manufacturing base layers

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CPC
G11B5/8404

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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

G11B5/8404manufacturing base layers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Polishing liquid and method for manufacturing glass substrate
- Patent number 12,252,633
- Issue date Mar 18, 2025
- Hoya Corporation
- Toshio Takizawa
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing liquid
- Patent number 12,203,007
- Issue date Jan 21, 2025
- Hoya Corporation
- Hiroki Nakagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dummy substrate and manufacturing method thereof
- Patent number 12,198,742
- Issue date Jan 14, 2025
- RESONAC HARD DISK CORPORATION
- Sunao Kakita
- G11 - INFORMATION STORAGE
Information Patent Grant
Chamfer formation on data storage disc substrates
- Patent number 12,159,658
- Issue date Dec 3, 2024
- Seagate Technology, LLC
- Sideq Bin Salleh
- B24 - GRINDING POLISHING
Information Patent Grant
Method for manufacturing substrate and method for manufacturing sub...
- Patent number 12,145,238
- Issue date Nov 19, 2024
- Hoya Corporation
- Masao Takano
- B24 - GRINDING POLISHING
Information Patent Grant
Aluminum alloy disc blank for magnetic disc and magnetic disc
- Patent number 12,087,342
- Issue date Sep 10, 2024
- UACJ Corporation
- Kotaro Kitawaki
- 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
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 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-disk glass substrate, magnetic-disk glass substrate interm...
- Patent number 11,710,505
- Issue date Jul 25, 2023
- Hoya Corporation
- Shuhei Azuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device
- Patent number 11,682,424
- Issue date Jun 20, 2023
- Hoya Corporation
- Masanobu Itaya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Polishing liquid, method for manufacturing glass substrate, and met...
- Patent number 11,680,187
- Issue date Jun 20, 2023
- Hoya Corporation
- Toshio Takizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Tuned edge profile of a disk substrate for use in magnetic recordin...
- Patent number 11,664,050
- Issue date May 30, 2023
- Western Digital Technologies, Inc.
- Shoji Suzuki
- 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
Sputtering target, granular film and perpendicular magnetic recordi...
- Patent number 11,591,688
- Issue date Feb 28, 2023
- JX Nippon Mining & Metals Corporation
- Masayoshi Shimizu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Fabrication methods for magnetic recording tape having resilient su...
- Patent number 11,495,259
- Issue date Nov 8, 2022
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Protective layer for mitigating protruding defects in magnetic tape...
- Patent number 11,488,629
- Issue date Nov 1, 2022
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Spacer, laminate of substrates, method for manufacturing substrate,...
- Patent number 11,471,993
- Issue date Oct 18, 2022
- Hoya Corporation
- Masao Takano
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing aluminum platter
- Patent number 11,447,661
- Issue date Sep 20, 2022
- Kao Corporation
- Keisuke Ando
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Aluminium alloy substrate for magnetic disk, method for fabricating...
- Patent number 11,404,082
- Issue date Aug 2, 2022
- UACJ Corporation
- Kotaro Kitawaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Protective layer for mitigating protruding defects in magnetic tape...
- Patent number 11,393,501
- Issue date Jul 19, 2022
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of laser cutting a hard disk drive substrate for an edge pro...
- Patent number 11,367,462
- Issue date Jun 21, 2022
- Seagate Technology LLC
- Thomas Larson Greenberg
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Aluminum alloy sheet for magnetic disk and production method theref...
- Patent number 11,361,791
- Issue date Jun 14, 2022
- UACJ Corporation
- Kotaro Kitawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Aluminum alloy substrate for magnetic disk, disk drive device, meth...
- Patent number 11,335,367
- Issue date May 17, 2022
- Furukawa Electric Co., Ltd.
- Kimie Imakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Protective layer for mitigating protruding defects in magnetic tape...
- Patent number 11,322,175
- Issue date May 3, 2022
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording tape fabrication method having peek substrate
- Patent number 11,315,596
- Issue date Apr 26, 2022
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk substrate, method for manufacturing same and magnetic...
- Patent number 11,270,730
- Issue date Mar 8, 2022
- UACJ Corporation
- Takuya Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Polishing liquid, method for manufacturing glass substrate, and met...
- Patent number 11,214,713
- Issue date Jan 4, 2022
- Hoya Corporation
- Toshio Takizawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Magnetic-disk glass substrate, magnetic-disk glass substrate interm...
- Patent number 11,211,090
- Issue date Dec 28, 2021
- Hoya Corporation
- Shuhei Azuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, manufacturing method of ϵ-type iron oxid...
- Patent number 11,200,913
- Issue date Dec 14, 2021
- FUJIFILM Corporation
- Takashi Fujimoto
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
CHAMFER FORMATION ON DATA STORAGE DISC SUBSTRATES
- Publication number 20250069625
- Publication date Feb 27, 2025
- SEAGATE TECHNOLOGY LLC
- Sideq Bin Salleh
- G11 - INFORMATION STORAGE
Information Patent Application
SUBSTRATE FOR MAGNETIC DISK, MANUFACTURING METHOD THEREOF, AND MAGN...
- Publication number 20240371404
- Publication date Nov 7, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Hideyuki HATAKEYAMA
- 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
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
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
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
Information Patent Application
POLISHING LIQUID AND METHOD FOR MANUFACTURING GLASS SUBSTRATE
- Publication number 20230287244
- Publication date Sep 14, 2023
- HOYA CORPORATION
- Toshio TAKIZAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DUMMY SUBSTRATE AND MANUFACTURING METHOD THEREOF CROSS-REFERENCE TO...
- Publication number 20230186948
- Publication date Jun 15, 2023
- SHOWA DENKO K.K.
- Sunao KAKITA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DISK WITH HIGH INTERNAL STRESS TO REDUCE DISK DE...
- Publication number 20230110894
- Publication date Apr 13, 2023
- Western Digital Technologies, Inc.
- Shoji Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
TUNED EDGE PROFILE OF A DISK SUBSTRATE FOR USE IN MAGNETIC RECORDIN...
- Publication number 20230104944
- Publication date Apr 6, 2023
- Western Digital Technologies, Inc.
- Shoji Suzuki
- 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
SPACER AND LAMINATE
- Publication number 20230015283
- Publication date Jan 19, 2023
- HOYA CORPORATION
- Masao TAKANO
- B24 - GRINDING POLISHING
Information Patent Application
METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING MAGN...
- Publication number 20220298053
- Publication date Sep 22, 2022
- HOYA CORPORATION
- Toshio TAKIZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING ANNULAR GLASS PLATE, METHOD FOR MANUFACTUR...
- Publication number 20220274870
- Publication date Sep 1, 2022
- Shuhei AZUMA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR MANUFACTURING GLASS PLATE AND METHOD FOR MANUFACTURING M...
- Publication number 20220227654
- Publication date Jul 21, 2022
- HOYA CORPORATION
- Shuhei AZUMA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
POLISHING LIQUID, METHOD FOR MANUFACTURING GLASS SUBSTRATE, AND MET...
- Publication number 20220119680
- Publication date Apr 21, 2022
- HOYA CORPORATION
- Toshio TAKIZAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE, MAGNETIC-DISK GLASS SUBSTRATE INTERM...
- Publication number 20220101877
- Publication date Mar 31, 2022
- HOYA CORPORATION
- Shuhei AZUMA
- G11 - INFORMATION STORAGE
Information Patent Application
BASE MEMBER, SPINDLE MOTOR, AND HARD DISK DRIVE DEVICE
- Publication number 20220068305
- Publication date Mar 3, 2022
- MINEBEA MITSUMI INC.
- Hideaki SHOWA
- G11 - INFORMATION STORAGE
Information Patent Application
DUMMY SUBSTRATE AND MANUFACTURING METHOD THEREOF
- Publication number 20220068304
- Publication date Mar 3, 2022
- SHOWA DENKO K.K.
- Sunao Kakita
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK SUBSTRATE, MAGNETIC DISK, AND MAGNETIC-DISK DRIVE DEVICE
- Publication number 20210375313
- Publication date Dec 2, 2021
- Hoya Corporation
- Masanobu ITAYA
- B82 - NANO-TECHNOLOGY
Information Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK AND METHOD FOR MANUFACTU...
- Publication number 20210358520
- Publication date Nov 18, 2021
- UACJ CORPORATION
- Takuya MURATA
- G11 - INFORMATION STORAGE
Information Patent Application
POLISHING LIQUID, CARRIER PARTICLE, METHOD FOR REDUCING CERIUM OXID...
- Publication number 20210348030
- Publication date Nov 11, 2021
- Hoya Corporation
- Hiroki NAKAGAWA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ALUMINUM ALLOY SHEET FOR MAGNETIC DISK AND PRODUCTION METHOD THEREF...
- Publication number 20210264944
- Publication date Aug 26, 2021
- UACJ CORPORATION
- Kotaro KITAWAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SPUTTERING TARGET, GRANULAR FILM AND PERPENDICULAR MAGNETIC RECORDI...
- Publication number 20210246543
- Publication date Aug 12, 2021
- JX NIPPON MINING & METALS CORPORATION
- Masayoshi Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE
- Publication number 20210198524
- Publication date Jul 1, 2021
- YAMAGUCHI SEIKEN KOGYO CO., LTD.
- Junichiro Ando
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ALUMINIUM ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR FABRICATING...
- Publication number 20210201946
- Publication date Jul 1, 2021
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
FABRICATION METHODS FOR MAGNETIC RECORDING TAPE HAVING RESILIENT SU...
- Publication number 20210151078
- Publication date May 20, 2021
- International Business Machines Corporation
- Richard Bradshaw
- 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
METHODS OF FORMING MAGNETIC MATERIALS AND ARTICLES FORMED THEREBY
- Publication number 20210090774
- Publication date Mar 25, 2021
- SEAGATE TECHNOLOGY LLC
- Sarbeswar Sahoo
- G11 - INFORMATION STORAGE

manufacturing base layers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Polishing liquid and method for manufacturing glass substrate

Polishing liquid

Dummy substrate and manufacturing method thereof

Chamfer formation on data storage disc substrates

Method for manufacturing substrate and method for manufacturing sub...

Aluminum alloy disc blank for magnetic disc and magnetic disc

Method for manufacturing annular glass plate, method for manufactur...

Spacer and laminate

Magnetic recording media with tungsten pre-seed layer

Magnetic-disk glass substrate, magnetic-disk glass substrate interm...

Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device

Polishing liquid, method for manufacturing glass substrate, and met...

Tuned edge profile of a disk substrate for use in magnetic recordin...

Magnetic media design with multiple non-magnetic exchange control l...

Sputtering target, granular film and perpendicular magnetic recordi...

Fabrication methods for magnetic recording tape having resilient su...

Protective layer for mitigating protruding defects in magnetic tape...

Spacer, laminate of substrates, method for manufacturing substrate,...

Method for producing aluminum platter

Aluminium alloy substrate for magnetic disk, method for fabricating...

Protective layer for mitigating protruding defects in magnetic tape...

Method of laser cutting a hard disk drive substrate for an edge pro...

Aluminum alloy sheet for magnetic disk and production method theref...

Aluminum alloy substrate for magnetic disk, disk drive device, meth...

Protective layer for mitigating protruding defects in magnetic tape...

Magnetic recording tape fabrication method having peek substrate

Magnetic disk substrate, method for manufacturing same and magnetic...

Polishing liquid, method for manufacturing glass substrate, and met...

Magnetic-disk glass substrate, magnetic-disk glass substrate interm...

Magnetic recording medium, manufacturing method of ϵ-type iron oxid...

Patents Applicationslast 30 patents

CHAMFER FORMATION ON DATA STORAGE DISC SUBSTRATES

SUBSTRATE FOR MAGNETIC DISK, MANUFACTURING METHOD THEREOF, AND MAGN...

ANNULAR GLASS PLATE, METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR M...

GLASS SHEET FOR FABRICATING MAGNETIC RECORDING MEDIA AND METHOD OF...

METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING GLAS...

METHOD FOR MANUFACTURING SUBSTRATE AND METHOD FOR MANUFACTURING SUB...

ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC

POLISHING LIQUID AND METHOD FOR MANUFACTURING GLASS SUBSTRATE

DUMMY SUBSTRATE AND MANUFACTURING METHOD THEREOF CROSS-REFERENCE TO...

MAGNETIC RECORDING DISK WITH HIGH INTERNAL STRESS TO REDUCE DISK DE...

TUNED EDGE PROFILE OF A DISK SUBSTRATE FOR USE IN MAGNETIC RECORDIN...

MAGNETIC RECORDING MEDIA WITH TUNGSTEN PRE-SEED LAYER

SPACER AND LAMINATE

METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING MAGN...

METHOD FOR MANUFACTURING ANNULAR GLASS PLATE, METHOD FOR MANUFACTUR...

METHOD FOR MANUFACTURING GLASS PLATE AND METHOD FOR MANUFACTURING M...

POLISHING LIQUID, METHOD FOR MANUFACTURING GLASS SUBSTRATE, AND MET...

MAGNETIC-DISK GLASS SUBSTRATE, MAGNETIC-DISK GLASS SUBSTRATE INTERM...

BASE MEMBER, SPINDLE MOTOR, AND HARD DISK DRIVE DEVICE

DUMMY SUBSTRATE AND MANUFACTURING METHOD THEREOF

MAGNETIC-DISK SUBSTRATE, MAGNETIC DISK, AND MAGNETIC-DISK DRIVE DEVICE

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK AND METHOD FOR MANUFACTU...

POLISHING LIQUID, CARRIER PARTICLE, METHOD FOR REDUCING CERIUM OXID...

ALUMINUM ALLOY SHEET FOR MAGNETIC DISK AND PRODUCTION METHOD THEREF...

SPUTTERING TARGET, GRANULAR FILM AND PERPENDICULAR MAGNETIC RECORDI...

POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE

ALUMINIUM ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR FABRICATING...

FABRICATION METHODS FOR MAGNETIC RECORDING TAPE HAVING RESILIENT SU...

MAGNETIC MEDIA DESIGN WITH MULTIPLE NON-MAGNETIC EXCHANGE CONTROL L...

METHODS OF FORMING MAGNETIC MATERIALS AND ARTICLES FORMED THEREBY