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containing non-metallic substances
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G11B5/70626
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Parent Industries
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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
G11B5/70626
containing non-metallic substances
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Patents Grants
last 30 patents
Information
Patent Grant
Particles of β-iron oxyhydroxide-based compound, manufacturing meth...
Patent number
11,459,244
Issue date
Oct 4, 2022
FUJIFILM Corporation
Kenji Naoi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic recording medium having characterized magnetic layer and m...
Patent number
11,423,933
Issue date
Aug 23, 2022
FUJIFILM Corporation
Megumi Nakano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having characterized magnetic layer and m...
Patent number
11,417,359
Issue date
Aug 16, 2022
FUJIFILM Corporation
Eiki Ozawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Orientation device, production method for magnetic recording medium...
Patent number
11,322,177
Issue date
May 3, 2022
Sony Corporation
Eiji Nakashio
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium including compound having a salt structur...
Patent number
11,276,429
Issue date
Mar 15, 2022
FUJIFILM Corporation
Wataru Kikuchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer, magnetic tape ca...
Patent number
11,189,311
Issue date
Nov 30, 2021
FUJIFILM Corporation
Eiki Ozawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cartridge having tape media having synergistic magnetic record...
Patent number
11,158,337
Issue date
Oct 26, 2021
International Business Machines Corporation
Richard Bradshaw
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having magnetic layer with a granular str...
Patent number
11,087,794
Issue date
Aug 10, 2021
Fuji Electric Co., Ltd.
Tomohiro Moriya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape including characterized magnetic layer, tape cartridg...
Patent number
10,522,180
Issue date
Dec 31, 2019
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape device, magnetic reproducing method, and head trackin...
Patent number
10,490,220
Issue date
Nov 26, 2019
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape having characterized magnetic layer
Patent number
10,438,623
Issue date
Oct 8, 2019
FUJIFILM Corporation
Eiki Ozawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape device, magnetic reproducing method, and head trackin...
Patent number
10,134,433
Issue date
Nov 20, 2018
Fujifilm Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium for microwave assisted recording and magn...
Patent number
10,115,425
Issue date
Oct 30, 2018
Fujifilm Corporation
Osamu Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat assisted magnetic recording media with enhanced tuning exchang...
Patent number
9,984,713
Issue date
May 29, 2018
Seagate Technology LLC
Antonio Javier Zambano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
9,767,835
Issue date
Sep 19, 2017
Hitachi Maxell, Ltd.
Kenji Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic particles and method of manufacturing the same, and usage...
Patent number
9,202,502
Issue date
Dec 1, 2015
FUJIFILM Corporation
Kazufumi Omura
G11 - INFORMATION STORAGE
Information
Patent Grant
Composite magnetic recording media
Patent number
9,105,294
Issue date
Aug 11, 2015
Sony Corporation
Tryg R. Jensen
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film media structure for perpendicular magnetic recording and...
Patent number
9,076,476
Issue date
Jul 7, 2015
Carnegie Mellon University
Mark Kryder
G11 - INFORMATION STORAGE
Information
Patent Grant
Intermediate layer for perpendicular magnetic recording medium with...
Patent number
8,993,133
Issue date
Mar 31, 2015
WD Media, LLC
Shaoping Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Iron nitride powders for use in magnetic, electromagnetic, and micr...
Patent number
8,535,634
Issue date
Sep 17, 2013
Advanced Materials Corporation
Suryanarayan G. Sankar
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fine structural body, method for manufacturing fine structural body...
Patent number
8,535,816
Issue date
Sep 17, 2013
The University of Tokyo
Shin-ichi Ohkoshi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic powder suitable for low-noise media
Patent number
8,110,048
Issue date
Feb 7, 2012
Dowa Electronics Materials Co., Ltd.
Kenji Masada
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile phase change magnetic material, manufacturing method th...
Patent number
8,105,704
Issue date
Jan 31, 2012
Japan Science and Technology Agency
Hidenori Takagi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Iron nitride magnetic powder and method of producing the powder
Patent number
7,332,220
Issue date
Feb 19, 2008
Dowa Mining Co., Ltd.
Kenji Masada
G11 - INFORMATION STORAGE
Information
Patent Grant
Iron nitride system magnetic powder having good storage stability
Patent number
7,314,666
Issue date
Jan 1, 2008
Dowa Mining Co., Ltd.
Kenji Masada
G11 - INFORMATION STORAGE
Information
Patent Grant
Iron nitride magnetic powder and method of producing the powder
Patent number
7,241,501
Issue date
Jul 10, 2007
Dowa Mining Co., Ltd.
Kenji Masada
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass composite including dispersed rare earth iron garnet nanopart...
Patent number
7,078,071
Issue date
Jul 18, 2006
Matsumoto Yushi-Seiyaku Co., Ltd.
Susamu Taketomi
G11 - INFORMATION STORAGE
Information
Patent Grant
Acicular metal iron fine particles, process for preparing same, mag...
Patent number
5,660,927
Issue date
Aug 26, 1997
Daikin Industries Ltd.
Takuya Arase
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic powder, method for producing the same and use of the same
Patent number
5,648,160
Issue date
Jul 15, 1997
Hitachi Maxell, Ltd.
Mikio Kishimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic recording medium containing magnetic powder of iron nitride
Patent number
5,605,752
Issue date
Feb 25, 1997
Victor Company of Japan, Ltd.
Yoshiteru Matsubayashi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...
Publication number
20230081800
Publication date
Mar 16, 2023
FUJIFILM CORPORATION
Atsushi MOROOKA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
Publication number
20210090599
Publication date
Mar 25, 2021
FUJIFILM CORPORATION
Megumi NAKANO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
Publication number
20210082463
Publication date
Mar 18, 2021
FUJIFILM CORPORATION
Eiki OZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
Publication number
20200312362
Publication date
Oct 1, 2020
FUJIFILM CORPORATION
Wataru KIKUCHI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE DEVICE
Publication number
20200251141
Publication date
Aug 6, 2020
FUJIFILM CORPORATION
Eiki OZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
PARTICLES OF beta-IRON OXYHYDROXIDE-BASED COMPOUND, MANUFACTURING M...
Publication number
20190300380
Publication date
Oct 3, 2019
FUJIFILM CORPORATION
Kenji NAOI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MAGNETIC TAPE DEVICE, MAGNETIC REPRODUCING METHOD, AND HEAD TRACKIN...
Publication number
20190051325
Publication date
Feb 14, 2019
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20190027179
Publication date
Jan 24, 2019
FUJIFILM CORPORATION
Eiki OZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE DEVICE, MAGNETIC REPRODUCING METHOD, AND HEAD TRACKIN...
Publication number
20180286444
Publication date
Oct 4, 2018
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE
Publication number
20180286443
Publication date
Oct 4, 2018
FUJIFILM CORPORATION
Eiki OZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20180286445
Publication date
Oct 4, 2018
Fuji Electric Co., Ltd.
Tomohiro MORIYA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM FOR MICROWAVE ASSISTED RECORDING AND MAGN...
Publication number
20170316799
Publication date
Nov 2, 2017
FUJIFILM CORPORATION
Osamu SHIMIZU
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, MAGNETIC RECORDING AND REPR...
Publication number
20170178676
Publication date
Jun 22, 2017
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC SIGNAL REPRODUCTION DEVICE AND...
Publication number
20170092314
Publication date
Mar 30, 2017
FUJIFILM CORPORATION
Masahiko MORI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE AND METHOD OF MANUFACTURING THE SAME
Publication number
20170032812
Publication date
Feb 2, 2017
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20160180875
Publication date
Jun 23, 2016
Hitachi Maxell, Ltd.
Kenji TANAKA
G11 - INFORMATION STORAGE
Information
Patent Application
Thin Film Media Structure For Perpendicular Magnetic Recording and...
Publication number
20140233363
Publication date
Aug 21, 2014
Mark Kryder
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC PARTICLES AND METHOD OF MANUFACTURING THE SAME, AND USAGE...
Publication number
20130164563
Publication date
Jun 27, 2013
FUJIFILM CORPORATION
Kazufumi OMURA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND PRODUCTION METHOD OF MAGNETIC RECORDI...
Publication number
20130034748
Publication date
Feb 7, 2013
AKITA UNIVERSITY
Shunji Ishio
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20120045664
Publication date
Feb 23, 2012
Kenji TANAKA
G11 - INFORMATION STORAGE
Information
Patent Application
Fine Structural Body, Method For Manufacturing Fine Structural Body...
Publication number
20110287282
Publication date
Nov 24, 2011
Shin-ichi Ohkoshi
G11 - INFORMATION STORAGE
Information
Patent Application
COMPOSITE MAGNETIC RECORDING MEDIA
Publication number
20110229739
Publication date
Sep 22, 2011
Imation Corp.
Tryg R. Jensen
G11 - INFORMATION STORAGE
Information
Patent Application
TITANIUM OXIDE PARTICLES, MANUFACTURING METHOD THEREOF, MAGNETIC ME...
Publication number
20110204278
Publication date
Aug 25, 2011
The University of Tokyo
Shin-ichi Ohkoshi
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIA
Publication number
20110151281
Publication date
Jun 23, 2011
Hitachi Maxell, Ltd.
Tetsutaro INOUE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC POWDER SUITABLE FOR LOW-NOISE MEDIA
Publication number
20110123426
Publication date
May 26, 2011
DOWA ELECTRONICS MATERIALS CO., LTD.
Kenji MASADA
G11 - INFORMATION STORAGE
Information
Patent Application
Iron nitride powders for use in magnetic, electromagnetic, and micr...
Publication number
20110059005
Publication date
Mar 10, 2011
Suryanarayan G. Sankar
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
IRON NITRIDE MAGNETIC POWDER AND MAGNETIC RECORDING MEDIUM COMPRISI...
Publication number
20100035086
Publication date
Feb 11, 2010
HITACHI MAXELL LTD.
Tetsutaro INOUE
G11 - INFORMATION STORAGE
Information
Patent Application
Iron Nitride-Based Magnetic Powder, Process for Producing the Same,...
Publication number
20090252991
Publication date
Oct 8, 2009
Yuzo Ishikawa
G11 - INFORMATION STORAGE
Information
Patent Application
Nano-scale self assembly in spinels induced by Jahn-Teller distortion
Publication number
20090218538
Publication date
Sep 3, 2009
Rutgers, The State University
Sang-Wook Cheong
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
IRON NITRIDE POWDER, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC...
Publication number
20090087688
Publication date
Apr 2, 2009
FUJIFILM CORPORATION
Kouichi Masaki
G11 - INFORMATION STORAGE