characterised by the surface treatment or coating of magnetic particles

Industry

CPC
G11B5/712

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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

G11B5/712characterised by the surface treatment or coating of magnetic particles

Industries

Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape cartridge and magnetic recording and reproducing device
- Patent number 12,217,777
- Issue date Feb 4, 2025
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
- Patent number 12,051,448
- Issue date Jul 30, 2024
- FUJIFILM Corporation
- Noriko Oyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having characterized vertical SFD, magnet...
- Patent number 11,894,032
- Issue date Feb 6, 2024
- FUJIFILM Corporation
- Eiki Ozawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing magnetic powder and method of producing magneti...
- Patent number 11,830,533
- Issue date Nov 28, 2023
- Sony Corporation
- Natsuki Toyosawa
- 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
Process for forming magnetic recording layer for tape media
- Patent number 11,790,942
- Issue date Oct 17, 2023
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape media having synergistic magnetic recording layer and underlayer
- Patent number 11,749,306
- Issue date Sep 5, 2023
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Hexagonal strontium ferrite powder, magnetic recording medium, and...
- Patent number 11,705,156
- Issue date Jul 18, 2023
- FUJIFILM Corporation
- Kenji Naoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape having characterized magnetic layer and magnetic reco...
- Patent number 11,581,015
- Issue date Feb 14, 2023
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having -iron oxide-containing particles
- Patent number 11,574,651
- Issue date Feb 7, 2023
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape having characterized magnetic layer and magnetic reco...
- Patent number 11,551,716
- Issue date Jan 10, 2023
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a magnetic powder and method of producing a mag...
- Patent number 11,521,649
- Issue date Dec 6, 2022
- Sony Corporation
- Atsushi Muramatsu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium, manufacturing method of particles of eps...
- Patent number 11,508,406
- Issue date Nov 22, 2022
- FUJIFILM Corporation
- Takashi Fujimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording and reproducing de...
- Patent number 11,501,798
- Issue date Nov 15, 2022
- FUJIFILM Corporation
- Noriko Imaoka
- 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 having characterized magnetic layer and magnetic reco...
- Patent number 11,462,242
- Issue date Oct 4, 2022
- FUJIFILM Corporation
- Takahiro Iwamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape, magnetic tape cartridge, and magnetic recording and...
- Patent number 11,423,934
- Issue date Aug 23, 2022
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape having characterized magnetic layer and magnetic reco...
- Patent number 11,373,680
- Issue date Jun 28, 2022
- FUJIFILM Corporation
- Takahiro Iwamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape having characterized magnetic layer and magnetic reco...
- Patent number 11,361,793
- Issue date Jun 14, 2022
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape having characterized magnetic layer and magnetic reco...
- Patent number 11,361,792
- Issue date Jun 14, 2022
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape having characterized back coating layer, magnetic tap...
- Patent number 11,355,147
- Issue date Jun 7, 2022
- FUJIFILM Corporation
- Yoshihiro Sawayashiki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic powder, method for production thereof, and magnetic record...
- Patent number 11,355,270
- Issue date Jun 7, 2022
- Sony Corporation
- Masaru Terakawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Core-shell particle, fired product of core-shell particle, manufact...
- Patent number 11,348,711
- Issue date May 31, 2022
- FUJIFILM Corporation
- Kenji Naoi
- C01 - INORGANIC CHEMISTRY
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 tape having controlled dimensions, magnetic tape cartridge...
- Patent number 11,295,776
- Issue date Apr 5, 2022
- FUJIFILM Corporation
- Yuto Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Single reel magnetic tape cartridge with predefined servo band inte...
- Patent number 11,257,518
- Issue date Feb 22, 2022
- FUJIFILM Corporation
- Yuto Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording and reproducing de...
- Patent number 11,250,881
- Issue date Feb 15, 2022
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Hexagonal strontium ferrite powder, magnetic recording medium, and...
- Patent number 11,222,661
- Issue date Jan 11, 2022
- FUJIFILM Corporation
- Kenji Naoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having controlled coercive force ratio
- Patent number 11,217,277
- Issue date Jan 4, 2022
- Sony Corporation
- Masaru Terakawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
- Publication number 20230360671
- Publication date Nov 9, 2023
- FUJIFILM CORPORATION
- Noriko OYANAGI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...
- Publication number 20230290376
- Publication date Sep 14, 2023
- FUJIFILM CORPORATION
- Takashi FUJIMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...
- Publication number 20230238025
- Publication date Jul 27, 2023
- FUJIFILM CORPORATION
- Eiki OZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE CARTRIDGE AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20220366935
- Publication date Nov 17, 2022
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20220284923
- Publication date Sep 8, 2022
- SONY GROUP CORPORATION
- Minoru YAMAGA
- 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
HEXAGONAL STRONTIUM FERRITE POWDER, MAGNETIC RECORDING MEDIUM, AND...
- Publication number 20220093126
- Publication date Mar 24, 2022
- FUJIFILM CORPORATION
- Kenji NAOI
- G11 - INFORMATION STORAGE
Information Patent Application
TAPE MEDIA HAVING SYNERGISTIC MAGNETIC RECORDING LAYER AND UNDERLAYER
- Publication number 20210390980
- Publication date Dec 16, 2021
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER AND MAGNETIC RECO...
- Publication number 20210358521
- Publication date Nov 18, 2021
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER AND MAGNETIC RECO...
- Publication number 20210335387
- Publication date Oct 28, 2021
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER AND MAGNETIC RECO...
- Publication number 20210287712
- Publication date Sep 16, 2021
- FUJIFILM CORPORATION
- Takahiro IWAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS
- Publication number 20210241787
- Publication date Aug 5, 2021
- FUJIFILM CORPORATION
- Yuto Murata
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
- Publication number 20210090600
- Publication date Mar 25, 2021
- FUJIFILM CORPORATION
- Takuto KUROKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
PROCESS FOR FORMING MAGNETIC RECORDING LAYER FOR TAPE MEDIA
- Publication number 20210056992
- Publication date Feb 25, 2021
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Application
UNDERLAYER FORMULATION FOR TAPE MEDIA
- Publication number 20210056993
- Publication date Feb 25, 2021
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Application
ORIENTATION DEVICE, PRODUCTION METHOD FOR MAGNETIC RECORDING MEDIUM...
- Publication number 20200402533
- Publication date Dec 24, 2020
- SONY CORPORATION
- Eiji NAKASHIO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
- Publication number 20200365178
- Publication date Nov 19, 2020
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
- Publication number 20200312360
- Publication date Oct 1, 2020
- FUJIFILM CORPORATION
- Noriko IMAOKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND...
- Publication number 20200312361
- Publication date Oct 1, 2020
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC POWDER, METHOD FOR PRODUCTION THEREOF, AND MAGNETIC RECORD...
- Publication number 20200303104
- Publication date Sep 24, 2020
- SONY CORPORATION
- MASARU TERAKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND...
- Publication number 20200302962
- Publication date Sep 24, 2020
- FUJIFILM CORPORATION
- Yoshihiro SAWAYASHIKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE CARTRIDGE AND MAGNETIC TAPE DEVICE
- Publication number 20200302963
- Publication date Sep 24, 2020
- FUJIFILM CORPORATION
- Yuto Murata
- G11 - INFORMATION STORAGE
Information Patent Application
CURING AGENT FOR MAGNETIC RECORDING MEDIUM, COMPOSITION FOR MAGNETI...
- Publication number 20200227080
- Publication date Jul 16, 2020
- FUJIFILM CORPORATION
- Wataru KIKUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20200227084
- Publication date Jul 16, 2020
- FUJIFILM CORPORATION
- Takahiro IWAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
HEXAGONAL STRONTIUM FERRITE POWDER, MAGNETIC RECORDING MEDIUM, AND...
- Publication number 20200227083
- Publication date Jul 16, 2020
- FUJIFILM CORPORATION
- Kenji Naoi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200066302
- Publication date Feb 27, 2020
- SONY CORPORATION
- Masaru TERAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20190362753
- Publication date Nov 28, 2019
- SONY CORPORATION
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MANUFACTURING METHOD OF PARTICLES OF EPS...
- Publication number 20190304496
- Publication date Oct 3, 2019
- FUJIFILM CORPORATION
- Takashi FUJIMOTO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
MAGNETIC TAPE, MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND...
- Publication number 20190304488
- Publication date Oct 3, 2019
- FUJIFILM CORPORATION
- Eiki OZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20190295584
- Publication date Sep 26, 2019
- SONY CORPORATION
- Masaru Terakawa
- G11 - INFORMATION STORAGE

characterised by the surface treatment or coating of magnetic particles

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic tape cartridge and magnetic recording and reproducing device

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

Magnetic recording medium having characterized vertical SFD, magnet...

Method of producing magnetic powder and method of producing magneti...

Magnetic recording medium

Magnetic recording medium

Process for forming magnetic recording layer for tape media

Tape media having synergistic magnetic recording layer and underlayer

Hexagonal strontium ferrite powder, magnetic recording medium, and...

Magnetic tape having characterized magnetic layer and magnetic reco...

Magnetic recording medium having -iron oxide-containing particles

Magnetic tape having characterized magnetic layer and magnetic reco...

Method of producing a magnetic powder and method of producing a mag...

Magnetic recording medium, manufacturing method of particles of eps...

Magnetic recording medium and magnetic recording and reproducing de...

Magnetic recording medium

Magnetic tape having characterized magnetic layer and magnetic reco...

Magnetic tape, magnetic tape cartridge, and magnetic recording and...

Magnetic tape having characterized magnetic layer and magnetic reco...

Magnetic tape having characterized magnetic layer and magnetic reco...

Magnetic tape having characterized magnetic layer and magnetic reco...

Magnetic tape having characterized back coating layer, magnetic tap...

Magnetic powder, method for production thereof, and magnetic record...

Core-shell particle, fired product of core-shell particle, manufact...

Orientation device, production method for magnetic recording medium...

Magnetic tape having controlled dimensions, magnetic tape cartridge...

Single reel magnetic tape cartridge with predefined servo band inte...

Magnetic recording medium and magnetic recording and reproducing de...

Hexagonal strontium ferrite powder, magnetic recording medium, and...

Magnetic recording medium having controlled coercive force ratio

Patents Applicationslast 30 patents

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS

MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...

MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RE...

MAGNETIC TAPE CARTRIDGE AND MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

HEXAGONAL STRONTIUM FERRITE POWDER, MAGNETIC RECORDING MEDIUM, AND...

TAPE MEDIA HAVING SYNERGISTIC MAGNETIC RECORDING LAYER AND UNDERLAYER

MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER AND MAGNETIC RECO...

MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER AND MAGNETIC RECO...

MAGNETIC TAPE HAVING CHARACTERIZED MAGNETIC LAYER AND MAGNETIC RECO...

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...

PROCESS FOR FORMING MAGNETIC RECORDING LAYER FOR TAPE MEDIA

UNDERLAYER FORMULATION FOR TAPE MEDIA

ORIENTATION DEVICE, PRODUCTION METHOD FOR MAGNETIC RECORDING MEDIUM...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND...

MAGNETIC POWDER, METHOD FOR PRODUCTION THEREOF, AND MAGNETIC RECORD...

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND...

MAGNETIC TAPE CARTRIDGE AND MAGNETIC TAPE DEVICE

CURING AGENT FOR MAGNETIC RECORDING MEDIUM, COMPOSITION FOR MAGNETI...

MAGNETIC TAPE AND MAGNETIC RECORDING AND REPRODUCING DEVICE

HEXAGONAL STRONTIUM FERRITE POWDER, MAGNETIC RECORDING MEDIUM, AND...

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM, MANUFACTURING METHOD OF PARTICLES OF EPS...

MAGNETIC TAPE, MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND...

MAGNETIC RECORDING MEDIUM