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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic recording medium
Patent number
11,621,020
Issue date
Apr 4, 2023
Sony Corporation
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having reinforced substrate
Patent number
11,468,910
Issue date
Oct 11, 2022
Sony Corporation
Hiroto Atagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording tape and magnetic recording tape cartridge
Patent number
11,437,066
Issue date
Sep 6, 2022
Sony Corporation
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and method of producing the same
Patent number
11,423,936
Issue date
Aug 23, 2022
Sony Corporation
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
10,789,979
Issue date
Sep 29, 2020
Sony Corporation
Junichi Tachibana
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic recording medium with controlled surface characteristics
Patent number
10,580,447
Issue date
Mar 3, 2020
Sony Corporation
Noboru Sekiguchi
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 recording medium
Patent number
10,424,329
Issue date
Sep 24, 2019
Sony Corporation
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
9,542,967
Issue date
Jan 10, 2017
Sony Corporation
Noboru Sekiguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having a recording layer with a diffracti...
Patent number
9,299,378
Issue date
Mar 29, 2016
Sony Corporation
Noboru Sekiguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Metallic thin film type magnetic recording medium and method of man...
Patent number
7,449,221
Issue date
Nov 11, 2008
Sony Corporation
Ryoichi Hiratsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and process for producing same
Patent number
7,214,436
Issue date
May 8, 2007
Sony Corporation
Ryoichi Hiratsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Metallic thin film type magnetic recording medium and method of man...
Patent number
7,070,871
Issue date
Jul 4, 2006
Sony Corporation
Ryoichi Hiratsuka
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20220108723
Publication date
Apr 7, 2022
SONY CORPORATION
Hiroto ATAGI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING TAPE AND MAGNETIC RECORDING TAPE CARTRIDGE
Publication number
20220084550
Publication date
Mar 17, 2022
SONY GROUP CORPORATION
TOMOE OZAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING TAPE AND MAGNETIC RECORDING TAPE CARTRIDGE
Publication number
20210118468
Publication date
Apr 22, 2021
SONY CORPORATION
JUNICHI TACHIBANA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20200075051
Publication date
Mar 5, 2020
SONY CORPORATION
JUNICHI TACHIBANA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20190080712
Publication date
Mar 14, 2019
SONY CORPORATION
Junichi TACHIBANA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20180137887
Publication date
May 17, 2018
SONY CORPORATION
Noboru Sekiguchi
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
MAGNETIC RECORDING MEDIUM
Publication number
20170069343
Publication date
Mar 9, 2017
SONY CORPORATION
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20150279402
Publication date
Oct 1, 2015
SONY CORPORATION
Noboru SEKIGUCHI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20150194174
Publication date
Jul 9, 2015
SONY CORPORATION
Noboru Sekiguchi
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM
Publication number
20140363700
Publication date
Dec 11, 2014
SONY CORPORATION
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND METHOD OF PRODUCING THE SAME
Publication number
20140342189
Publication date
Nov 20, 2014
SONY CORPORATION
Junichi Tachibana
G11 - INFORMATION STORAGE
Information
Patent Application
Metallic Thin Film Type Magnetic Recording Medium and Method of Man...
Publication number
20060240182
Publication date
Oct 26, 2006
Ryoichi Hiratsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and process for producing same
Publication number
20030224216
Publication date
Dec 4, 2003
Ryoichi Hiratsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Metallic thin film type magnetic recording medium and method of man...
Publication number
20030039864
Publication date
Feb 27, 2003
Ryoichi Hiratsuka
G11 - INFORMATION STORAGE