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G11B5/667
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PHYSICS
G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00
Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
Current Industry
G11B5/667
including a soft magnetic layer
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing magnetic recording medium
Patent number
12,217,779
Issue date
Feb 4, 2025
RESONAC HARD DISK CORPORATION
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media with dead magnetic layer
Patent number
12,183,377
Issue date
Dec 31, 2024
Western Digital Technologies, Inc.
Cristian Papusoi
G11 - INFORMATION STORAGE
Information
Patent Grant
Lightweight collapsible chair with trekking poles supports
Patent number
11,998,094
Issue date
Jun 4, 2024
Jon Kief Davis
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, magnetic recording and reproducing appar...
Patent number
11,823,721
Issue date
Nov 21, 2023
Resonac Corporation
Yoshitaka Aono
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media with tungsten pre-seed layer
Patent number
11,810,605
Issue date
Nov 7, 2023
Western Digital Technologies, Inc.
Kai Tang
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,798,588
Issue date
Oct 24, 2023
Sony Corporation
Masaru Terakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, method of manufacturing same, and magnet...
Patent number
11,735,216
Issue date
Aug 22, 2023
Resonac Corporation
Kota Hasegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluoropolyether compound, lubricant using same and usage thereof
Patent number
11,651,789
Issue date
May 16, 2023
MORESCO Corporation
Akinori Kimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnetic head with stacked body having specified compositions of ma...
Patent number
11,626,130
Issue date
Apr 11, 2023
Kabushiki Kaisha Toshiba
Naoyuki Narita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,621,020
Issue date
Apr 4, 2023
Sony Corporation
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic media design with multiple non-magnetic exchange control l...
Patent number
11,600,294
Issue date
Mar 7, 2023
Western Digital Technologies, Inc.
Kai Tang
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-disk substrate and magnetic disk
Patent number
11,587,585
Issue date
Feb 21, 2023
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media with plasma-polished pre-seed layer or sub...
Patent number
11,508,405
Issue date
Nov 22, 2022
Western Digital Technologies, Inc.
Kai Tang
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording tape and magnetic recording tape cartridge
Patent number
11,437,066
Issue date
Sep 6, 2022
Sony Corporation
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording device including magnetic head which includes a...
Patent number
11,417,355
Issue date
Aug 16, 2022
Kabushiki Kaisha Toshiba
Naoyuki Narita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media with oxidized pre-seed layer
Patent number
11,398,247
Issue date
Jul 26, 2022
Western Digital Technologies, Inc.
Kai Tang
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having magnetic layer with nitride of car...
Patent number
11,295,775
Issue date
Apr 5, 2022
Showa Denko K.K.
Kota Hasegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium with multiple exchange coupling layers an...
Patent number
11,276,428
Issue date
Mar 15, 2022
Western Digital Technologies, Inc.
Yoshihiro Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,270,729
Issue date
Mar 8, 2022
Sony Corporation
Masaru Terakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Film-forming apparatus and method for manufacturing magnetic record...
Patent number
11,232,813
Issue date
Jan 25, 2022
Sony Corporation
Takashi Aizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic recording medium
Patent number
11,205,455
Issue date
Dec 21, 2021
Sony Corporation
Masaru Terakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,145,328
Issue date
Oct 12, 2021
Sony Corporation
Masaru Terakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Hard disk drive with magnetic-disk substrate and hard disk drive wi...
Patent number
11,081,134
Issue date
Aug 3, 2021
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having magnetic layer with hydride of car...
Patent number
10,984,829
Issue date
Apr 20, 2021
Showa Denko K.K.
Kota Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic recording medium with multiple exchange coupling layers an...
Patent number
10,930,313
Issue date
Feb 23, 2021
Western Digital Technologies, Inc.
Yoshihiro Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium with nitride segregant, method for manufa...
Patent number
10,832,720
Issue date
Nov 10, 2020
Showa Denko K.K.
Kota Hasegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Embedded disconnected circuits in magnetic storage media of data st...
Patent number
10,811,047
Issue date
Oct 20, 2020
Western Digital Technologies, Inc.
Pankaj Mehra
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
10,789,979
Issue date
Sep 29, 2020
Sony Corporation
Junichi Tachibana
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Methods of using embedded disconnected circuits in magnetic storage...
Patent number
10,777,225
Issue date
Sep 15, 2020
Western Digital Technologies, Inc.
Pankaj Mehra
G11 - INFORMATION STORAGE
Information
Patent Grant
Embedded disconnected circuits in magnetic storage media of data st...
Patent number
10,672,425
Issue date
Jun 2, 2020
Western Digital Technologies, Inc.
Pankaj Mehra
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIA WITH DEAD MAGNETIC LAYER
Publication number
20240404554
Publication date
Dec 5, 2024
Western Digital Technologies, Inc.
Cristian Papusoi
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING CARTRIDGE, AND RECORD...
Publication number
20230410845
Publication date
Dec 21, 2023
SONY GROUP CORPORATION
Minoru YAMAGA
G11 - INFORMATION STORAGE
Information
Patent Application
LIGHTWEIGHT COLLAPSIBLE CHAIR WITH TREKKING POLES SUPPORTS
Publication number
20230326487
Publication date
Oct 12, 2023
Jon Kief Davis
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING TAPE AND APPARATUS
Publication number
20230317103
Publication date
Oct 5, 2023
International Business Machines Corporation
MARK ALFRED LANTZ
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK SUBSTRATE AND MAGNETIC DISK
Publication number
20230197111
Publication date
Jun 22, 2023
HOYA CORPORATION
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM
Publication number
20230131031
Publication date
Apr 27, 2023
SHOWA DENKO K.K.
Yoshitaka AONO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIA WITH TUNGSTEN PRE-SEED LAYER
Publication number
20230099090
Publication date
Mar 30, 2023
Western Digital Technologies, Inc.
Kai Tang
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
Publication number
20220335968
Publication date
Oct 20, 2022
Kabushiki Kaisha Toshiba
Naoyuki NARITA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...
Publication number
20220246176
Publication date
Aug 4, 2022
SHOWA DENKO K.K.
Yoshitaka AONO
G11 - INFORMATION STORAGE
Information
Patent Application
FLUOROPOLYETHER COMPOUND, LUBRICANT USING SAME AND USAGE THEREOF
Publication number
20220093127
Publication date
Mar 24, 2022
MORESCO CORPORATION
Akinori KIMURA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
Publication number
20210375312
Publication date
Dec 2, 2021
Kabushiki Kaisha Toshiba
Naoyuki NARITA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK SUBSTRATE AND MAGNETIC DISK
Publication number
20210327464
Publication date
Oct 21, 2021
HOYA CORPORATION
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC MEDIA DESIGN WITH MULTIPLE NON-MAGNETIC EXCHANGE CONTROL L...
Publication number
20210151076
Publication date
May 20, 2021
Western Digital Technologies, Inc.
Kai Tang
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
Publication number
20210098017
Publication date
Apr 1, 2021
SHOWA DENKO K.K.
Kota HASEGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20210020197
Publication date
Jan 21, 2021
SONY CORPORATION
Masaru TERAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING SAME, AND MAGNET...
Publication number
20210005219
Publication date
Jan 7, 2021
SHOWA DENKO K.K.
Kota HASEGAWA
G11 - INFORMATION STORAGE
Information
Patent Application
EMBEDDED DISCONNECTED CIRCUITS IN MAGNETIC STORAGE MEDIA OF DATA ST...
Publication number
20200357435
Publication date
Nov 12, 2020
Western Digital Technologies, Inc.
Pankaj MEHRA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM WITH MULTIPLE EXCHANGE COUPLING LAYERS AN...
Publication number
20200321024
Publication date
Oct 8, 2020
Western Digital Technologies, Inc.
Yoshihiro Ikeda
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20200312364
Publication date
Oct 1, 2020
SONY CORPORATION
Masaru TERAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME
Publication number
20200243108
Publication date
Jul 30, 2020
Kabushiki Kaisha Toshiba
Masaya OHTAKE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20200098390
Publication date
Mar 26, 2020
SONY CORPORATION
Masaru TERAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20200075051
Publication date
Mar 5, 2020
SONY CORPORATION
JUNICHI TACHIBANA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20190378540
Publication date
Dec 12, 2019
SONY CORPORATION
Noboru SEKIGUCHI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC RECORDING DEVICE WITH GRAPHENE OVERCOAT AND FABRICATION ME...
Publication number
20190325906
Publication date
Oct 24, 2019
SHOWA DENKO HD TRACE CORPORATION
Moon-Sun Lin
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
Publication number
20190295583
Publication date
Sep 26, 2019
SHOWA DENKO K.K.
Kota HASEGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM
Publication number
20190287563
Publication date
Sep 19, 2019
Fuji Electric Co., Ltd.
Hiroyasu KATAOKA
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT ASSISTED MAGNETIC RECORDING WITH EXCHANGE COUPLING CONTROL LAYER
Publication number
20190180780
Publication date
Jun 13, 2019
Seagate Technology LLC
Thomas Young CHANG
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT ASSISTED MAGNETIC RECORDING WITH EXCHANGE COUPLING CONTROL LAYER
Publication number
20190122695
Publication date
Apr 25, 2019
SEAGATE TECHNOLOGY LLC
Thomas Young CHANG
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20190080712
Publication date
Mar 14, 2019
SONY CORPORATION
Junichi TACHIBANA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
FILM-FORMING APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC RECORD...
Publication number
20180366150
Publication date
Dec 20, 2018
SONY CORPORATION
Takashi AIZAWA
H01 - BASIC ELECTRIC ELEMENTS