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G11B5/70689
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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
G11B5/70689
Magnetite
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Magnetic recording medium, magnetic tape cartridge, and magnetic re...
Patent number
11,842,756
Issue date
Dec 12, 2023
FUJIFILM Corporation
Takashi Fujimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
11,495,258
Issue date
Nov 8, 2022
Sony Group Corporation
Minoru Yamaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape with particular refractive index characteristics, mag...
Patent number
11,443,766
Issue date
Sep 13, 2022
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
Patent number
11,430,478
Issue date
Aug 30, 2022
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape with particular refractive index characteristics, mag...
Patent number
11,423,935
Issue date
Aug 23, 2022
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape with particular refractive index characteristics, mag...
Patent number
11,145,325
Issue date
Oct 12, 2021
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape with particular refractive index characteristics, mag...
Patent number
11,087,793
Issue date
Aug 10, 2021
FUJIFILM Corporation
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Grant
Ferromagnetic powder, and coating material and magnetic recording m...
Patent number
7,763,352
Issue date
Jul 27, 2010
Dowa Electronics Materials Co., Ltd.
Yoshiyuki Shoji
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,120,877
Issue date
Sep 19, 2000
Victor Company of Japan, Limited
Takayuki Deno
G11 - INFORMATION STORAGE
Information
Patent Grant
Iron oxide magnetic powder and magnetic recording medium using the...
Patent number
5,989,703
Issue date
Nov 23, 1999
Sony Corporation
Makoto Inoue
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Processes for producing hydrated iron oxide and ferromagnetic iron...
Patent number
5,911,905
Issue date
Jun 15, 1999
Titan Kogyo Kabushiki Kaisha
Hideaki Tokunaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
High-purity ferromagnetic iron oxide pigments
Patent number
5,769,937
Issue date
Jun 23, 1998
BASF Aktiengesellschaft
Claudius Kormann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing co-coated acicular magnetite particles
Patent number
5,650,194
Issue date
Jul 22, 1997
Toda Kogyo Corporation
Minoru Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Acicular magnetic iron oxide particles and process for producing th...
Patent number
5,648,014
Issue date
Jul 15, 1997
Toda Kogyo Corporation
Mitsuaki Hatatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Co-coated acicular magnetite particles and process for producing th...
Patent number
5,626,962
Issue date
May 6, 1997
Toda Kogyo Corporation
Minoru Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic particles comprising magnetite core and process for produc...
Patent number
5,599,627
Issue date
Feb 4, 1997
Toda Kogyo Corporation
Koso Aoki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for producing single phase magnetite powder
Patent number
5,512,195
Issue date
Apr 30, 1996
Fuji Electrochemical Co. Ltd.
Yasuhiko Mano
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Magnetic iron oxide particles, a process for producing the same and...
Patent number
5,449,565
Issue date
Sep 12, 1995
Toda Kogyo Corporation
Koso Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic iron oxide particles
Patent number
5,124,207
Issue date
Jun 23, 1992
Toda Kogyo Corp.
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Sphere-like magnetite particles and a process for producing the same
Patent number
4,992,191
Issue date
Feb 12, 1991
Toda Kogyo Corporation
Keiso Mori
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Spindle-like magnetic iron oxide particles and process for producin...
Patent number
4,873,010
Issue date
Oct 10, 1989
Toda Kogyo Corp.
Atsushi Takedoi
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for producing plate-like magnetite particles and plate-like...
Patent number
4,865,834
Issue date
Sep 12, 1989
Toda Kogyo Corp.
Mamoru Tanihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
4,621,018
Issue date
Nov 4, 1986
TDK Corporation
Kuniichi Yoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bacteria and products derived therefrom
Patent number
4,385,119
Issue date
May 24, 1983
BioMagnetech Corp.
Richard P. Blakemore
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Magnetic recording medium
Patent number
4,323,621
Issue date
Apr 6, 1982
Agfa-Gevaert Aktiengesellschaft
Heinrich Kober
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for producing iron oxide
Patent number
4,305,921
Issue date
Dec 15, 1981
TDK Electronics Co., Ltd.
Shinji Umeki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Magnetic toners containing cubical magnetite
Patent number
4,272,600
Issue date
Jun 9, 1981
Xerox Corporation
Donald S. Sypula
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Stabilization of magnetite pigments with heterocyclic nitrogen comp...
Patent number
4,264,462
Issue date
Apr 28, 1981
Bayer Aktiengesellschaft
Gunter Buxbaum
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Manufacture of acicular magnetic iron oxide
Patent number
4,259,368
Issue date
Mar 31, 1981
BASF Aktiengesellschaft
Peter Rudolf
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for producing magnetic FE oxide
Patent number
4,179,387
Issue date
Dec 18, 1979
Fuji Photo Film Co., Ltd.
Koji Sasazawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...
Publication number
20230260544
Publication date
Aug 17, 2023
FUJIFILM CORPORATION
Takashi FUJIMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20220208227
Publication date
Jun 30, 2022
Minoru YAMAGA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...
Publication number
20210287713
Publication date
Sep 16, 2021
FUJIFILM CORPORATION
Norihito Kasada
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE WITH PARTICULAR REFRACTIVE INDEX CHARACTERISTICS, MAG...
Publication number
20210280212
Publication date
Sep 9, 2021
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
Publication number
20200211593
Publication date
Jul 2, 2020
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
Publication number
20200211592
Publication date
Jul 2, 2020
FUJIFILM CORPORATION
Norihito KASADA
G11 - INFORMATION STORAGE
Information
Patent Application
Use of a powder composition and a medium
Publication number
20080044346
Publication date
Feb 21, 2008
HOGANAS AB
Lars Hultman
G11 - INFORMATION STORAGE
Information
Patent Application
Ferromagnetic powder, and coating material and magnetic recording m...
Publication number
20070059557
Publication date
Mar 15, 2007
Yoshiyuki Shoji
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20010012574
Publication date
Aug 9, 2001
Victor Company of Japan, Ltd.
Yoshiteru Matsubayashi
G11 - INFORMATION STORAGE