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Fujisawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-sensor reader structure having a current path with increased...
Patent number
9,542,962
Issue date
Jan 10, 2017
HGST Netherlands B.V.
Hideki Mashima
G11 - INFORMATION STORAGE
Information
Patent Grant
Asymmetric trailing shield writer for shingled magnetic recording (...
Patent number
9,076,466
Issue date
Jul 7, 2015
HGST Netherlands B.V.
Yosuke Urakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic write head having a main magnetic write pole...
Patent number
8,964,331
Issue date
Feb 24, 2015
HGST Netherlands B.V.
Mikito Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Low permeability material for a side shield in a perpendicular magn...
Patent number
8,570,683
Issue date
Oct 29, 2013
HGST Netherlands B.V.
Yusuke Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive magnetic head having a non-magnetic part on a medi...
Patent number
8,514,526
Issue date
Aug 20, 2013
HGST Netherlands B.V.
Naoto Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording head and method for producing the...
Patent number
8,320,073
Issue date
Nov 27, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Mikito Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic disk system having a read sensor and a s...
Patent number
7,969,691
Issue date
Jun 28, 2011
Hitachi, Ltd.
Yoshiaki Kawato
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic disk storage apparatus mounting the same
Patent number
7,684,149
Issue date
Mar 23, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Masafumi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head and magnetic disk storage apparatus mountin...
Patent number
7,606,006
Issue date
Oct 20, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Masafumi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with recessed portion, and magnetic recording and rep...
Patent number
7,483,243
Issue date
Jan 27, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic disk storage apparatus mounting the head
Patent number
7,426,092
Issue date
Sep 16, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and method of forming them
Patent number
7,351,445
Issue date
Apr 1, 2008
Hitachi, Ltd.
Chiseki Haginoya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and method of forming them
Patent number
7,097,924
Issue date
Aug 29, 2006
Hitachi, Ltd.
Chiseki Haginoya
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a thin film magnetic recording head
Patent number
7,086,140
Issue date
Aug 8, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic recording head, method of fabricating the thin f...
Patent number
6,785,097
Issue date
Aug 31, 2004
Hitachi, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
MULTI-SENSOR READER STRUCTURE HAVING A CURRENT PATH WITH INCREASED...
Publication number
20160217813
Publication date
Jul 28, 2016
HGST NETHERLANDS B.V.
Hideki Mashima
G11 - INFORMATION STORAGE
Information
Patent Application
ASYMMETRIC TRAILING SHIELD WRITER FOR SHINGLED MAGNETIC RECORDING (...
Publication number
20140177091
Publication date
Jun 26, 2014
HGST NETHERLANDS B.V.
Yosuke Urakami
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING HEAD HAVING A MAIN POLE AND A SUB-...
Publication number
20130342937
Publication date
Dec 26, 2013
Hitachi Global Storage Technologies Netherlands B.V
Mikito Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Application
LOW PERMEABILITY MATERIAL FOR A SIDE SHIELD IN A PERPENDICULAR MAGN...
Publication number
20120327531
Publication date
Dec 27, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Yusuke Takahashi
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR MAGNETIC RECORDING HEAD AND METHOD FOR PRODUCING THE...
Publication number
20110102936
Publication date
May 5, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Mikito Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETORESISTIVE MAGNETIC HEAD HAVING A NON-MAGNETIC PART ON A MEDI...
Publication number
20110085261
Publication date
Apr 14, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Naoto Ito
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND MAGNETIC DISK SYSTEM HAVING THE SAME
Publication number
20080212239
Publication date
Sep 4, 2008
Yoshiaki Kawato
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording media and method of forming them
Publication number
20060226116
Publication date
Oct 12, 2006
Hitachi, Ltd.
Chiseki Haginoya
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and magnetic disk storage apparatus mounting the same
Publication number
20060092575
Publication date
May 4, 2006
Hitachi Global Storage Technologies Netherlands, B.V.
Masafumi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head with recessed portion, and magnetic recording and rep...
Publication number
20060082931
Publication date
Apr 20, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and magnetic disk storage apparatus mounting the head
Publication number
20060002018
Publication date
Jan 5, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head and magnetic disk storage apparatus mountin...
Publication number
20050141142
Publication date
Jun 30, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Masafumi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of fabricating a thin film magnetic recording head
Publication number
20050018346
Publication date
Jan 27, 2005
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording media and method of forming them
Publication number
20040166372
Publication date
Aug 26, 2004
Chiseki Haginoya
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic recording head, method of fabricating the thin f...
Publication number
20030026039
Publication date
Feb 6, 2003
Tomohiro Okada
G11 - INFORMATION STORAGE