap App 20200402532 - ASIF BASHIR; Muhammad ; et al.	2020-12-24
Current-assisted magnetic recording write head with wide conductive element in the write gap Grant 10,839,844 - Asif Bashir , et al. November 17, 2	2020-11-17
Write head having a monolithic side sheild and leading shield Grant 10,468,054 - Shin , et al. No	2019-11-05
Perpendicular magnetic recording write head having a wrap around shield Grant 8,995,087 - Chen , et al. March 31, 2	2015-03-31
Magnetic Write Head Having A Write Pole With A Constant Flare Angle And Multiple Yoke Angles App 20140268420 - Chen; Yingjian ; et al.	2014-09-18
Method for manufacturing wraparound shield write head using hard masks Grant 8,801,943 - Huang , et al. August 12, 2	2014-08-12
Perpendicular magnetic recording head having reduced shield notching Grant 8,797,680 - Luo , et al. August 5, 2	2014-08-05
Method for providing a perpendicular magnetic recording (PMR)head Grant 8,689,430 - Chen , et al. April 8, 2	2014-04-08
Magnetic write head manufactured by an enhanced damascene process producing a tapered write pole with a non-magnetic spacer and non-magnetic bump Grant 8,547,660 - Allen , et al. October 1, 2	2013-10-01
Use of magnetic material for RIE stop layer during damascene main pole formation Grant 8,508,886 - Chen , et al. August 13, 2	2013-08-13
Perpendicular write head with wrap around shield and conformal side gap Grant 8,470,186 - Chen , et al. June 25, 2	2013-06-25
Disk having an underlayer that includes a plurality of nonmagnetic layers interleaved with magnetic layers Grant 8,455,119 - Jiang , et al. June 4, 2	2013-06-04
Perpendicular magnetic write head with wrap-around shield, slanted pole and slanted pole bump fabricated by damascene process Grant 8,441,757 - Chen , et al. May 14, 2	2013-05-14
Method for manufacturing a pole for a magnetic recording head Grant 8,424,192 - Yang , et al. April 23, 2	2013-04-23
Use Of Magnetic Material For Rie Stop Layer During Damascene Main Pole Formation App 20130078483 - CHEN; Yingjian ; et al.	2013-03-28
Process to make PMR writer with leading edge shield (LES) and leading edge taper (LET) Grant 8,400,733 - Shin , et al. March 19, 2	2013-03-19
Method For Manufacturing Wraparound Shield Write Head Using Hard Masks App 20130026131 - Huang; Shiwen ; et al.	2013-01-31
Method for manufacturing a perpendicular magnetic recording transducer Grant 8,333,008 - Sin , et al. December 18, 2	2012-12-18
Integrated touch-down pad and touch-down sensor Grant 8,335,053 - Chen , et al. December 18, 2	2012-12-18
Method and system for providing a high moment film Grant 8,320,077 - Tang , et al. November 27, 2	2012-11-27
PMR writer having a tapered write pole and bump layer and method of fabrication Grant 8,233,235 - Chen , et al. July 31, 2	2012-07-31
Method and system for providing a magnetic recording transducer having side shields Grant 8,231,796 - Li , et al. July 31, 2	2012-07-31
Method for manufacturing a magnetic write head having a wrap around shield that is magnetically coupled with a leading magnetic shield Grant 8,201,320 - Allen , et al. June 19, 2	2012-06-19
Process To Make Pmr Writer With Leading Edge Shield (les) And Leading Edge Taper (let) App 20120127612 - Shin; Kyusik ; et al.	2012-05-24
Perpendicular Write Head With Wrap Around Shield And Conformal Side Gap App 20120125885 - CHEN; YINGJIAN ; et al.	2012-05-24
Integrated Touch-down Pad And Touch-down Sensor App 20120105999 - Chen; Yingjian ; et al.	2012-05-03
Method for providing a perpendicular magnetic recording (PMR) transducer Grant 8,146,236 - Luo , et al. April 3, 2	2012-04-03
Perpendicular magnetic recording head having a pole tip formed with a CMP uniformity structure Grant 8,149,536 - Yang , et al. April 3, 2	2012-04-03
Method for providing a perpendicular magnetic recording (PMR) transducer Grant 8,079,135 - Shen , et al. December 20, 2	2011-12-20
Magnetic element having a smaller critical dimension of the free layer Grant 8,081,403 - Chen , et al. December 20, 2	2011-12-20
Perpendicular magnetic recording head having a recessed magnetic base layer Grant 8,077,434 - Shen , et al. December 13, 2	2011-12-13
Magnetic recording head formed by damascene process Grant 8,018,677 - Chung , et al. September 13, 2	2011-09-13
Magnetically soft, high saturation magnetization laminate of iron-cobalt-nitrogen and iron-nickel for perpendicular media underlayers Grant 7,968,219 - Jiang , et al. June 28, 2	2011-06-28
Method For Manufacturing A Magnetic Write Head Having A Wrap Around Shield That Is Magnetically Coupled With A Leading Magnetic Shield App 20110146062 - Allen; Donald G. ; et al.	2011-06-23
Magnetic Write Head Manufactured By An Enhanced Damascene Process Producing A Tapered Write Pole With A Non-magnetic Spacer And Non-magnetic Bump App 20110151279 - Allen; Donald G. ; et al.	2011-06-23
Perpendicular Magnetic Write Head With Wrap-around Shield, Slanted Pole And Slanted Pole Bump Fabricated By Damascene Process App 20110134567 - Chen; Yingjian ; et al.	2011-06-09
Pmr Writer And Method Of Fabrication App 20110134568 - CHEN; YINGJIAN ; et al.	2011-06-09
Method and system for cleaning magnetic artifacts using a carbonyl reactive ion etch Grant 7,819,979 - Chen , et al. October 26, 2	2010-10-26
Method for fabricating magnetoresistive read head having a bias structure with at least one dusting layer Grant 7,691,434 - Zhang , et al. April 6, 2	2010-04-06
Laminated perpendicular writer head including amorphous metal Grant 7,672,080 - Tang , et al. March 2, 2	2010-03-02
Magnetic sensor with underlayers promoting high-coercivity, in-plane bias layers Grant 7,639,457 - Chen , et al. December 29, 2	2009-12-29
Electrical lapping guide disposed laterally relative to a shield pedestal Grant 7,554,767 - Hu , et al. June 30, 2	2009-06-30
Magnetic write head with high moment magnetic thin film formed over seed layer Grant 7,522,377 - Jiang , et al. April 21, 2	2009-04-21
Method of manufacturing a magnetic recording transducer Grant 7,493,688 - Wang , et al. February 24, 2	2009-02-24
Nanotube spin valve and method of producing the same Grant 7,466,523 - Chen December 16, 2	2008-12-16
Damascene process for fabricating poles in recording heads Grant 7,444,740 - Chung , et al. November 4, 2	2008-11-04
Method and system for providing a smaller critical dimension magnetic element utilizing a single layer mask Grant 7,419,891 - Chen , et al. September 2, 2	2008-09-02
Inductive writer design using a soft magnetic pedestal having a high magnetic saturation layer Grant 7,375,926 - Stoev , et al. May 20, 2	2008-05-20
Magnetically soft, high saturation magnetization laminate of iron-cobalt-nitrogen and iron-nickel for perpendicular media underlayers Grant 7,354,664 - Jiang , et al. April 8, 2	2008-04-08
Magnetoresistive read head having a bias structure with at least one dusting layer Grant 7,342,752 - Zhang , et al. March 11, 2	2008-03-11
Inductive writer design for using a soft magnetic pedestal having a high magnetic saturation layer Grant 7,310,204 - Stoev , et al. December 18, 2	2007-12-18
Method for manufacturing a perpendicular magnetic recording head Grant 7,296,339 - Yang , et al. November 20, 2	2007-11-20
Spin valve sensors having synthetic antiferromagnet for longitudinal bias Grant 7,289,303 - Sin , et al. October 30, 2	2007-10-30
GMR sensor with shallow contiguous junction and bias layers aligned with free sensor layers Grant 7,286,329 - Chen , et al. October 23, 2	2007-10-23
Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel for magnetic head pole layers Grant 7,177,117 - Jiang , et al. February 13, 2	2007-02-13
Double-nosed inductive transducer with reduced off-track writing Grant 7,113,366 - Wang , et al. September 26, 2	2006-09-26
Electronic device utilizing magnetic nanotubes Grant 7,063,753 - Chen , et al. June 20, 2	2006-06-20
Spin-dependent tunneling read/write sensor for hard disk drives Grant 7,027,274 - Sin , et al. April 11, 2	2006-04-11
Method for making high speed, high areal density inductive write structure Grant 7,007,372 - Chen , et al. March 7, 2	2006-03-07
Nanotube with at least a magnetic nanoparticle attached to the nanotube's exterior sidewall and electronic devices made thereof Grant 6,987,302 - Chen , et al. January 17, 2	2006-01-17
Thin film write head having a laminated, flat top pole with bottom shaper and method of fabrication Grant 6,975,486 - Chen , et al. December 13, 2	2005-12-13
Insulation layer structure for inductive write heads and method of fabrication Grant 6,958,885 - Chen , et al. October 25, 2	2005-10-25
Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor Grant 6,943,993 - Chang , et al. September 13, 2	2005-09-13
Coil inductive writer having a low inductance and short yoke length Grant 6,940,688 - Jiang , et al. September 6, 2	2005-09-06
Method and system for providing dynamic actuation of a write head using a strain element Grant 6,934,113 - Chen August 23, 2	2005-08-23
Writer with a hot seed zero throat and substantially flat top pole Grant 6,912,106 - Chen , et al. June 28, 2	2005-06-28
Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the same Grant 6,906,894 - Chen , et al. June 14, 2	2005-06-14
Write head with high moment film layer having tapered portion extending beyond write gap layer Grant 6,873,494 - Chen , et al. March 29, 2	2005-03-29
Inductive writer with flat top pole and pedestal defined zero throat Grant 6,870,712 - Chen , et al. March 22, 2	2005-03-22
Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the same App 20050007696 - Chen, Yingjian ; et al.	2005-01-13
Magnetic heads for perpendicular recording with trapezoidal pole tips Grant 6,809,899 - Chen , et al. October 26, 2	2004-10-26
Data storage and retrieval apparatus with thin film read head having a planar sensor element and an extra gap and method of fabrication thereof Grant 6,801,408 - Chen , et al. October 5, 2	2004-10-05
Perpendicular recording write head having a recessed magnetic adjunct pole and method of making the same Grant 6,791,793 - Chen , et al. September 14, 2	2004-09-14
Method for providing pedestal-defined zero throat writer Grant 6,785,955 - Chen , et al. September 7, 2	2004-09-07
Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel Grant 6,778,358 - Jiang , et al. August 17, 2	2004-08-17
Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor App 20040156148 - Chang, Thomas Young ; et al.	2004-08-12
Method of making transducer with inorganic nonferromagnetic apex region Grant 6,737,281 - Dang , et al. May 18, 2	2004-05-18
Coil inductive writer having a low inductance and short yoke length App 20040075943 - Jiang, Hai ; et al.	2004-04-22
Thin film writer with multiplayer write gap Grant 6,724,569 - Chen , et al. April 20, 2	2004-04-20
Inductive transducer with recessed leading pole layer Grant 6,724,572 - Stoev , et al. April 20, 2	2004-04-20
Inductive transducer with stitched pole tip and pedestal defining zero throat height Grant 6,721,138 - Chen , et al. April 13, 2	2004-04-13
Read/write head coil tap having upper and lower portions Grant 6,700,738 - Sin , et al. March 2, 2	2004-03-02
Thin film write head having a laminated, flat top pole with bottom shaper and method of fabrication App 20040027716 - Chen, Yingjian ; et al.	2004-02-12
Inductive write head including a thin high moment pedestal having a tapered edge Grant 6,650,503 - Chen , et al. November 18, 2	2003-11-18
Inductive write head structure incorporating a high moment film in conjunction with at least one pole for use with magnetic storage media and a process for producing the same App 20030202278 - Chen, Yingjian ; et al.	2003-10-30
High speed, high areal density inductive writer Grant 6,618,223 - Chen , et al. September 9, 2	2003-09-09
Inductive writer with flat top pole and pedestal defined zero throat App 20020181162 - Chen, Yingjian ; et al.	2002-12-05
Method for manufacturing an inductive write element employing bi-layer photoresist to define a thin high moment pole pedestal Grant 6,430,806 - Chen , et al. August 13, 2	2002-08-13
High resistivity FeXN sputtered films for magnetic storage devices and method of fabrication Grant 6,410,170 - Chen , et al. June 25, 2	2002-06-25
Magnetoresistive sensor having hard biased current perpendicular to the plane sensor Grant 6,353,318 - Sin , et al. March 5, 2	2002-03-05
Thin film write head for improved high speed and high density recording Grant 6,353,511 - Shi , et al. March 5, 2	2002-03-05
Thin film write head with improved laminated flux carrying structure and method of fabrication Grant 6,233,116 - Chen , et al. May 15, 2	2001-05-15
Bias layers which are formed on underlayers promoting in-plane alignment of the c-axis of cobalt used in magnetoresistive transducers Grant 6,185,081 - Simion , et al. February 6, 2	2001-02-06
Magnetic thin film ferrite having a ferrite underlayer Grant 6,037,052 - Chen , et al. March 14, 2	2000-03-14