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Mikio Suzuki
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Kokubunji-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing magnetic head device
Patent number
7,159,303
Issue date
Jan 9, 2007
Hitachi Global Storage Technologies, Ltd.
Ryoichi Nakatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic apparatus with perpendicular recording medium and head hav...
Patent number
7,054,120
Issue date
May 30, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Ryoichi Nakatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Performance evaluation method, performance evaluation system, and i...
Patent number
6,697,976
Issue date
Feb 24, 2004
Hitachi, Ltd.
Naoki Satoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic head with conductors formed on endlayers of a multilayer f...
Patent number
6,687,099
Issue date
Feb 3, 2004
Hitachi, Ltd.
Ryoichi Nakatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage apparatus using a magnetoresistive element
Patent number
6,512,648
Issue date
Jan 28, 2003
Hitachi, Ltd.
Reijiro Tsuchiya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk apparatus including magnetic head having multilayered...
Patent number
6,483,677
Issue date
Nov 19, 2002
Hitachi, Ltd.
Ryoichi Nakatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage apparatus
Patent number
6,452,758
Issue date
Sep 17, 2002
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage system
Patent number
6,356,406
Issue date
Mar 12, 2002
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media, magnetic heads and magnetic read-write ap...
Patent number
6,349,008
Issue date
Feb 19, 2002
Hitachi, Ltd.
Takanobu Takayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage apparatus
Patent number
6,297,929
Issue date
Oct 2, 2001
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistance effect elements and magnetic heads using the tunn...
Patent number
6,278,593
Issue date
Aug 21, 2001
Hitachi, Ltd.
Ryoichi Nakatani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic recorder and magnetooptical recorder
Patent number
6,130,797
Issue date
Oct 10, 2000
Hitachi, Ltd.
Kyo Akagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage apparatus using a magnetoresistive head that employs a sens...
Patent number
6,111,715
Issue date
Aug 29, 2000
Hitachi, Ltd.
Reijiro Tsuchiya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage apparatus
Patent number
6,064,546
Issue date
May 16, 2000
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistance effect multilayer film with ferromagnetic film su...
Patent number
6,011,674
Issue date
Jan 4, 2000
Hitachi, Ltd.
Ryoichi Nakatani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic recording media, magnetic heads and magnetic read-write ap...
Patent number
5,875,082
Issue date
Feb 23, 1999
Hitachi, Ltd.
Takanobu Takayama
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
Longitudinal magnetic recording medium and apparatus
Patent number
5,766,718
Issue date
Jun 16, 1998
Hitachi, Ltd.
Yoshibumi Matsuda
B82 - NANO-TECHNOLOGY
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
Magnetic recording medium having at least two magnetic layers with...
Patent number
5,736,235
Issue date
Apr 7, 1998
Hitachi, Ltd.
Yoshibumi Matsuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Multilayer magnetoresistance effect-type magnetic head
Patent number
5,726,837
Issue date
Mar 10, 1998
Hitachi, Ltd.
Ryoichi Nakatani
B82 - NANO-TECHNOLOGY
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
Method of head positioning and magnetic recording disk drive using...
Patent number
5,568,331
Issue date
Oct 22, 1996
Hitachi, Ltd.
Kyo Akagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording/reproducing with added intersymbol interference...
Patent number
5,539,588
Issue date
Jul 23, 1996
Hitachi, Ltd.
Hideki Sawaguchi
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
Multilayer magnetoresistance effect-type magnetic head
Patent number
5,390,061
Issue date
Feb 14, 1995
Hitachi, Ltd.
Ryoichi Nakatani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic recording data storage system
Patent number
5,325,244
Issue date
Jun 28, 1994
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
High-density magnetic recording and optical reproducing apparatus
Patent number
5,093,822
Issue date
Mar 3, 1992
Hitachi, Ltd.
Fumio Kugiya
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
Publication number
20060152862
Publication date
Jul 13, 2006
Ryoichi Nakatani
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
Publication number
20040090850
Publication date
May 13, 2004
Hitachi, Ltd.
Ryoichi Nakatani
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
Publication number
20030117750
Publication date
Jun 26, 2003
Hitachi, Ltd.
Ryoichi Nakatani
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
Publication number
20020018325
Publication date
Feb 14, 2002
Hitachi, Ltd.
Ryoichi Nakatani
B82 - NANO-TECHNOLOGY
Information
Patent Application
Magnetic storage apparatus
Publication number
20010028526
Publication date
Oct 11, 2001
Hisashi Takano
G11 - INFORMATION STORAGE