comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track

Industry

CPC
G11B5/245

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/245comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track

Industries

Patents Grantslast 30 patents

Information Patent Grant
Magnetic head including multiple magnetic layers and magnetic recor...
- Patent number 11,810,601
- Issue date Nov 7, 2023
- Kabushiki Kaisha Toshiba
- Yuji Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device and magnetic recording method utilizing a...
- Patent number 11,568,890
- Issue date Jan 31, 2023
- Kabushiki Kaisha Toshiba
- Hirofumi Suto
- G11 - INFORMATION STORAGE
Information Patent Grant
Energy assisted magnetic recording head having improved areal densi...
- Patent number 11,557,315
- Issue date Jan 17, 2023
- Western Digital Technologies, Inc.
- Suping Song
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording device with stacked body mater...
- Patent number 11,437,059
- Issue date Sep 6, 2022
- Kabushiki Kaisha Toshiba
- Hitoshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual wire assisted magnetic recording
- Patent number 11,341,990
- Issue date May 24, 2022
- Seagate Technology LLC
- Zengyuan Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Energy assisted magnetic recording head having improved areal densi...
- Patent number 11,227,627
- Issue date Jan 18, 2022
- Western Digital Technologies, Inc.
- Suping Song
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording (PMR) writer with tunable pole pro...
- Patent number 11,152,021
- Issue date Oct 19, 2021
- Headway Technologies, Inc.
- Yue Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Shielding between heads for tape drive
- Patent number 11,087,782
- Issue date Aug 10, 2021
- Western Digital Technologies, Inc.
- Diane L. Brown
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual wire assisted magnetic recording
- Patent number 11,049,515
- Issue date Jun 29, 2021
- Seagate Technology LLC
- Zengyuan Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual flux change layer (FCL) assisted magnetic recording
- Patent number 11,011,193
- Issue date May 18, 2021
- Headway Technologies, Inc.
- Yan Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording device capable of providing negati...
- Patent number 10,910,007
- Issue date Feb 2, 2021
- Western Digital Technologies, Inc.
- Tan Trinh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a magnetic layer and first and second conducti...
- Patent number 10,902,869
- Issue date Jan 26, 2021
- Kabushiki Kaisha Toshiba
- Hirofumi Suto
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods for biasing electrically biasable structures
- Patent number 9,087,528
- Issue date Jul 21, 2015
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Pole tip shield shaped to provide a differential shielding effect a...
- Patent number 8,564,906
- Issue date Oct 22, 2013
- Seagate Technology LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with magnetic wall angle
- Patent number 8,279,562
- Issue date Oct 2, 2012
- Seagate Technology LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage write heads using micro-electro mechanical shutters
- Patent number 7,554,757
- Issue date Jun 30, 2009
- Agere Systems Inc.
- Jonathan H. Fischer
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with rectangular-shaped planar spiral coil and leadin...
- Patent number 7,457,079
- Issue date Nov 25, 2008
- Sony Corporation
- Kazushi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin laminated single pole perpendicular write head
- Patent number 7,420,780
- Issue date Sep 2, 2008
- Headay Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Process and structure for a perpendicular writer having an exchange...
- Patent number 7,327,533
- Issue date Feb 5, 2008
- Headway Technologies, Inc.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with anisotropic medium placed between poles
- Patent number 7,230,793
- Issue date Jun 12, 2007
- Samsung Electronics Co., Ltd.
- Young-Hun Im
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with magnetic layers of differing widths and third po...
- Patent number 7,092,206
- Issue date Aug 15, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistance effect element with magnetism sensitive region c...
- Patent number 7,075,755
- Issue date Jul 11, 2006
- Kabushiki Kaisha Toshiba
- Shigeru Haneda
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin laminated single pole perpendicular write head
- Patent number 7,064,924
- Issue date Jun 20, 2006
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head including background magnetic field generator
- Patent number 6,876,519
- Issue date Apr 5, 2005
- Seagate Technology LLC
- Dmitri Litvinov
- G11 - INFORMATION STORAGE
Information Patent Grant
Write head having first pole piece with frequency dependent variabl...
- Patent number 6,826,014
- Issue date Nov 30, 2004
- International Business Machines Corporation
- Quan-chiu Harry Lam
- G11 - INFORMATION STORAGE
Information Patent Grant
First pole piece with frequency dependent variable effective throat...
- Patent number 6,785,098
- Issue date Aug 31, 2004
- International Business Machines Corporation
- Wenchein Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head, magnetic recording and reproducing apparatus, method...
- Patent number 6,728,080
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Kenchi Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Low frequency attenuator in a magnetic write head
- Patent number 6,721,129
- Issue date Apr 13, 2004
- International Business Machines Corporation
- Quan-chiu Harry Lam
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite write pole for a magnetic recording head
- Patent number 6,721,131
- Issue date Apr 13, 2004
- Seagate Technology LLC
- Dmitri Litvinov
- G11 - INFORMATION STORAGE
Information Patent Grant
Longitudinal magnetic recording head with reduced side fringing
- Patent number 6,707,642
- Issue date Mar 16, 2004
- Seagate Technology LLC
- Sharat Batra
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING DEVICE AND MAGNETIC RECORDING METHOD
- Publication number 20220157336
- Publication date May 19, 2022
- Kabushiki Kaisha Toshiba
- Hirofumi SUTO
- G11 - INFORMATION STORAGE
Information Patent Application
Energy Assisted Magnetic Recording Head Having Improved Areal Densi...
- Publication number 20220108715
- Publication date Apr 7, 2022
- Western Digital Technologies, Inc.
- Suping SONG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20210142821
- Publication date May 13, 2021
- Kabushiki Kaisha Toshiba
- Hitoshi IWASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
DISK-LIKE MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPR...
- Publication number 20180254059
- Publication date Sep 6, 2018
- Kabushiki Kaisha Toshiba
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20170206918
- Publication date Jul 20, 2017
- Fuji Electric Co., Ltd.
- Hitoshi Nakata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
THERMALLY ASSISTED MAGNETIC RECORDING HEAD WITH MAGNETIC CIRCUIT PA...
- Publication number 20150262594
- Publication date Sep 17, 2015
- TDK Corporation
- Susumu AOKI
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS FOR BIASING ELECTRICALLY BIASABLE STRUCTURES
- Publication number 20150092302
- Publication date Apr 2, 2015
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD HAVING ELECTRICALLY BIASABLE STRUCTURES
- Publication number 20140334037
- Publication date Nov 13, 2014
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
POLE TIP SHIELD SHAPED TO PROVIDE A DIFFERENTIAL SHIELDING EFFECT A...
- Publication number 20130022841
- Publication date Jan 24, 2013
- SEAGATE TECHNOLOGY LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD WITH MAGNETIC WALL ANGLE
- Publication number 20100232062
- Publication date Sep 16, 2010
- Seagate Technology LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Application
Thin laminated single pole perpendicular write head
- Publication number 20060203382
- Publication date Sep 14, 2006
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Process and structure for a perpendicular writer having an exchange...
- Publication number 20060092567
- Publication date May 4, 2006
- HEADWAY TECHNOLOGIES, INC.
- Lijie Guan
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic storage write heads using micro-electro mechanical shutters
- Publication number 20050111127
- Publication date May 26, 2005
- Jonathan H. Fischer
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head with thinned T-shaped write pole and its fabrication
- Publication number 20040264046
- Publication date Dec 30, 2004
- Hitachi Global Storage Technologies
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
Thin laminated single pole perpendicular write head
- Publication number 20040264047
- Publication date Dec 30, 2004
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive and magnetic head for perpendicular magnetic recording
- Publication number 20040228031
- Publication date Nov 18, 2004
- Kabushiki Kaisha Toshiba
- Akihiko Takeo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head
- Publication number 20040145828
- Publication date Jul 29, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Young-Hun Im
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head assembly and magnetic tape drive unit and magnetic di...
- Publication number 20040070871
- Publication date Apr 15, 2004
- Kazushi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-resistance effect element
- Publication number 20040061980
- Publication date Apr 1, 2004
- Kabushiki Kaisha Toshiba
- Shigeru Haneda
- G01 - MEASURING TESTING
Information Patent Application
First pole piece with frequency dependent variable effective throat...
- Publication number 20030067721
- Publication date Apr 10, 2003
- Wenchein Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
Write head having first pole piece with frequency dependent variabl...
- Publication number 20030058583
- Publication date Mar 27, 2003
- International Business Machines Corporation
- Quan-Chiu Harry Lam
- G11 - INFORMATION STORAGE
Information Patent Application
Low frequency attenuator in a magnetic write head
- Publication number 20030021050
- Publication date Jan 30, 2003
- Quan-Chu Harry Lam
- G11 - INFORMATION STORAGE
Information Patent Application
Composite write pole for a magnetic recording head
- Publication number 20020131203
- Publication date Sep 19, 2002
- Dmitri Litvinov
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic element, memory device and write head
- Publication number 20020048186
- Publication date Apr 25, 2002
- International Business Machines Corporation
- Rolf Allenspach
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic head, magnetic recording and reproducing apparatus, method...
- Publication number 20020015251
- Publication date Feb 7, 2002
- Kenchi Ito
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic head, magnetic recording and reproducing apparatus, method...
- Publication number 20020012205
- Publication date Jan 31, 2002
- Kenchi Ito
- B82 - NANO-TECHNOLOGY

comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic head including multiple magnetic layers and magnetic recor...

Magnetic recording device and magnetic recording method utilizing a...

Energy assisted magnetic recording head having improved areal densi...

Magnetic head and magnetic recording device with stacked body mater...

Dual wire assisted magnetic recording

Energy assisted magnetic recording head having improved areal densi...

Perpendicular magnetic recording (PMR) writer with tunable pole pro...

Shielding between heads for tape drive

Dual wire assisted magnetic recording

Dual flux change layer (FCL) assisted magnetic recording

Heat-assisted magnetic recording device capable of providing negati...

Magnetic head having a magnetic layer and first and second conducti...

Methods for biasing electrically biasable structures

Pole tip shield shaped to provide a differential shielding effect a...

Magnetic recording head with magnetic wall angle

Magnetic storage write heads using micro-electro mechanical shutters

Magnetic head with rectangular-shaped planar spiral coil and leadin...

Thin laminated single pole perpendicular write head

Process and structure for a perpendicular writer having an exchange...

Magnetic recording head with anisotropic medium placed between poles

Magnetic head with magnetic layers of differing widths and third po...

Magneto-resistance effect element with magnetism sensitive region c...

Thin laminated single pole perpendicular write head

Magnetic recording head including background magnetic field generator

Write head having first pole piece with frequency dependent variabl...

First pole piece with frequency dependent variable effective throat...

Magnetic head, magnetic recording and reproducing apparatus, method...

Low frequency attenuator in a magnetic write head

Composite write pole for a magnetic recording head

Longitudinal magnetic recording head with reduced side fringing

Patents Applicationslast 30 patents

MAGNETIC RECORDING DEVICE AND MAGNETIC RECORDING METHOD

Energy Assisted Magnetic Recording Head Having Improved Areal Densi...

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

DISK-LIKE MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPR...

MAGNETIC RECORDING MEDIUM

THERMALLY ASSISTED MAGNETIC RECORDING HEAD WITH MAGNETIC CIRCUIT PA...

METHODS FOR BIASING ELECTRICALLY BIASABLE STRUCTURES

MAGNETIC WRITE HEAD HAVING ELECTRICALLY BIASABLE STRUCTURES

POLE TIP SHIELD SHAPED TO PROVIDE A DIFFERENTIAL SHIELDING EFFECT A...

MAGNETIC RECORDING HEAD WITH MAGNETIC WALL ANGLE

Thin laminated single pole perpendicular write head

Process and structure for a perpendicular writer having an exchange...

Magnetic storage write heads using micro-electro mechanical shutters

Magnetic head with thinned T-shaped write pole and its fabrication

Thin laminated single pole perpendicular write head

Disk drive and magnetic head for perpendicular magnetic recording

Magnetic recording head

Magnetic head assembly and magnetic tape drive unit and magnetic di...

Magneto-resistance effect element

First pole piece with frequency dependent variable effective throat...

Write head having first pole piece with frequency dependent variabl...

Low frequency attenuator in a magnetic write head

Composite write pole for a magnetic recording head

Magnetic element, memory device and write head

Magnetic head, magnetic recording and reproducing apparatus, method...

Magnetic head, magnetic recording and reproducing apparatus, method...