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Patents Grants
last 30 patents
Information
Patent Grant
Perpendicular magnetic recording media, magnetic recording apparatus
Patent number
7,399,540
Issue date
Jul 15, 2008
Hitachi Global Storage Technologies Japan, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media
Patent number
7,316,852
Issue date
Jan 8, 2008
Hitachi Global Storage Technologies Japan, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media, manufacturing process of th...
Patent number
7,153,546
Issue date
Dec 26, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media, magnetic recording apparatus
Patent number
7,147,941
Issue date
Dec 12, 2006
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media and magnetic storage
Patent number
7,138,195
Issue date
Nov 21, 2006
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for testing or recording servo signal on perpendicular magne...
Patent number
7,026,810
Issue date
Apr 11, 2006
Hitachi, Ltd.
Atsushi Kikugawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for testing or recording servo signal on perpendicular magne...
Patent number
6,894,488
Issue date
May 17, 2005
Hitachi, Ltd.
Atsushi Kikugawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
Patent number
6,858,330
Issue date
Feb 22, 2005
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media
Patent number
6,808,824
Issue date
Oct 26, 2004
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording appa...
Patent number
6,770,389
Issue date
Aug 3, 2004
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
Patent number
6,759,148
Issue date
Jul 6, 2004
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media, manufacturing process of th...
Patent number
6,723,457
Issue date
Apr 20, 2004
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
Patent number
6,716,516
Issue date
Apr 6, 2004
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media, magnetic recording apparatus
Patent number
6,686,070
Issue date
Feb 3, 2004
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
Patent number
6,607,849
Issue date
Aug 19, 2003
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
Patent number
6,592,976
Issue date
Jul 15, 2003
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording appa...
Patent number
6,562,453
Issue date
May 13, 2003
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,541,125
Issue date
Apr 1, 2003
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
Patent number
6,534,164
Issue date
Mar 18, 2003
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
Patent number
6,447,936
Issue date
Sep 10, 2002
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
Patent number
6,403,203
Issue date
Jun 11, 2002
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,383,667
Issue date
May 7, 2002
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic storage appara...
Patent number
6,183,893
Issue date
Feb 6, 2001
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media and magnetic recording and r...
Patent number
6,083,599
Issue date
Jul 4, 2000
Hitachi, Ltd.
Yoshiyuki Hirayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and magnetic recording read-back system wh...
Patent number
5,851,643
Issue date
Dec 22, 1998
Hitachi, Ltd.
Yukio Honda
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media and magnetic recording device
Patent number
5,738,927
Issue date
Apr 14, 1998
Hitachi, Ltd.
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a magnetic recording medium
Patent number
5,685,958
Issue date
Nov 11, 1997
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a magnetic recording medium
Patent number
5,599,580
Issue date
Feb 4, 1997
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and fabrication method therefor
Patent number
5,536,585
Issue date
Jul 16, 1996
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Cooling device for semiconductor packages, having flexible film hea...
Patent number
5,488,255
Issue date
Jan 30, 1996
Hitachi, Ltd.
Kazuo Sato
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Perpendicular magnetic recording media, magnetic recording apparatus
Publication number
20070037018
Publication date
Feb 15, 2007
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Method for testing or recording servo signal on perpendicular magne...
Publication number
20050204285
Publication date
Sep 15, 2005
Atsushi Kikugawa
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media
Publication number
20050042479
Publication date
Feb 24, 2005
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media and magnetic storage
Publication number
20040197607
Publication date
Oct 7, 2004
Hitachi, Ltd
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media, manufacturing process of th...
Publication number
20040170798
Publication date
Sep 2, 2004
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media, magnetic recording apparatus
Publication number
20040062953
Publication date
Apr 1, 2004
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording appp...
Publication number
20030203189
Publication date
Oct 30, 2003
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media
Publication number
20030099868
Publication date
May 29, 2003
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Method for testing or recording servo signal on perpendicular magne...
Publication number
20030053235
Publication date
Mar 20, 2003
Atsushi Kikugawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
Publication number
20030022025
Publication date
Jan 30, 2003
MASAAKI FUTAMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media, manufacturing process of th...
Publication number
20020197514
Publication date
Dec 26, 2002
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
Publication number
20020160233
Publication date
Oct 31, 2002
MASAAKI FUTAMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
Publication number
20020122958
Publication date
Sep 5, 2002
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
Publication number
20020080520
Publication date
Jun 27, 2002
Hitachi, Ltd
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20020068199
Publication date
Jun 6, 2002
Hitachi, Ltd.
Masaaki Futamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
Publication number
20020055020
Publication date
May 9, 2002
MASAAKI FUTAMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
Publication number
20020048693
Publication date
Apr 25, 2002
Kiwamu Tanahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS USING TH...
Publication number
20010009730
Publication date
Jul 26, 2001
MASAAKI FUTAMOTO
G11 - INFORMATION STORAGE