with cores composed of particles

Industry

CPC
G11B5/133

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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

G11B5/133with cores composed of particles

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium having controlled dimensional variation
- Patent number 11,302,355
- Issue date Apr 12, 2022
- Sony Corporation
- Minoru Yamaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a dimensional variation and cartridge
- Patent number 10,978,104
- Issue date Apr 13, 2021
- Sony Corporation
- Minoru Yamaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Shape designs of magnetic flux guiding devices all around the main...
- Patent number 10,832,707
- Issue date Nov 10, 2020
- Headway Technologies, Inc.
- Wenyu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Shape designs of magnetic flux guiding devices all around the main...
- Patent number 10,714,127
- Issue date Jul 14, 2020
- Headway Technologies, Inc.
- Wenyu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Selectable magnetic writers of different target geometries for redu...
- Patent number 10,559,319
- Issue date Feb 11, 2020
- Seagate Technology LLC
- Kurt Wiesen
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-writer head with a single operational writer
- Patent number 10,325,619
- Issue date Jun 18, 2019
- Seagate Technology LLC
- Kurt Wiesen
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-writer head with a single operational writer
- Patent number 10,255,933
- Issue date Apr 9, 2019
- Seagate Technology LLC
- Kurt Wiesen
- G11 - INFORMATION STORAGE
Information Patent Grant
Selectable magnetic writers of different target geometries for redu...
- Patent number 9,865,301
- Issue date Jan 9, 2018
- Seagate Technology LLC
- Kurt Wiesen
- G11 - INFORMATION STORAGE
Information Patent Grant
Electromagnetic data storage devices having improved magnetic struc...
- Patent number 9,704,512
- Issue date Jul 11, 2017
- Peacekeepers (International) Ltd.
- Christopher Binns
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Automated active feedback slice and view milling of magnetic head c...
- Patent number 9,293,157
- Issue date Mar 22, 2016
- Western Digital Technologies, Inc.
- Kurt C. Ruthe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic head using a composite m...
- Patent number 8,259,410
- Issue date Sep 4, 2012
- Western Digital (Fremont), LLC
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Thick film magnetic nanoparticulate composites and method of manufa...
- Patent number 7,485,366
- Issue date Feb 3, 2009
- Inframat Corporation
- Xinqing Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head with common seed layer for...
- Patent number 7,228,619
- Issue date Jun 12, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Nanoclustered magnetic materials for high moment write pole applica...
- Patent number 7,128,986
- Issue date Oct 31, 2006
- Seagate Technology, LLC
- Robert W. Lamberton
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing system and magnetic recording me...
- Patent number 6,999,255
- Issue date Feb 14, 2006
- Fuji Photo Film Co., Ltd.
- Kiyomi Ejiri
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic head, and magnetic recording and r...
- Patent number 6,783,435
- Issue date Aug 31, 2004
- Matsushita Electric Industrial Co., Ltd.
- Shinya Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass composition, sealing glass for magnetic head and magnetic hea...
- Patent number 6,778,355
- Issue date Aug 17, 2004
- Matsushita Electric Industrial Co., Ltd.
- Shinya Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording/reproducing apparatus
- Patent number 6,735,047
- Issue date May 11, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kenji Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Sealing glass for magnetic head and magnetic head using the same
- Patent number 6,631,050
- Issue date Oct 7, 2003
- Matsushita Electric Industrial Co., Ltd.
- Shinya Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of a side core type magnetic head slider
- Patent number 6,553,648
- Issue date Apr 29, 2003
- Minebea Co., Ltd.
- Naomi Kaeriyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with (411) plane single crystal ferrite medium facing...
- Patent number 6,222,701
- Issue date Apr 24, 2001
- Sony Corporation
- Takashi Tamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head including a pole piece with soft magnetic particles d...
- Patent number 6,134,079
- Issue date Oct 17, 2000
- Fujitsu Limited
- Takao Koshikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a core portion of polycrystalline MnZn ferrofe...
- Patent number 6,088,198
- Issue date Jul 11, 2000
- U.S. Philips Corporation
- Mark T. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for analysis of magnetic characteristics of ma...
- Patent number 6,072,667
- Issue date Jun 6, 2000
- Matsushita Electric Industrial Co., Ltd.
- Yoshiaki Mizoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having recording medium facing surfaces with tilted c...
- Patent number 6,016,243
- Issue date Jan 18, 2000
- Sony Corporation
- Yukari Nihei
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and method for producing the same
- Patent number 5,963,402
- Issue date Oct 5, 1999
- Minebea Co., Ltd.
- Motoji Egawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a C-type core and an I-type core
- Patent number 5,949,626
- Issue date Sep 7, 1999
- Mitsumi Electric Company, Ltd.
- Masashi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 5,919,567
- Issue date Jul 6, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Masaru Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat resistant, high saturation magnetic flux density film
- Patent number 5,879,798
- Issue date Mar 9, 1999
- Hitachi, Ltd.
- Toshio Kobayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head
- Patent number 5,875,081
- Issue date Feb 23, 1999
- Sony Corporation
- Atsushi Suzuki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20210151075
- Publication date May 20, 2021
- SONY CORPORATION
- Minoru YAMAGA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND CARTRIDGE
- Publication number 20200357434
- Publication date Nov 12, 2020
- SONY CORPORATION
- Minoru YAMAGA
- G11 - INFORMATION STORAGE
Information Patent Application
SELECTABLE WRITERS FOR REDUCED PERFORMANCE VARIANCE, AND SELECTION...
- Publication number 20180082714
- Publication date Mar 22, 2018
- SEAGATE TECHNOLOGY LLC
- Kurt Wiesen
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTROMAGNETIC DATA STORAGE DEVICES
- Publication number 20160300588
- Publication date Oct 13, 2016
- PEACEKEEPER (INTERNATIONAL) LTD.
- Christopher Binns
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head with common seed layer for coil and pedestal
- Publication number 20060092563
- Publication date May 4, 2006
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Application
Nanoclustered magnetic materials for high moment write pole applica...
- Publication number 20050084668
- Publication date Apr 21, 2005
- Seagate Technology LLC
- Robert W. Lamberton
- G11 - INFORMATION STORAGE
Information Patent Application
Thick film magnetic nanopaticulate composites and method of manufac...
- Publication number 20050074600
- Publication date Apr 7, 2005
- Xinqing Ma
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording and reproducing system and magnetic recording me...
- Publication number 20030142431
- Publication date Jul 31, 2003
- Fuji Photo Film Co., Ltd.
- Kiyomi Ejiri
- G11 - INFORMATION STORAGE
Information Patent Application
Glass composition, sealing glass for magnetic head and magnetic head
- Publication number 20030048580
- Publication date Mar 13, 2003
- Shinya Hasegawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
MANUFACTURING METHOD OF A SIDE CORE TYPE MAGNETIC HEAD SLIDER
- Publication number 20010001894
- Publication date May 31, 2001
- NAOMI KAERIYAMA
- G11 - INFORMATION STORAGE

with cores composed of particles

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic recording medium having controlled dimensional variation

Magnetic recording medium having a dimensional variation and cartridge

Shape designs of magnetic flux guiding devices all around the main...

Shape designs of magnetic flux guiding devices all around the main...

Selectable magnetic writers of different target geometries for redu...

Multi-writer head with a single operational writer

Multi-writer head with a single operational writer

Selectable magnetic writers of different target geometries for redu...

Electromagnetic data storage devices having improved magnetic struc...

Automated active feedback slice and view milling of magnetic head c...

Method and system for providing a magnetic head using a composite m...

Thick film magnetic nanoparticulate composites and method of manufa...

Method of manufacturing a magnetic head with common seed layer for...

Nanoclustered magnetic materials for high moment write pole applica...

Magnetic recording and reproducing system and magnetic recording me...

Method of manufacturing magnetic head, and magnetic recording and r...

Glass composition, sealing glass for magnetic head and magnetic hea...

Magnetic head and magnetic recording/reproducing apparatus

Sealing glass for magnetic head and magnetic head using the same

Manufacturing method of a side core type magnetic head slider

Magnetic head with (411) plane single crystal ferrite medium facing...

Magnetic head including a pole piece with soft magnetic particles d...

Magnetic head having a core portion of polycrystalline MnZn ferrofe...

Method and apparatus for analysis of magnetic characteristics of ma...

Magnetic head having recording medium facing surfaces with tilted c...

Magnetic head and method for producing the same

Magnetic head having a C-type core and an I-type core

Magnetic head

Heat resistant, high saturation magnetic flux density film

Magnetic head

Patents Applicationslast 30 patents

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM AND CARTRIDGE

SELECTABLE WRITERS FOR REDUCED PERFORMANCE VARIANCE, AND SELECTION...

ELECTROMAGNETIC DATA STORAGE DEVICES

Magnetic head with common seed layer for coil and pedestal

Nanoclustered magnetic materials for high moment write pole applica...

Thick film magnetic nanopaticulate composites and method of manufac...

Magnetic recording and reproducing system and magnetic recording me...

Glass composition, sealing glass for magnetic head and magnetic head

MANUFACTURING METHOD OF A SIDE CORE TYPE MAGNETIC HEAD SLIDER