the pole pieces being of ferrous sheet metal or other magnetic layers

Industry

CPC
G11B5/21

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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

G11B5/21the pole pieces being of ferrous sheet metal or other magnetic layers

Industries

Patents Grantslast 30 patents

Information Patent Grant
Cross track current design for energy assisted magnetic recording
- Patent number 11,881,237
- Issue date Jan 23, 2024
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording device
- Patent number 11,869,540
- Issue date Jan 9, 2024
- Kabushiki Kaisha Toshiba
- Tazumi Nagasawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording device
- Patent number 11,721,359
- Issue date Aug 8, 2023
- Kabushiki Kaisha Toshiba
- Yuji Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording device
- Patent number 11,710,501
- Issue date Jul 25, 2023
- Kabushiki Kaisha Toshiba
- Yuji Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Ferroelectric recording medium and ferroelectric storage apparatus
- Patent number 11,705,157
- Issue date Jul 18, 2023
- Resonac Corporation
- Masaaki Yanagisawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Material having both negative spin polarization and negative anisot...
- Patent number 11,683,993
- Issue date Jun 20, 2023
- Western Digital Technologies, Inc.
- Susumu Okamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with tapered main pole...
- Patent number 11,651,791
- Issue date May 16, 2023
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read sensors having stabilized upper readers, and related...
- Patent number 11,514,935
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Xiaoyong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider assemblies having recesses with solder structures for magnet...
- Patent number 11,508,402
- Issue date Nov 22, 2022
- Western Digital Technologies, Inc.
- Artorn Pokaipisit
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with tapered main pole...
- Patent number 11,462,243
- Issue date Oct 4, 2022
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Giant spin-seebeck effect induced magnon transfer torque-assisted MAMR
- Patent number 10,885,933
- Issue date Jan 5, 2021
- Western Digital Technologies, Inc.
- Zhanjie Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer barrier and method of formation
- Patent number 10,837,105
- Issue date Nov 17, 2020
- Seagate Technology LLC
- Sameh Hassan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic tape device and reproducing method employing TMR reproduci...
- Patent number 10,497,384
- Issue date Dec 3, 2019
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Writer with recessed spin flipping element in the write gap
- Patent number 10,446,178
- Issue date Oct 15, 2019
- Headway Technologies, Inc.
- Yuhui Tang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a pole having an aspect r...
- Patent number 10,115,416
- Issue date Oct 30, 2018
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Polycrystalline dielectric coating for cobalt iron alloy thin films
- Patent number 9,837,103
- Issue date Dec 5, 2017
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a pole having an aspect r...
- Patent number 9,721,591
- Issue date Aug 1, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual purpose tape write transducer
- Patent number 9,355,656
- Issue date May 31, 2016
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head
- Patent number 9,165,569
- Issue date Oct 20, 2015
- TDK Corporation
- Takafumi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording write head with main pole formed o...
- Patent number 8,861,137
- Issue date Oct 14, 2014
- HGST Netherlands B.V.
- Hieu Lam
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with layer having high saturation magnetic...
- Patent number 7,679,860
- Issue date Mar 16, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Kazue Kudo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic thin film head
- Patent number 7,485,378
- Issue date Feb 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Gen Oikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnet tunneling junction with RF sputtered gallium oxide as insula...
- Patent number 7,453,673
- Issue date Nov 18, 2008
- Seagate Technology LLC
- Zheng Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having self-pinned CPP sensor with multilayer pinned...
- Patent number 7,268,980
- Issue date Sep 11, 2007
- Hitachi Global Storage Technologies Netherlands, B.V.
- Hardayal Singh Gill
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic transducer, thin film magnetic head, method of manufacturi...
- Patent number 6,920,022
- Issue date Jul 19, 2005
- TDK Corporation
- Yoshihiro Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 6,424,490
- Issue date Jul 23, 2002
- Sony Corporation
- Masaya Kousaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-aligned metal film core multi-channel recording head for tape...
- Patent number 6,288,870
- Issue date Sep 11, 2001
- Quantum Corporation
- George A. Saliba
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft magnetic thin film, method for preparing same and magnetic head
- Patent number 6,238,492
- Issue date May 29, 2001
- Fuji Photo Film Co., Ltd.
- Kanji Nakanishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing a vertical magnetic head
- Patent number 6,167,611
- Issue date Jan 2, 2001
- Commissariat a l'Energie Atomique
- Pierre Gaud
- G11 - INFORMATION STORAGE
Information Patent Grant
Amorphous soft magnetic material
- Patent number 6,132,891
- Issue date Oct 17, 2000
- Sony Corporation
- Tatsuo Kumura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20230335154
- Publication date Oct 19, 2023
- Kabushiki Kaisha Toshiba
- Yuji NAKAGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20230326482
- Publication date Oct 12, 2023
- Kabushiki Kaisha Toshiba
- Yuji NAKAGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
FERROELECTRIC RECORDING MEDIUM AND FERROELECTRIC STORAGE APPARATUS
- Publication number 20230282235
- Publication date Sep 7, 2023
- Resonac Corporation
- Masaaki YANAGISAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20230267961
- Publication date Aug 24, 2023
- Kabushiki Kaisha Toshiba
- Tazumi NAGASAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETORESISTANCE EFFECT ELEMENT
- Publication number 20230144429
- Publication date May 11, 2023
- TDK Corporation
- Shinto ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20220399033
- Publication date Dec 15, 2022
- Kabushiki Kaisha Toshiba
- Yuji NAKAGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20220383898
- Publication date Dec 1, 2022
- Kabushiki Kaisha Toshiba
- Yuji NAKAGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...
- Publication number 20220358964
- Publication date Nov 10, 2022
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
Material Having Both Negative Spin Polarization and Negative Anisot...
- Publication number 20220310900
- Publication date Sep 29, 2022
- Western Digital Technologies, Inc.
- Susumu OKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
FERROELECTRIC RECORDING MEDIUM AND FERROELECTRIC STORAGE APPARATUS
- Publication number 20220208223
- Publication date Jun 30, 2022
- SHOWA DENKO K.K.
- Masaaki YANAGISAWA
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...
- Publication number 20210027808
- Publication date Jan 28, 2021
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
GIANT SPIN-SEEBECK EFFECT INDUCED MAGNON TRANSFER TORQUE-ASSISTED MAMR
- Publication number 20200176022
- Publication date Jun 4, 2020
- Western Digital Technologies, Inc.
- Zhanjie LI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE DEVICE AND MAGNETIC REPRODUCING METHOD
- Publication number 20180240479
- Publication date Aug 23, 2018
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
POLYCRYSTALLINE DIELECTRIC COATING FOR COBALT IRON ALLOY THIN FILMS
- Publication number 20180061440
- Publication date Mar 1, 2018
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
POLYCRYSTALLINE DIELECTRIC COATING FOR COBALT IRON ALLOY THIN FILMS
- Publication number 20170330588
- Publication date Nov 16, 2017
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING WRITE APPARATUS HAVING A POLE HAVING AN ASPECT R...
- Publication number 20170316794
- Publication date Nov 2, 2017
- WESTERN DIGITAL (FREMONT), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head with layer having high saturation magnetic...
- Publication number 20060203385
- Publication date Sep 14, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kazue Kudo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnet tunneling junction with RF sputtered gallium oxide as insula...
- Publication number 20060176619
- Publication date Aug 10, 2006
- Seagate Technology LLC
- Zheng Gao
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic thin film head
- Publication number 20050208340
- Publication date Sep 22, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Gen Oikawa
- B32 - LAYERED PRODUCTS
Information Patent Application
Magnetic head having self-pinned CPP sensor with multilayer pinned...
- Publication number 20050174703
- Publication date Aug 11, 2005
- Hardayal Singh Gill
- G11 - INFORMATION STORAGE

the pole pieces being of ferrous sheet metal or other magnetic layers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Cross track current design for energy assisted magnetic recording

Magnetic head and magnetic recording device

Magnetic head and magnetic recording device

Magnetic head and magnetic recording device

Ferroelectric recording medium and ferroelectric storage apparatus

Material having both negative spin polarization and negative anisot...

Heat-assisted magnetic recording (HAMR) head with tapered main pole...

Magnetic read sensors having stabilized upper readers, and related...

Slider assemblies having recesses with solder structures for magnet...

Heat-assisted magnetic recording (HAMR) head with tapered main pole...

Giant spin-seebeck effect induced magnon transfer torque-assisted MAMR

Multilayer barrier and method of formation

Magnetic tape device and reproducing method employing TMR reproduci...

Writer with recessed spin flipping element in the write gap

Magnetic recording write apparatus having a pole having an aspect r...

Polycrystalline dielectric coating for cobalt iron alloy thin films

Magnetic recording write apparatus having a pole having an aspect r...

Dual purpose tape write transducer

Thermally-assisted magnetic recording head

Perpendicular magnetic recording write head with main pole formed o...

Thin film magnetic head with layer having high saturation magnetic...

Magnetic thin film head

Magnet tunneling junction with RF sputtered gallium oxide as insula...

Magnetic head having self-pinned CPP sensor with multilayer pinned...

Magnetic transducer, thin film magnetic head, method of manufacturi...

Magnetic head

Self-aligned metal film core multi-channel recording head for tape...

Soft magnetic thin film, method for preparing same and magnetic head

Process for producing a vertical magnetic head

Amorphous soft magnetic material

Patents Applicationslast 30 patents

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

FERROELECTRIC RECORDING MEDIUM AND FERROELECTRIC STORAGE APPARATUS

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

MAGNETORESISTANCE EFFECT ELEMENT

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...

Material Having Both Negative Spin Polarization and Negative Anisot...

FERROELECTRIC RECORDING MEDIUM AND FERROELECTRIC STORAGE APPARATUS

HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH TAPERED MAIN POLE...

GIANT SPIN-SEEBECK EFFECT INDUCED MAGNON TRANSFER TORQUE-ASSISTED MAMR

MAGNETIC TAPE DEVICE AND MAGNETIC REPRODUCING METHOD

POLYCRYSTALLINE DIELECTRIC COATING FOR COBALT IRON ALLOY THIN FILMS

POLYCRYSTALLINE DIELECTRIC COATING FOR COBALT IRON ALLOY THIN FILMS

MAGNETIC RECORDING WRITE APPARATUS HAVING A POLE HAVING AN ASPECT R...

Thin film magnetic head with layer having high saturation magnetic...

Magnet tunneling junction with RF sputtered gallium oxide as insula...

Magnetic thin film head

Magnetic head having self-pinned CPP sensor with multilayer pinned...