| Patent | Date |
|---|
Magnetic Head With Assisted Magnetic Recording And Method Of Making Thereof
App 20220238135 - BAI; Zhigang ; et al. | 2022-07-28 |
Magnetic Head With Assisted Magnetic Recording And Method Of Making Thereof
App 20220208220 - BAI; Zhigang ; et al. | 2022-06-30 |
Magnetic head with assisted magnetic recording
Grant 11,373,675 - Bai , et al. June 28, 2 | 2022-06-28 |
Energy Assisted Magnetic Recording Head Having Improved Areal Density Capability
App 20220108715 - SONG; Suping ; et al. | 2022-04-07 |
Area density capacity improvement with negative anisotropic magnetic material trailing shield notch
Grant 11,264,052 - Song , et al. March 1, 2 | 2022-03-01 |
Energy assisted magnetic recording head having improved areal density capability
Grant 11,227,627 - Song , et al. January 18, 2 | 2022-01-18 |
Spin orbital torque based microwave assisted magnetic recording with dual spin hall layers or wrap around spin hall layer
Grant 11,170,804 - Li , et al. November 9, 2 | 2021-11-09 |
Magnetic recording head soft error rate improvement with compact main pole
Grant 11,087,783 - Song , et al. August 10, 2 | 2021-08-10 |
Magnetic head with assisted magnetic recording and method of making thereof
Grant 11,017,801 - Chembrolu , et al. May 25, 2 | 2021-05-25 |
Magnetic head with assisted magnetic recording and method of making thereof
Grant 11,017,802 - Chembrolu , et al. May 25, 2 | 2021-05-25 |
Spin orbital torque via spin hall effect based energy assisted magnetic recording
Grant 10,997,991 - Song , et al. May 4, 2 | 2021-05-04 |
Magnetic Head With Assisted Magnetic Recording And Method Of Making Thereof
App 20210125631 - BAI; Zhigang ; et al. | 2021-04-29 |
Magnetic recording write head with selected write gap current direction for minimization of cross-track interference
Grant 10,957,348 - Bai , et al. March 23, 2 | 2021-03-23 |
Spin Orbital Torque Based Microwave Assisted Magnetic Recording With Dual Spin Hall Layers Or Wrap Around Spin Hall Layer
App 20210082458 - LI; Zhanjie ; et al. | 2021-03-18 |
Magnetic Recording Devices Using Virtual Side Shields for Improved Areal Density Capability
App 20210074322 - SONG; Suping ; et al. | 2021-03-11 |
Magnetic head with current assisted magnetic recording and method of making thereof
Grant 10,896,690 - Bai , et al. January 19, 2 | 2021-01-19 |
Magnetic head with assisted magnetic recording and method of making thereof
Grant 10,891,975 - Bai , et al. January 12, 2 | 2021-01-12 |
Magnetic head with current assisted magnetic recording and method of making thereof
Grant 10,891,974 - Chembrolu , et al. January 12, 2 | 2021-01-12 |
Spin Orbital Torque Based Energy Assisted Magnetic Recording
App 20200411039 - SONG; Suping ; et al. | 2020-12-31 |
Spin orbital torque based microwave assisted magnetic recording with dual spin hall layers or wrap around spin hall layer
Grant 10,867,626 - Li , et al. December 15, 2 | 2020-12-15 |
Write heads configured to redirect current
Grant 10,861,485 - Asif Bashir , et al. December 8, 2 | 2020-12-08 |
Write Heads Configured To Redirect Current
App 20200381011 - ASIF BASHIR; Muhammad ; et al. | 2020-12-03 |
Magnetic Head With Assisted Magnetic Recording And Method Of Making Thereof
App 20200381012 - CHEMBROLU; Venkatesh ; et al. | 2020-12-03 |
Magnetic recording devices using virtual side shields for improved areal density capability
Grant 10,832,710 - Song , et al. November 10, 2 | 2020-11-10 |
Magnetic Recording Write Head With Selected Write Gap Current Direction For Minimization Of Cross-track Interference
App 20200327900 - BAI; Zhigang ; et al. | 2020-10-15 |
Spin orbital torque via spin hall effect based energy assisted magnetic recording
Grant 10,789,977 - Song , et al. September 29, 2 | 2020-09-29 |
Write heads configured to redirect current
Grant 10,777,219 - Asif Bashir , et al. Sept | 2020-09-15 |
Magnetic recording write head with selected write gap current direction for minimization of cross-track interference
Grant 10,699,734 - Bai , et al. | 2020-06-30 |
Current-assisted magnetic recording write head with improved write gap structure
Grant 10,679,650 - Bai , et al. | 2020-06-09 |
Current-assisted Magnetic Recording Write Head With Improved Write Gap Structure
App 20200005815 - BAI; Zhigang ; et al. | 2020-01-02 |
Magnetic Recording Write Head With Selected Write Gap Current Direction For Minimization Of Cross-track Interference
App 20190267029 - BAI; Zhigang ; et al. | 2019-08-29 |
Data storage device coding out ambiguity in three-dimensional magnetic recording
Grant 10,276,208 - Bai , et al. | 2019-04-30 |
Method of forming a non-uniform write gap perpendicular writer for shingle writing
Grant 9,741,368 - Guan August 22, 2 | 2017-08-22 |
Method of forming a writer with an AFM write gap
Grant 9,336,799 - Min , et al. May 10, 2 | 2016-05-10 |
Multiple-input-multiple-output Sensor Designs For Magnetic Applications
App 20160055868 - Gao; Zheng ; et al. | 2016-02-25 |
PMR writer with patterned shields for adjacent track erasure improvement
Grant 9,082,433 - Tang , et al. July 14, 2 | 2015-07-14 |
Graded bevel tapered write pole design for field enhancement
Grant 9,070,383 - Guan , et al. June 30, 2 | 2015-06-30 |
Non-uniform write gap perpendicular writer for shingle writing
Grant 9,013,830 - Guan April 21, 2 | 2015-04-21 |
Graded bevel tapered write pole design for field enhancement
Grant 8,970,985 - Guan , et al. March 3, 2 | 2015-03-03 |
Non-Uniform Write Gap Perpendicular Writer for Shingle Writing
App 20150055252 - Guan; Lijie | 2015-02-26 |
High data rate writer design
Grant 8,929,029 - Min , et al. January 6, 2 | 2015-01-06 |
Non-uniform write gap perpendicular writer for shingle writing
Grant 8,896,965 - Guan November 25, 2 | 2014-11-25 |
High Data Rate Writer Design
App 20140307348 - Min; Tai ; et al. | 2014-10-16 |
PMR write head with modified main pole shape to minimize adjacent track interference
Grant 8,804,281 - Tang , et al. August 12, 2 | 2014-08-12 |
Perpendicular magnetic medium with shields between tracks
Grant 8,795,763 - Zhou , et al. August 5, 2 | 2014-08-05 |
Shield designs with internal magnetization control for ATE improvement
Grant 8,755,149 - Song , et al. June 17, 2 | 2014-06-17 |
Graded Bevel Tapered Write Pole Design for Field Enhancement
App 20140111887 - Guan; Lijie ; et al. | 2014-04-24 |
Graded Bevel Tapered Write Pole Design for Field Enhancement
App 20140111886 - Guan; Lijie ; et al. | 2014-04-24 |
Magnetic recording head having a dual sidewall angle
Grant 8,705,205 - Li , et al. April 22, 2 | 2014-04-22 |
Shield Designs with Internal Magnetization Control for ATE Improvement
App 20140078619 - Song; Suping ; et al. | 2014-03-20 |
Method of Forming a Writer with an AFM Write Gap
App 20140037861 - Min; Tai ; et al. | 2014-02-06 |
Non-Uniform Write Gap Perpendicular Writer for Shingle Writing
App 20140016232 - Guan; Lijie | 2014-01-16 |
Method of Forming a Non-Uniform Write Gap Perpendicular Writer for Shingle Writing
App 20140014617 - Guan; Lijie | 2014-01-16 |
Graded bevel tapered write pole design for field enhancement
Grant 8,625,234 - Guan , et al. January 7, 2 | 2014-01-07 |
PMR head with integrated side shield (ISS)
Grant 8,614,860 - Han , et al. December 24, 2 | 2013-12-24 |
Writer with an AFM write gap
Grant 8,564,903 - Min , et al. October 22, 2 | 2013-10-22 |
Perpendicular magnetic recoding head with a laminated pole
Grant 8,559,132 - Takano , et al. October 15, 2 | 2013-10-15 |
Non-uniform write gap perpendicular writer for shingle writing
Grant 8,542,463 - Guan September 24, 2 | 2013-09-24 |
Superior performance head design with minimized ATE and WATE
Grant 8,498,079 - Song , et al. July 30, 2 | 2013-07-30 |
Writer design with enhanced writability
Grant 8,456,778 - Min , et al. June 4, 2 | 2013-06-04 |
Method and system for providing a perpendicular magnetic recording pole with a multi-layer side gap
Grant 8,444,866 - Guan , et al. May 21, 2 | 2013-05-21 |
High data rate magnetic writer design
Grant 8,446,689 - Min , et al. May 21, 2 | 2013-05-21 |
Method for utilizing an electronic lapping guide for a beveled pole in a magnetic recording transducer
Grant 8,443,510 - Shi , et al. May 21, 2 | 2013-05-21 |
Method for fabricating a pole of a magnetic transducer
Grant 8,375,564 - Luo , et al. February 19, 2 | 2013-02-19 |
Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer
Grant 8,379,347 - Guan , et al. February 19, 2 | 2013-02-19 |
High Data Rate Magnetic Writer Design
App 20130027809 - Min; Tai ; et al. | 2013-01-31 |
Perpendicular recording device having reduced sensitivity to external fields
Grant 8,345,388 - Guan , et al. January 1, 2 | 2013-01-01 |
Non-uniform write gap perpendicular writer for shingle writing
App 20120314324 - Guan; Lijie | 2012-12-13 |
Writer design with enhanced writability
App 20120295132 - Min; Tai ; et al. | 2012-11-22 |
Writer with an AFM write gap
App 20120295133 - Min; Tai ; et al. | 2012-11-22 |
Pmr Write Head With Assisted Magnetic Layer
App 20120257305 - Tang; Yuhui ; et al. | 2012-10-11 |
PMR write head with assisted magnetic layer
Grant 8,284,516 - Tang , et al. October 9, 2 | 2012-10-09 |
Systems and methods for providing magnetic recording heads adapted for writing shingled tracks
Grant 8,264,798 - Guan , et al. September 11, 2 | 2012-09-11 |
Double rie damascene process for nose length control
Grant 8,257,597 - Guan , et al. September 4, 2 | 2012-09-04 |
PMR write head with narrow gap for minimal internal flux loss
Grant 8,238,059 - Tang , et al. August 7, 2 | 2012-08-07 |
Perpendicular magnetic recording head with a bottom side shield
Grant 8,189,295 - Han , et al. May 29, 2 | 2012-05-29 |
Method and system for providing a write pole in an energy assisted magnetic recording disk drive
Grant 8,164,855 - Gibbons , et al. April 24, 2 | 2012-04-24 |
PMR head with integrated side shield (ISS)
App 20120069470 - Han; Cherng-Chyi ; et al. | 2012-03-22 |
Perpendicular magnetic recoding head with a laminated pole
App 20120057257 - Takano; Kenichi ; et al. | 2012-03-08 |
Optimized write pole flare angle for side shield or semi side shield PMR writer application
Grant 8,094,419 - Guan January 10, 2 | 2012-01-10 |
Perpendicular magnetic recording head with a laminated pole
Grant 8,059,366 - Takano , et al. November 15, 2 | 2011-11-15 |
Method to reduce sensitivity of a magnetic read-write head to external magnetic fields
Grant 8,059,371 - Guan , et al. November 15, 2 | 2011-11-15 |
Method to make PMR head with integrated side shield (ISS)
Grant 8,056,213 - Han , et al. November 15, 2 | 2011-11-15 |
Perpendicular magnetic recording head with a bottom side shield
App 20110261486 - Han; Cherng-Chyi ; et al. | 2011-10-27 |
Perpendicular magnetic recording write head with a side shield
Grant 8,035,930 - Takano , et al. October 11, 2 | 2011-10-11 |
Composite shield structure of PMR writer for high track density
Grant 8,023,231 - Guan , et al. September 20, 2 | 2011-09-20 |
Optimized write pole flare angle for side shield or semi side shield PMR writer application
Grant 8,018,676 - Guan September 13, 2 | 2011-09-13 |
Method to make a perpendicular magnetic recording head with a bottom side shield
Grant 7,978,431 - Han , et al. July 12, 2 | 2011-07-12 |
Optimized write pole flare angle for side shield or semi side shield PMR writer application
App 20110116190 - Guan; Lijie | 2011-05-19 |
Optimized write pole flare angle for side shield or semi side shiel PMR writer application
App 20110102941 - Guan; Lijie | 2011-05-05 |
Process to manufacture a magnetic write head
Grant 7,934,310 - Guan , et al. May 3, 2 | 2011-05-03 |
Method of manufacturing a thin film magnetic head structure
Grant 7,921,544 - Sasaki , et al. April 12, 2 | 2011-04-12 |
Magnetic head having angled pole portions
Grant 7,916,425 - Sasaki , et al. March 29, 2 | 2011-03-29 |
Perpendicular recording device having reduced sensitivity to external fields
App 20110058283 - Guan; Lijie ; et al. | 2011-03-10 |
Method to reduce sensitivity of a magnetic read-write head to external magnetic fields
App 20110051285 - Guan; Lijie ; et al. | 2011-03-03 |
Four sided shield structure for a perpendicular write head
Grant 7,898,766 - Guan , et al. March 1, 2 | 2011-03-01 |
Optimized write pole flare angle for side shield or semi side shield PMR writer application
Grant 7,872,835 - Guan January 18, 2 | 2011-01-18 |
Composite shield structure of PMR writer for high track density
App 20100328816 - Guan; Lijie ; et al. | 2010-12-30 |
Method to reduce sensitivity of a perpendicular recording head to external fields
Grant 7,848,062 - Guan , et al. December 7, 2 | 2010-12-07 |
Composite shield structure of PMR writer for high track density
Grant 7,804,666 - Guan , et al. September 28, 2 | 2010-09-28 |
Shield shape for a perpendicular recording head including partly sloped lower tabs
Grant 7,791,842 - Guan , et al. September 7, 2 | 2010-09-07 |
Perpendicular write head with tapered main pole
Grant 7,777,987 - Guan , et al. August 17, 2 | 2010-08-17 |
Perpendicular write head with tapered main pole
Grant 7,777,988 - Guan , et al. August 17, 2 | 2010-08-17 |
Thin-film magnetic head, method of manufacturing the same, head Gimbal assembly, and hard disk drive
Grant 7,718,218 - Sasaki , et al. May 18, 2 | 2010-05-18 |
Method to reduce sensitivity of a perpendicular recording head to external fields
App 20100027162 - Guan; Lijie ; et al. | 2010-02-04 |
Modified shield shape for perpendicular recording head to reduce sensitivity to external fields
App 20090323229 - Guan; Lijie ; et al. | 2009-12-31 |
Graded bevel tapered write pole design for field enhancement
App 20090268344 - Guan; Lijie ; et al. | 2009-10-29 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same
Grant 7,609,479 - Sasaki , et al. October 27, 2 | 2009-10-27 |
Magnetic read-write head shield that prevents flux concentration at edges close to the ABS
Grant 7,599,152 - Guan , et al. October 6, 2 | 2009-10-06 |
Thin-film magnetic head, a head gimbal assembly and hard disk drive
Grant 7,580,222 - Sasaki , et al. August 25, 2 | 2009-08-25 |
Perpendicular write head with tapered main pole
App 20090207525 - Guan; Lijie ; et al. | 2009-08-20 |
Perpendicular write head with tapered main pole
App 20090201611 - Guan; Lijie ; et al. | 2009-08-13 |
Perpendicular write head with tapered main pole
App 20090202728 - GUAN; LIJIE ; et al. | 2009-08-13 |
Perpendicular magnetic medium with shields between tracks
App 20090166184 - Zhou; Yuchen ; et al. | 2009-07-02 |
Perpendicular magnetic recording write head with a side shield
App 20090091861 - Takano; Kenichi ; et al. | 2009-04-09 |
Method to make PMR head with integrated side shield (ISS)
App 20090091862 - Han; Cherng Chyi ; et al. | 2009-04-09 |
Perpendicular magnetic recording head with a laminated pole
App 20090021868 - Takano; Kenichi ; et al. | 2009-01-22 |
Thin-film magnetic head, method of manufacturing the same, head Gimbal assembly, and hard disk drive
App 20090017198 - Sasaki; Yoshitaka ; et al. | 2009-01-15 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same
App 20080316653 - Sasaki; Yoshitaka ; et al. | 2008-12-25 |
Method to make a perpendicular magnetic recording head with a bottom side shield
App 20080297945 - Han; Cherng-Chyi ; et al. | 2008-12-04 |
Method to form tapered magnetic shield for perpendicular recording head
Grant 7,460,342 - Guan , et al. December 2, 2 | 2008-12-02 |
Optimized write pole flare angle for side shield or semi side shield PMR writer application
App 20080273276 - Guan; Lijie | 2008-11-06 |
Composite shield structure of PMR writer for high track density
App 20080273277 - Guan; Lijie ; et al. | 2008-11-06 |
Thin-film magnetic head having a write shield layer
Grant 7,440,229 - Sasaki , et al. October 21, 2 | 2008-10-21 |
Thin film magnetic head structure adapted to manufacture a thin film magnetic head
App 20080254208 - Sasaki; Yoshitaka ; et al. | 2008-10-16 |
Thin laminated single pole perpendicular write head
Grant 7,420,780 - Ju , et al. September 2, 2 | 2008-09-02 |
Thin film magnetic head structure, adapted to manufacture a thin film magnetic head
Grant 7,417,825 - Sasaki , et al. August 26, 2 | 2008-08-26 |
Four sided shield structure for a perpendicular write head
App 20080112082 - Guan; Lijie ; et al. | 2008-05-15 |
Process and structure for a perpendicular writer having an exchange coupling discontinuity
Grant 7,327,533 - Guan February 5, 2 | 2008-02-05 |
Process of manufacturing a four-sided shield structure for a perpendicular write head
Grant 7,322,095 - Guan , et al. January 29, 2 | 2008-01-29 |
Return pole field reduction for perpendicular write head
Grant 7,289,295 - Guan , et al. October 30, 2 | 2007-10-30 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same
App 20070211377 - Sasaki; Yoshitaka ; et al. | 2007-09-13 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same
Grant 7,193,816 - Sasaki , et al. March 20, 2 | 2007-03-20 |
Modified shield shape for a perpendicular recording head to reduce sensitivity to external fields
App 20060245114 - Guan; Lijie ; et al. | 2006-11-02 |
Method to reduce sensitivity of a perpendicular recording head to external fields
App 20060245113 - Guan; Lijie ; et al. | 2006-11-02 |
Thin laminated single pole perpendicular write head
App 20060203382 - Ju; Kochan ; et al. | 2006-09-14 |
Method to form tapered magnetic shield for perpendicular recording head
App 20060203395 - Guan; Lijie ; et al. | 2006-09-14 |
Perpendicular magnetic writer with magnetic potential control shield
Grant 7,106,554 - Guan , et al. September 12, 2 | 2006-09-12 |
Thin laminated single pole perpendicular write head
Grant 7,064,924 - Ju , et al. June 20, 2 | 2006-06-20 |
Thin film magnetic head structure, method of making the same and thin film magnetic head
App 20060103979 - Sasaki; Yoshitaka ; et al. | 2006-05-18 |
Process and structure for a perpendicular writer having an exchange coupling discontinuity
App 20060092567 - Guan; Lijie | 2006-05-04 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same
App 20050280937 - Sasaki, Yoshitaka ; et al. | 2005-12-22 |
Thin-film magnetic head, method of manufacturing the same, head gimbal assembly and hard disk drive
App 20050280939 - Sasaki, Yoshitaka ; et al. | 2005-12-22 |
Thin-film magnetic head, method of manufacturing the same, head gimbal assembly and hard disk drive
App 20050280938 - Sasaki, Yoshitaka ; et al. | 2005-12-22 |
Return pole field reduction for perpendicular write head
App 20050254169 - Guan, Lijie ; et al. | 2005-11-17 |
Four sided shield structure for a perpendicular write head
App 20050237665 - Guan, Lijie ; et al. | 2005-10-27 |
Perpendicular write head with tapered main pole
App 20050219743 - Guan, Lijie ; et al. | 2005-10-06 |
Fully shielded perpendicular recording writer
App 20050083605 - Hu, Hung Liang ; et al. | 2005-04-21 |
Thin laminated single pole perpendicular write head
App 20040264047 - Ju, Kochan ; et al. | 2004-12-30 |
Perpendicular magnetic writer with magnetic potential control shield
App 20040201918 - Guan, Lijie ; et al. | 2004-10-14 |
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