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Kinobu Osakabe
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Substrate for magnetic disk, magnetic disk, and hard disk drive app...
Patent number
12,190,923
Issue date
Jan 7, 2025
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-disk substrate and magnetic disk
Patent number
12,094,506
Issue date
Sep 17, 2024
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Substrate for magnetic disk and magnetic disk
Patent number
11,955,151
Issue date
Apr 9, 2024
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Substrate for magnetic disk, magnetic disk, and hard disk drive app...
Patent number
11,694,718
Issue date
Jul 4, 2023
Hoya Corporation
Kinobu Osakabe
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
Glass spacer, hard disk drive apparatus, and method for manufacturi...
Patent number
11,682,425
Issue date
Jun 20, 2023
Hoya Corporation
Shinji Eda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-disk substrate and magnetic disk
Patent number
11,587,585
Issue date
Feb 21, 2023
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Substrate for magnetic disk and magnetic disk
Patent number
11,545,178
Issue date
Jan 3, 2023
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Substrate for magnetic disks, and magnetic disk
Patent number
11,152,026
Issue date
Oct 19, 2021
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device
Patent number
11,094,345
Issue date
Aug 17, 2021
Hoya Corporation
Masanobu Itaya
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Hard disk drive with magnetic-disk substrate and hard disk drive wi...
Patent number
11,081,134
Issue date
Aug 3, 2021
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-magnetic substrate for magnetic disk, and magnetic disk
Patent number
11,031,036
Issue date
Jun 8, 2021
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass spacer, hard disk drive apparatus, and method for manufacturi...
Patent number
11,031,038
Issue date
Jun 8, 2021
Hoya Corporation
Shinji Eda
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
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-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
Magnetic-disk glass substrate and magnetic disk
Patent number
9,607,647
Issue date
Mar 28, 2017
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for magnetic recording media substrates, magnetic recording m...
Patent number
9,589,586
Issue date
Mar 7, 2017
Hoya Corporation
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Magnetic-disk glass substrate and magnetic disk
Patent number
9,564,166
Issue date
Feb 7, 2017
Hoya Corporation
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for use as substrate for information recording medium, substr...
Patent number
9,236,077
Issue date
Jan 12, 2016
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for magnetic recording media substrates, magnetic recording m...
Patent number
9,016,092
Issue date
Apr 28, 2015
Hoya Corporation
Yoichi Hachitani
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic disk and manufacturing method of the same
Patent number
8,783,063
Issue date
Jul 22, 2014
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for use as substrate for information recording medium, substr...
Patent number
8,785,011
Issue date
Jul 22, 2014
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic recording medium and its use
Patent number
8,652,660
Issue date
Feb 18, 2014
Hoya Corporation
Hideki Isono
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
Patent number
8,603,653
Issue date
Dec 10, 2013
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic recording medium and magnetic recordin...
Patent number
8,394,516
Issue date
Mar 12, 2013
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing of glass
Patent number
8,356,492
Issue date
Jan 22, 2013
Hoya Corporation
Kazuhiro Suzuki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for use in substrate for information recording medium, substr...
Patent number
8,357,459
Issue date
Jan 22, 2013
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic disk and manufacturing method of the same
Patent number
8,119,267
Issue date
Feb 21, 2012
Hoya Corporation
Kinobu Osakabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for use in substrate for information recording medium, substr...
Patent number
8,076,014
Issue date
Dec 13, 2011
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
Publication number
20240282337
Publication date
Aug 22, 2024
HOYA CORPORATION
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
SUBSTRATE FOR MAGNETIC DISK, MAGNETIC DISK, AND HARD DISK DRIVE APP...
Publication number
20230298623
Publication date
Sep 21, 2023
HOYA CORPORATION
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK SUBSTRATE AND MAGNETIC DISK
Publication number
20230197111
Publication date
Jun 22, 2023
HOYA CORPORATION
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Application
SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
Publication number
20230121742
Publication date
Apr 20, 2023
HOYA CORPORATION
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
SUBSTRATE FOR MAGNETIC DISK, MAGNETIC DISK, AND HARD DISK DRIVE APP...
Publication number
20210407544
Publication date
Dec 30, 2021
Hoya Corporation
Kinobu OSAKABE
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
MAGNETIC-DISK SUBSTRATE AND MAGNETIC DISK
Publication number
20210327464
Publication date
Oct 21, 2021
HOYA CORPORATION
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SPACER, HARD DISK DRIVE APPARATUS, AND METHOD FOR MANUFACTURI...
Publication number
20210264946
Publication date
Aug 26, 2021
HOYA CORPORATION
Shinji EDA
G11 - INFORMATION STORAGE
Information
Patent Application
NON-MAGNETIC SUBSTRATE FOR MAGNETIC DISK, MAGNETIC DISK, AND HARD D...
Publication number
20210264943
Publication date
Aug 26, 2021
Hoya Corporation
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SPACER, HARD DISK DRIVE APPARATUS, AND METHOD FOR MANUFACTURI...
Publication number
20200227087
Publication date
Jul 16, 2020
HOYA CORPORATION
Shinji EDA
G11 - INFORMATION STORAGE
Information
Patent Application
NON-MAGNETIC SUBSTRATE FOR MAGNETIC DISK, AND MAGNETIC DISK
Publication number
20200035268
Publication date
Jan 30, 2020
HOYA CORPORATION
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
SUBSTRATE FOR MAGNETIC DISKS, AND MAGNETIC DISK
Publication number
20200027481
Publication date
Jan 23, 2020
HOYA CORPORATION
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK SUBSTRATE, MAGNETIC DISK, AND MAGNETIC-DISK DRIVE DEVICE
Publication number
20190251993
Publication date
Aug 15, 2019
Hoya Corporation
Masanobu ITAYA
B82 - NANO-TECHNOLOGY
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
MAGNETIC-DISK SUBSTRATE, MAGNETIC DISK, AND METHOD FOR MANUFACTURI...
Publication number
20180005659
Publication date
Jan 4, 2018
HOYA CORPORATION
Masanobu ITAYA
B82 - NANO-TECHNOLOGY
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 FOR MAGNETIC RECORDING MEDIA SUBSTRATES, MAGNETIC RECORDING M...
Publication number
20150262605
Publication date
Sep 17, 2015
HOYA CORPORATION
Yoichi HACHITANI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK
Publication number
20150248910
Publication date
Sep 3, 2015
HOYA CORPORATION
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK
Publication number
20150213826
Publication date
Jul 30, 2015
HOYA GLASS DISK VIETNAM II LTD.
Masanobu Itaya
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20140302346
Publication date
Oct 9, 2014
HOYA CORPORATION
Kazuo TACHIWANA
G11 - INFORMATION STORAGE
Information
Patent Application
DISPLAY COVER GLASS AND DISPLAY
Publication number
20130034670
Publication date
Feb 7, 2013
HOYA CORPORATION
Kazuaki Hashimoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20120328907
Publication date
Dec 27, 2012
HOYA CORPORATION
Kazuo TACHIWANA
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING GLASS BLANK FOR MAGNETIC RECORDING MEDIUM G...
Publication number
20120247155
Publication date
Oct 4, 2012
HOYA CORPORATION
Akira MURAKAMI
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND ITS USE
Publication number
20120188663
Publication date
Jul 26, 2012
HOYA CORPORATION
Hideki ISONO
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD OF THE SAME
Publication number
20120135153
Publication date
May 31, 2012
HOYA CORPORATION
Kinobu OSAKABE
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDIN...
Publication number
20120107647
Publication date
May 3, 2012
HOYA CORPORATION
Naomi MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20120021892
Publication date
Jan 26, 2012
HOYA CORPORATION
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR MANUFACTURING GLASS BLANK, METHOD FOR MANUFACTURING MAGN...
Publication number
20110283739
Publication date
Nov 24, 2011
HOYA CORPORATION
Makoto OSAWA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC RECORDING GLASS SU...
Publication number
20110277508
Publication date
Nov 17, 2011
HOYA CORPORATION
Makoto OSAWA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...