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G11B5/73
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Parent Industries
G
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
G11B5/73
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic tape cartridge group and magnetic recording and reproducin...
Patent number
11,972,784
Issue date
Apr 30, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Substrate for magnetic disk and magnetic disk
Patent number
11,955,151
Issue date
Apr 9, 2024
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium with underlayer configured to reduce diff...
Patent number
11,900,978
Issue date
Feb 13, 2024
Western Digital Technologies, Inc.
Hoan Cong Ho
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,900,977
Issue date
Feb 13, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,894,034
Issue date
Feb 6, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,894,033
Issue date
Feb 6, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing annular glass plate, method for manufactur...
Patent number
11,884,582
Issue date
Jan 30, 2024
Hoya Corporation
Shuhei Azuma
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Glass for magnetic recording medium substrate or for glass spacer f...
Patent number
11,884,584
Issue date
Jan 30, 2024
Hoya Corporation
Koichi Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic encoding of physical objects in an additive manufacturing...
Patent number
11,884,019
Issue date
Jan 30, 2024
Raytheon Company
Andrew M. Wilds
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,887,636
Issue date
Jan 30, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,887,637
Issue date
Jan 30, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing glass spacer, glass spacer, and hard disk...
Patent number
11,869,538
Issue date
Jan 9, 2024
Hoya Corporation
Masafumi Miura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,869,557
Issue date
Jan 9, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape, magnetic tape cartridge, and magnetic tape device
Patent number
11,869,552
Issue date
Jan 9, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having controlled water contact angle ratio, magnetic...
Patent number
11,869,559
Issue date
Jan 9, 2024
FUJIFILM Corporation
Noriko Oyanagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,869,553
Issue date
Jan 9, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,869,558
Issue date
Jan 9, 2024
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording (HAMR) medium with optical-couplin...
Patent number
11,869,556
Issue date
Jan 9, 2024
Western Digital Technologies, Inc.
Pierre-Olivier Jubert
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape, magnetic tape cartridge, and magnetic tape device
Patent number
11,862,214
Issue date
Jan 2, 2024
FUJIFILM Corporation
Yujin Shibata
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer surface, magnetic...
Patent number
11,854,586
Issue date
Dec 26, 2023
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Spacer and laminate
Patent number
11,839,950
Issue date
Dec 12, 2023
Hoya Corporation
Masao Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,830,531
Issue date
Nov 28, 2023
Sony Group Corporation
Kazuya Hashimoto
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
Read/write device for a hard-disk memory system, and corresponding...
Patent number
11,810,604
Issue date
Nov 7, 2023
STMicroelectronics S.r.l.
Domenico Giusti
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,804,243
Issue date
Oct 31, 2023
Sony Group Corporation
Minoru Yamaga
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
Spin torque assisted magnetic recording media
Patent number
11,769,526
Issue date
Sep 26, 2023
Seagate Technology LLC
Yichun Fan
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic stack including non-magnetic seed layer for hard disk driv...
Patent number
11,763,845
Issue date
Sep 19, 2023
Seagate Technology LLC
Florin Zavaliche
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cartridge and magnetic tape device
Patent number
11,756,584
Issue date
Sep 12, 2023
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having controlled dimensional variation
Patent number
11,749,304
Issue date
Sep 5, 2023
Sony Corporation
Masaru Terakawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIUM WITH MULTIPLE SOFT UNDERLAYERS AND MAGNET...
Publication number
20240135969
Publication date
Apr 25, 2024
Western Digital Technologies, Inc.
Asif Bashir
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK SUBSTRATE, MAGNETIC DISK, ANNULAR-SHAPED SUBSTRATE, A...
Publication number
20240135970
Publication date
Apr 25, 2024
HOYA CORPORATION
Shuhei AZUMA
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER F...
Publication number
20240124346
Publication date
Apr 18, 2024
HOYA CORPORATION
Koichi SATO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
Publication number
20240112698
Publication date
Apr 4, 2024
FUJIFILM CORPORATION
Yujin SHIBATA
G11 - INFORMATION STORAGE
Information
Patent Application
ANNULAR GLASS PLATE, METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR M...
Publication number
20240109807
Publication date
Apr 4, 2024
HOYA CORPORATION
Shuhei AZUMA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER SURFACE, MAGNETIC...
Publication number
20240105227
Publication date
Mar 28, 2024
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE DEVICE
Publication number
20240105229
Publication date
Mar 28, 2024
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER SURFACE, MAGNETIC...
Publication number
20240105224
Publication date
Mar 28, 2024
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SHEET FOR FABRICATING MAGNETIC RECORDING MEDIA AND METHOD OF...
Publication number
20240101463
Publication date
Mar 28, 2024
Western Digital Technologies, Inc.
Shoji Suzuki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING GLAS...
Publication number
20240101473
Publication date
Mar 28, 2024
HOYA CORPORATION
Shuhei AZUMA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER SURFACE, MAGNETIC...
Publication number
20240105228
Publication date
Mar 28, 2024
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER SURFACE, MAGNETIC...
Publication number
20240096367
Publication date
Mar 21, 2024
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MEDIA STRUCTURE CONFIGURED FOR HEAT-ASSISTED MAGNETIC RECORDING AND...
Publication number
20240096368
Publication date
Mar 21, 2024
Western Digital Technologies, Inc.
Hua Yuan
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER SURFACE, MAGNETIC...
Publication number
20240096366
Publication date
Mar 21, 2024
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR MANUFACTURING SUBSTRATE AND METHOD FOR MANUFACTURING SUB...
Publication number
20240082979
Publication date
Mar 14, 2024
HOYA CORPORATION
Masao TAKANO
B24 - GRINDING POLISHING
Information
Patent Application
MEDIA STRUCTURE WITH SELECTED SEGREGANTS CONFIGURED TO IMPROVE HEAT...
Publication number
20240071416
Publication date
Feb 29, 2024
Western Digital Technologies, Inc.
Hoan Cong Ho
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SPACER AND HARD DISK DRIVE DEVICE
Publication number
20240071419
Publication date
Feb 29, 2024
HOYA CORPORATION
Masafumi MIURA
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR MANUFACTURING MAGNETIC DISK, MAGNETIC DISK, AND MAGNETIC...
Publication number
20240062779
Publication date
Feb 22, 2024
HOYA CORPORATION
Shinji EDA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM WITH UNDERLAYER CONFIGURED TO REDUCE DIFF...
Publication number
20240055019
Publication date
Feb 15, 2024
Western Digital Technologies, Inc.
Hoan Cong Ho
G11 - INFORMATION STORAGE
Information
Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC AND MAGNETIC DISC
Publication number
20240021213
Publication date
Jan 18, 2024
UACJ CORPORATION
Kotaro KITAWAKI
G11 - INFORMATION STORAGE
Information
Patent Application
ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC
Publication number
20240018633
Publication date
Jan 18, 2024
UACJ CORPORATION
Kotaro KITAWAKI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING CARTRIDGE, AND RECORD...
Publication number
20230402063
Publication date
Dec 14, 2023
SONY GROUP CORPORATION
Minoru YAMAGA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...
Publication number
20230386515
Publication date
Nov 30, 2023
FUJIFILM CORPORATION
Takashi FUJIMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING APPARATUS COMPRISING DISK WITH REDUCED THICKNESS...
Publication number
20230386516
Publication date
Nov 30, 2023
Western Digital Technologies, Inc.
Shoji Suzuki
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
Publication number
20230352045
Publication date
Nov 2, 2023
FUJIFILM CORPORATION
Yuto MURATA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20230352046
Publication date
Nov 2, 2023
SONY GROUP CORPORATION
Junichi TACHIBANA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
Publication number
20230335160
Publication date
Oct 19, 2023
FUJIFILM CORPORATION
Yuto MURATA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING DISK WITH METALLIC LAYERS HAVING THICKNESSES CON...
Publication number
20230335162
Publication date
Oct 19, 2023
Western Digital Technologies, Inc.
Shoji Suzuki
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
Publication number
20230335159
Publication date
Oct 19, 2023
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC
Publication number
20230335161
Publication date
Oct 19, 2023
UACJ CORPORATION
Kotaro KITAWAKI
G11 - INFORMATION STORAGE