without bonding agent in the material

Industry

CPC
G11B5/731

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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

G11B5/731without bonding agent in the material

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic-disk glass substrate
- Patent number 11,024,335
- Issue date Jun 1, 2021
- Hoya Corporation
- Shuhei Azuma
- B24 - GRINDING POLISHING
Information Patent Grant
Underlayer for perpendicularly magnetized film, perpendicularly mag...
- Patent number 10,832,719
- Issue date Nov 10, 2020
- National Institute for Materials Science
- Hiroaki Sukegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Glass for data storage medium substrate, glass substrate for data s...
- Patent number 10,766,806
- Issue date Sep 8, 2020
- AGC Inc.
- Eriko Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Aluminum alloy substrate for magnetic discs and manufacturing metho...
- Patent number 10,755,738
- Issue date Aug 25, 2020
- UACJ Corporation
- Kotaro Kitawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Base for magnetic recording medium, and HDD
- Patent number 10,699,738
- Issue date Jun 30, 2020
- Showa Denko K.K.
- Koji Yukimatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium substrate and hard disk drive
- Patent number 10,593,359
- Issue date Mar 17, 2020
- Showa Denko K.K.
- Isao Murase
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk glass substrate, magnetic disk and method for manufac...
- Patent number 10,580,448
- Issue date Mar 3, 2020
- Hoya Corporation
- Masaaki Ueda
- B24 - GRINDING POLISHING
Information Patent Grant
Base for magnetic recording medium, and HDD
- Patent number 10,573,342
- Issue date Feb 25, 2020
- Showa Denko K.K.
- Isao Murase
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for magnetic disk and magnetic disk
- Patent number 10,553,243
- Issue date Feb 4, 2020
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for magnetic disk and magnetic disk
- Patent number 10,535,366
- Issue date Jan 14, 2020
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 10,529,367
- Issue date Jan 7, 2020
- Sony Corporation
- Junichi Tachibana
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate and magnetic disk
- Patent number 10,497,387
- Issue date Dec 3, 2019
- Hoya Corporation
- Masanobu Itaya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Substrate for magnetic disk and magnetic disk
- Patent number 10,431,252
- Issue date Oct 1, 2019
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 10,424,329
- Issue date Sep 24, 2019
- Sony Corporation
- Junichi Tachibana
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate, magnetic disk, and method for manufacturin...
- Patent number 10,319,403
- Issue date Jun 11, 2019
- Hoya Corporation
- Masanobu Itaya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium
- Patent number 10,311,908
- Issue date Jun 4, 2019
- Sony Corporation
- Takashi Aizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate and magnetic disk
- Patent number 10,290,315
- Issue date May 14, 2019
- Hoya Corporation
- Takeyoshi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate and magnetic disk
- Patent number 10,283,156
- Issue date May 7, 2019
- Hoya Corporation
- Masanobu Itaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Underlayer for perpendicularly magnetized film, perpendicularly mag...
- Patent number 10,199,063
- Issue date Feb 5, 2019
- National Institute for Materials Science
- Hiroaki Sukegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Enlarged substrate for magnetic recording medium
- Patent number 10,096,334
- Issue date Oct 9, 2018
- Seagate Technology LLC
- Koji Adachi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk glass substrate
- Patent number 10,032,472
- Issue date Jul 24, 2018
- Hoya Corporation
- Shuhei Azuma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Magnetic shift register
- Patent number 10,026,431
- Issue date Jul 17, 2018
- Carnegie Mellon University
- David M. Bromberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 9,911,445
- Issue date Mar 6, 2018
- Fuji Electric Co., Ltd.
- Shinji Uchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording and reproduction d...
- Patent number 9,905,258
- Issue date Feb 27, 2018
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Base for magnetic recording medium
- Patent number 9,875,765
- Issue date Jan 23, 2018
- Showa Denko K.K.
- Koji Yukimatsu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic-disk substrate having a small waviness, for use as a magne...
- Patent number 9,865,293
- Issue date Jan 9, 2018
- Hoya Corporation
- Takashi Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Iridium underlayer for heat assisted magnetic recording media
- Patent number 9,822,441
- Issue date Nov 21, 2017
- WD Media, LLC
- Jiaxing Liu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Enlarged substrate for magnetic recording medium
- Patent number 9,799,364
- Issue date Oct 24, 2017
- Seagate Technology LLC
- Koji Adachi
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for magnetic disk and magnetic disk for heat assist...
- Patent number 9,728,217
- Issue date Aug 8, 2017
- HOYA GLASS DISK VIETNAM II LTD.
- Masayoshi Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate having a small waviness, for use as a magne...
- Patent number 9,711,175
- Issue date Jul 18, 2017
- Hoya Corporation
- Takashi Maeda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ADDING A CAP-LAYER TO IMPROVE MAGNETIC RECORDING MEDIA
- Publication number 20200219534
- Publication date Jul 9, 2020
- SEAGATE TECHNOLOGY LLC
- Paul M. JONES
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HARD DISK DRIVE WITH MAGNETIC-DISK SUBSTRATE AND HARD DISK DRIVE WI...
- Publication number 20190228801
- Publication date Jul 25, 2019
- Hoya Corporation
- Masanobu Itaya
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE WITH MAGNETIC-DISK SUBSTRATE
- Publication number 20190221233
- Publication date Jul 18, 2019
- Hoya Corporation
- Takeyoshi TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
RESIN FILM
- Publication number 20190180781
- Publication date Jun 13, 2019
- TEIJIN FILM SOLUTIONS LIMITED
- Makoto HANDA
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM ALLOY PLATE FOR MAGNETIC DISC SUBSTRATE, METHOD FOR PRODUC...
- Publication number 20190172487
- Publication date Jun 6, 2019
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
UNDERLAYER FOR PERPENDICULARLY MAGNETIZED FILM, PERPENDICULARLY MAG...
- Publication number 20190172486
- Publication date Jun 6, 2019
- NATIONAL INSTITUTE FOR MATERIALS SCIENCE
- Hiroaki SUKEGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF PRODUCING ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC RECORDING...
- Publication number 20190122697
- Publication date Apr 25, 2019
- SHOWA DENKO K.K.
- Koji YUKIMATSU
- G11 - INFORMATION STORAGE
Information Patent Application
SUBSTRATE FOR A MAGNETIC DISK
- Publication number 20190066724
- Publication date Feb 28, 2019
- UACJ CORPORATION
- Toshihiro NAKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE
- Publication number 20180301164
- Publication date Oct 18, 2018
- Hoya Corporation
- Shuhei AZUMA
- B24 - GRINDING POLISHING
Information Patent Application
Sidewall Guided Directed Self Assembly Data Storage Medium
- Publication number 20180294007
- Publication date Oct 11, 2018
- Seagate Technology LLC
- Austin P. Lane
- G11 - INFORMATION STORAGE
Information Patent Application
BASE FOR MAGNETIC RECORDING MEDIUM, AND HDD
- Publication number 20180226095
- Publication date Aug 9, 2018
- SHOWA DENKO K.K.
- Isao MURASE
- G11 - INFORMATION STORAGE
Information Patent Application
BASE FOR MAGNETIC RECORDING MEDIUM, AND HDD
- Publication number 20180182424
- Publication date Jun 28, 2018
- SHOWA DENKO K.K.
- Koji YUKIMATSU
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE, MAGNETIC-DISK GLASS SUBSTRATE INTERM...
- Publication number 20180174606
- Publication date Jun 21, 2018
- HOYA CORPORATION
- Shuhei AZUMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20180122417
- Publication date May 3, 2018
- Kabushiki Kaisha Toshiba
- Akira WATANABE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20180114541
- Publication date Apr 26, 2018
- SONY CORPORATION
- Eiji NAKASHIO
- G11 - INFORMATION STORAGE
Information Patent Application
Enlarged Substrate for Magnetic Recording Medium
- Publication number 20180047421
- Publication date Feb 15, 2018
- Seagate Technology LLC
- Koji Adachi
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING AN EXTREMELY LOW HK L...
- Publication number 20180040345
- Publication date Feb 8, 2018
- HGST NETHERLANDS B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM SUBSTRATE AND HARD DISK DRIVE
- Publication number 20180012622
- Publication date Jan 11, 2018
- SHOWA DENKO K.K.
- Isao MURASE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK SUBSTRATE WITH SPECIFIED CHANGES IN HEIGHT OR DEPTH B...
- Publication number 20170270956
- Publication date Sep 21, 2017
- HOYA CORPORATION
- Toshio TAKIZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE, MAGNETIC DISK AND METHOD FOR MANUFAC...
- Publication number 20170263278
- Publication date Sep 14, 2017
- Hoya Corporation
- Masaaki UEDA
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING MEDIUM, METHOD OF MANUFACTURING FULLERENE THIN FILM, RECO...
- Publication number 20170263277
- Publication date Sep 14, 2017
- SHOWA DENKO K.K.
- Sho TONEGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK SUBSTRATE HAVING A SMALL WAVINESS, FOR USE AS A MAGNE...
- Publication number 20170256278
- Publication date Sep 7, 2017
- HOYA CORPORATION
- Takashi MAEDA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20170249966
- Publication date Aug 31, 2017
- SONY CORPORATION
- Junichi TACHIBANA
- G11 - INFORMATION STORAGE
Information Patent Application
Enlarged Substrate for Magnetic Recording Medium
- Publication number 20170249967
- Publication date Aug 31, 2017
- Seagate Technology LLC
- Koji Adachi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK
- Publication number 20170194025
- Publication date Jul 6, 2017
- Hoya Corporation
- Masanobu ITAYA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK
- Publication number 20170186459
- Publication date Jun 29, 2017
- HOYA CORPORATION
- Masanobu Itaya
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20170169848
- Publication date Jun 15, 2017
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20170169847
- Publication date Jun 15, 2017
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20170169849
- Publication date Jun 15, 2017
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIA WITH LATERAL EXCHANGE CONTRO...
- Publication number 20170148477
- Publication date May 25, 2017
- HGST NETHERLANDS B.V.
- Shun Tonooka
- G11 - INFORMATION STORAGE

without bonding agent in the material

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic-disk glass substrate

Underlayer for perpendicularly magnetized film, perpendicularly mag...

Glass for data storage medium substrate, glass substrate for data s...

Aluminum alloy substrate for magnetic discs and manufacturing metho...

Base for magnetic recording medium, and HDD

Magnetic recording medium substrate and hard disk drive

Magnetic-disk glass substrate, magnetic disk and method for manufac...

Base for magnetic recording medium, and HDD

Substrate for magnetic disk and magnetic disk

Substrate for magnetic disk and magnetic disk

Magnetic recording medium

Magnetic-disk substrate and magnetic disk

Substrate for magnetic disk and magnetic disk

Magnetic recording medium

Magnetic-disk substrate, magnetic disk, and method for manufacturin...

Magnetic recording medium

Magnetic-disk substrate and magnetic disk

Magnetic-disk substrate and magnetic disk

Underlayer for perpendicularly magnetized film, perpendicularly mag...

Enlarged substrate for magnetic recording medium

Magnetic-disk glass substrate

Magnetic shift register

Magnetic recording medium

Magnetic recording medium and magnetic recording and reproduction d...

Base for magnetic recording medium

Magnetic-disk substrate having a small waviness, for use as a magne...

Iridium underlayer for heat assisted magnetic recording media

Enlarged substrate for magnetic recording medium

Glass substrate for magnetic disk and magnetic disk for heat assist...

Magnetic-disk substrate having a small waviness, for use as a magne...

Patents Applicationslast 30 patents

ADDING A CAP-LAYER TO IMPROVE MAGNETIC RECORDING MEDIA

HARD DISK DRIVE WITH MAGNETIC-DISK SUBSTRATE AND HARD DISK DRIVE WI...

HARD DISK DRIVE WITH MAGNETIC-DISK SUBSTRATE

RESIN FILM

ALUMINUM ALLOY PLATE FOR MAGNETIC DISC SUBSTRATE, METHOD FOR PRODUC...

UNDERLAYER FOR PERPENDICULARLY MAGNETIZED FILM, PERPENDICULARLY MAG...

METHOD OF PRODUCING ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC RECORDING...

SUBSTRATE FOR A MAGNETIC DISK

MAGNETIC-DISK GLASS SUBSTRATE

Sidewall Guided Directed Self Assembly Data Storage Medium

BASE FOR MAGNETIC RECORDING MEDIUM, AND HDD

BASE FOR MAGNETIC RECORDING MEDIUM, AND HDD

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

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

Enlarged Substrate for Magnetic Recording Medium

PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING AN EXTREMELY LOW HK L...

MAGNETIC RECORDING MEDIUM SUBSTRATE AND HARD DISK DRIVE

MAGNETIC DISK SUBSTRATE WITH SPECIFIED CHANGES IN HEIGHT OR DEPTH B...

MAGNETIC-DISK GLASS SUBSTRATE, MAGNETIC DISK AND METHOD FOR MANUFAC...

RECORDING MEDIUM, METHOD OF MANUFACTURING FULLERENE THIN FILM, RECO...

MAGNETIC-DISK SUBSTRATE HAVING A SMALL WAVINESS, FOR USE AS A MAGNE...

MAGNETIC RECORDING MEDIUM

Enlarged Substrate for Magnetic Recording Medium

MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK

MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

PERPENDICULAR MAGNETIC RECORDING MEDIA WITH LATERAL EXCHANGE CONTRO...