Membership
Tour
Register
Log in
David John Seagle
Follow
Person
Santa Barbara, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Independent reader/writer overcoats for an SGV tape head
Patent number
11,990,162
Issue date
May 21, 2024
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-channel recording head having servo readers proximate to writ...
Patent number
11,862,195
Issue date
Jan 2, 2024
Western Digital Technologies, Inc.
Robert G Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape head with side-shielded writers and process for making same
Patent number
11,776,565
Issue date
Oct 3, 2023
Western Digital Technologies, Inc.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape head design having a null shield for same gap verify
Patent number
11,682,421
Issue date
Jun 20, 2023
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape head design having same gap verify capabilities
Patent number
11,646,053
Issue date
May 9, 2023
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head having same-gap read-after-write
Patent number
11,514,929
Issue date
Nov 29, 2022
Western Digital Technologies, Inc.
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device using laterally offset read element to compensa...
Patent number
11,373,683
Issue date
Jun 28, 2022
Western Digital Technologies, Inc.
Mark L. Watson
G11 - INFORMATION STORAGE
Information
Patent Grant
Recessed tape servo head to create an equipotential tape bearing su...
Patent number
11,227,628
Issue date
Jan 18, 2022
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for manufacturing magnetic head having a servo read transdu...
Patent number
11,114,117
Issue date
Sep 7, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Read transducer structure having an embedded wear layer between thi...
Patent number
11,074,930
Issue date
Jul 27, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Current-perpendicular-to-plane (CPP) read transducer structure havi...
Patent number
10,997,994
Issue date
May 4, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrostrictive control for the width of a tape-head-array
Patent number
10,997,995
Issue date
May 4, 2021
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film heating device in a write gap
Patent number
10,957,347
Issue date
Mar 23, 2021
International Business Machines Corporation
Robert Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus with multi-channel tape head module having controllable e...
Patent number
10,902,873
Issue date
Jan 26, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic thin film recording head module having electrical shieldin...
Patent number
10,832,712
Issue date
Nov 10, 2020
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrostrictive control for the width of a tape-head-array
Patent number
10,762,924
Issue date
Sep 1, 2020
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic sensor using spin hall effect
Patent number
10,720,570
Issue date
Jul 21, 2020
Western Digital Technologies, Inc.
Quang Le
G01 - MEASURING TESTING
Information
Patent Grant
Material for use in a TMR read gap without adversely affecting the...
Patent number
10,297,278
Issue date
May 21, 2019
Western Digital Technologies, Inc.
Satoru Araki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Independent shunting of data and servo heads to allow a single sens...
Patent number
10,199,057
Issue date
Feb 5, 2019
Western Digital Technologies, Inc.
David J. Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape array electrical lapping guide design for small stripe TMR sensor
Patent number
9,865,286
Issue date
Jan 9, 2018
Western Digital Technologies, Inc.
Cherngye Hwang
G11 - INFORMATION STORAGE
Information
Patent Grant
Flux-guided tunneling magnetoresistive (TMR) sensor for magnetic ta...
Patent number
9,786,302
Issue date
Oct 10, 2017
Western Digital Technologies, Inc.
Diane L. Brown
G11 - INFORMATION STORAGE
Information
Patent Grant
Scissor unidirectional biasing with hard bias stabilized soft bias
Patent number
9,406,320
Issue date
Aug 2, 2016
HGST Netherlands B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Grant
System for adjusting bias of relative magnetizations of ferromagnet...
Patent number
9,378,761
Issue date
Jun 28, 2016
HGST Netherlands B.V.
David John Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Slider with high frequency voltage ground and low frequency DC volt...
Patent number
9,275,665
Issue date
Mar 1, 2016
HGST Netherlands B.V.
Tuan M. Dinh
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having a CPP sensor with tunnel barrier layer and ELG...
Patent number
9,275,661
Issue date
Mar 1, 2016
HGST Netherlands B.V.
Ying Hong
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Recessed IRMN reader process
Patent number
9,177,588
Issue date
Nov 3, 2015
HGST Netherlands B.V.
James Mac Freitag
G11 - INFORMATION STORAGE
Information
Patent Grant
Scissor magnetic read sensor with novel multi-layer bias structure...
Patent number
9,153,258
Issue date
Oct 6, 2015
HGST Netherlands B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Grant
Transducer resistor shunt structure for low-cost probing
Patent number
9,129,660
Issue date
Sep 8, 2015
HGST Netherlands B.V.
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Scissor sensor with back edge bias structure and novel dielectric l...
Patent number
9,099,122
Issue date
Aug 4, 2015
HGST Netherlands B.V.
Hongquan Jiang
G11 - INFORMATION STORAGE
Information
Patent Grant
Common ground for electronic lapping guides
Patent number
9,095,951
Issue date
Aug 4, 2015
HGST Netherlands B.V.
Glen P. Gee
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
Independent Reader/Writer Overcoats for an SGV Tape Head
Publication number
20240105218
Publication date
Mar 28, 2024
Western Digital Technologies, Inc.
David J. SEAGLE
G11 - INFORMATION STORAGE
Information
Patent Application
Multi-Channel Recording Head Having Servo Readers Proximate to Writ...
Publication number
20230253014
Publication date
Aug 10, 2023
Western Digital Technologies, Inc.
Robert G. BISKEBORN
G11 - INFORMATION STORAGE
Information
Patent Application
Tape Head With Side-Shielded Writers And Process For Making Same
Publication number
20230223043
Publication date
Jul 13, 2023
Western Digital Technologies, Inc.
Quang LE
G11 - INFORMATION STORAGE
Information
Patent Application
Tape Head Design Having Same Gap Verify Capabilities
Publication number
20220415355
Publication date
Dec 29, 2022
Western Digital Technologies, Inc.
David J. SEAGLE
G11 - INFORMATION STORAGE
Information
Patent Application
Tape Head Design Having A Null Shield For Same Gap Verify
Publication number
20220415344
Publication date
Dec 29, 2022
Western Digital Technologies, Inc.
David J. SEAGLE
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording Head Having Same-Gap Read-After-Write
Publication number
20220319540
Publication date
Oct 6, 2022
Western Digital Technologies, Inc.
Robert G. BISKEBORN
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE USING LATERALLY OFFSET READ ELEMENT TO COMPENSA...
Publication number
20220108725
Publication date
Apr 7, 2022
Western Digital Technologies, Inc.
Mark L. Watson
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE HEAD WITH SOFT BIAS
Publication number
20210158840
Publication date
May 27, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Application
ELECTROSTRICTIVE CONTROL FOR THE WIDTH OF A TAPE-HEAD-ARRAY
Publication number
20200381014
Publication date
Dec 3, 2020
Western Digital Technologies, Inc.
David J. SEAGLE
G11 - INFORMATION STORAGE
Information
Patent Application
ELECTROSTRICTIVE CONTROL FOR THE WIDTH OF A TAPE-HEAD-ARRAY
Publication number
20200227078
Publication date
Jul 16, 2020
Western Digital Technologies, Inc.
David J. SEAGLE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC SENSOR USING SPIN HALL EFFECT
Publication number
20180358543
Publication date
Dec 13, 2018
Western Digital Technologies, Inc.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Application
TAPE ARRAY ELECTRICAL LAPPING GUIDE DESIGN FOR SMALL STRIPE TMR SENSOR
Publication number
20170345451
Publication date
Nov 30, 2017
HGST NETHERLANDS B.V.
Cherngye Hwang
G11 - INFORMATION STORAGE
Information
Patent Application
FLUX-GUIDED TUNNELING MAGNETORESISTIVE (TMR) SENSOR FOR MAGNETIC TA...
Publication number
20170294197
Publication date
Oct 12, 2017
HGST NETHERLANDS B.V.
Diane L. Brown
G11 - INFORMATION STORAGE
Information
Patent Application
SCISSOR UNIDIRECTIONAL BIASING WITH HARD BIAS STABILIZED SOFT BIAS
Publication number
20160314807
Publication date
Oct 27, 2016
HGST NETHERLANDS B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Application
SCISSOR UNIDIRECTIONAL BIASING WITH HARD BIAS STABILIZED SOFT BIAS
Publication number
20160055866
Publication date
Feb 25, 2016
HGST NETHERLANDS B.V.
Quang Le
G01 - MEASURING TESTING
Information
Patent Application
SLIDER WITH HIGH FREQUENCY VOLTAGE GROUND AND LOW FREQUENCY DC VOLT...
Publication number
20160027459
Publication date
Jan 28, 2016
HGST NETHERLANDS B.V.
Tuan M. Dinh
G11 - INFORMATION STORAGE
Information
Patent Application
TRANSDUCER RESISTOR SHUNT STRUCTURE FOR LOW-COST PROBING
Publication number
20150380027
Publication date
Dec 31, 2015
HGST NETHERLANDS B.V.
John T. CONTRERAS
G11 - INFORMATION STORAGE
Information
Patent Application
RECESSED IRMN READER PROCESS
Publication number
20150206550
Publication date
Jul 23, 2015
HGST NETHERLANDS B.V.
James Mac FREITAG
G11 - INFORMATION STORAGE
Information
Patent Application
SCISSOR SENSOR WITH BACK EDGE BIAS STRUCTURE AND NOVEL DIELECTRIC L...
Publication number
20150154990
Publication date
Jun 4, 2015
HGST NETHERLANDS B.V.
Hongquan Jiang
G11 - INFORMATION STORAGE
Information
Patent Application
TRANSDUCER RESISTOR SHUNT STRUCTURE FOR LOW-COST PROBING
Publication number
20150154992
Publication date
Jun 4, 2015
HGST NETHERLANDS B.V.
John T. CONTRERAS
G11 - INFORMATION STORAGE
Information
Patent Application
SCISSOR MAGNETIC READ SENSOR WITH NOVEL MULTI-LAYER BIAS STRUCTURE...
Publication number
20150154991
Publication date
Jun 4, 2015
HGST NETHERLANDS B.V.
Quang Le
G11 - INFORMATION STORAGE
Information
Patent Application
SCISSOR MAGNETIC SENSOR HAVING A BACK EDGE SOFT MAGNETIC BIAS STRUC...
Publication number
20150002961
Publication date
Jan 1, 2015
HGST NETHERLANDS B.V.
Christopher D. Keener
G11 - INFORMATION STORAGE
Information
Patent Application
MATERIAL FOR USE IN A TMR READ GAP WITHOUT ADVERSELY AFFECTING THE...
Publication number
20140342085
Publication date
Nov 20, 2014
Satoru ARAKI
B82 - NANO-TECHNOLOGY
Information
Patent Application
ELECTRICAL LAPPING GUIDE FOR MANUFACTURE OF A SCISSOR STYLE MAGNETI...
Publication number
20140175048
Publication date
Jun 26, 2014
HGST NETHERLANDS B.V.
David P. Druist
G11 - INFORMATION STORAGE
Information
Patent Application
WAFER GROUNDING DESIGN FOR SINGLE PAD LAPPING
Publication number
20140154952
Publication date
Jun 5, 2014
HGST NETHERLANDS B.V.
David P. DRUIST
G11 - INFORMATION STORAGE
Information
Patent Application
COMMON GROUND FOR ELECTRONIC LAPPING GUIDES
Publication number
20140154951
Publication date
Jun 5, 2014
HGST NETHERLANDS B.V.
Glen P. Gee
G11 - INFORMATION STORAGE
Information
Patent Application
CORRECTING CURRENT CROWDING IN ROW BAR AND VIAS FOR SINGLE PAD BONDING
Publication number
20140154953
Publication date
Jun 5, 2014
HGST NETHERLANDS B.V.
David P. DRUIST
G11 - INFORMATION STORAGE
Information
Patent Application
SCISSOR MAGNETIC READ HEAD WITH WRAP-AROUND MAGNETIC SHIELD
Publication number
20140153138
Publication date
Jun 5, 2014
HGST NETHERLANDS B.V.
Quang Le
B82 - NANO-TECHNOLOGY
Information
Patent Application
MAGNETIC SENSOR HAVING HARD BIAS STRUCTURE FOR OPTIMIZED HARD BIAS...
Publication number
20130163121
Publication date
Jun 27, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Quang Le
B82 - NANO-TECHNOLOGY
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH LADDER NETWORK COM...
Publication number
20130135765
Publication date
May 30, 2013
John Thomas Contreras
G11 - INFORMATION STORAGE