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Shuichi Kojima
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Akita-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic head of magnetoresistance effect type with high resistance...
Patent number
7,957,109
Issue date
Jun 7, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Koyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head and fabricating method thereof, and read writ...
Patent number
7,675,715
Issue date
Mar 9, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head and read/write separation-type magnetic head
Patent number
7,623,323
Issue date
Nov 24, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Koichi Nishioka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with a narrow spacing between magnetic shields at air...
Patent number
7,586,715
Issue date
Sep 8, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Koyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head, with second magnetic domain control layers a...
Patent number
7,468,870
Issue date
Dec 23, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic thin film head, the fabrication method, and magnetic disk
Patent number
7,274,541
Issue date
Sep 25, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Gen Oikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with magnetic domain control structure having anti-fe...
Patent number
7,230,803
Issue date
Jun 12, 2007
Hitachi, Ltd.
Akira Morinaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive head having magnetic domain control film in contac...
Patent number
7,209,327
Issue date
Apr 24, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive sensor with random crystal orientation underlayer...
Patent number
7,177,121
Issue date
Feb 13, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Shuichi Kojima
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a spin-valve giant magnetoresistive head
Patent number
7,159,304
Issue date
Jan 9, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproducing separated type magnetic head having different...
Patent number
7,154,714
Issue date
Dec 26, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with a lamination stack to control the magnetic domain
Patent number
6,903,906
Issue date
Jun 7, 2005
Hitachi, Ltd.
Akira Morinaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Spin-valve giant magnetoresistive head and method of manufacturing...
Patent number
6,717,778
Issue date
Apr 6, 2004
Hitachi, Ltd.
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and method of fabricating the same
Patent number
6,156,405
Issue date
Dec 5, 2000
Hitachi, Ltd.
Shinji Fukaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and method of fabricating the same
Patent number
5,976,661
Issue date
Nov 2, 1999
Hitachi, Ltd.
Shinji Fukaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk medium having a magnetic layer with uniform...
Patent number
5,707,706
Issue date
Jan 13, 1998
Hitachi, Ltd.
Shinji Fukaya
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetic detection element and manufacturing method thereof
Publication number
20080273274
Publication date
Nov 6, 2008
Shuichi Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic detection element and manufacturing method thereof
Publication number
20080218910
Publication date
Sep 11, 2008
Shuichi Kojima
G01 - MEASURING TESTING
Information
Patent Application
Magnetic head of magnetoresistance effect type with high resistance...
Publication number
20080074803
Publication date
Mar 27, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Koyama
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing a spin-valve giant magnetoresistive head
Publication number
20070079498
Publication date
Apr 12, 2007
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive head, manufacturing method thereof, and read write...
Publication number
20060158793
Publication date
Jul 20, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G01 - MEASURING TESTING
Information
Patent Application
Magnetic head and method of manufacturing the same
Publication number
20060158789
Publication date
Jul 20, 2006
Hitachi Global Storage Technologies
Naoki Koyama
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive head and read/write separation-type magnetic head
Publication number
20060067013
Publication date
Mar 30, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Koichi Nishioka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive head and fabricating method thereof, and read writ...
Publication number
20060056112
Publication date
Mar 16, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Masatoshi Arasawa
G01 - MEASURING TESTING
Information
Patent Application
Magnetic thin film head, the fabrication method, and magnetic disk
Publication number
20050168876
Publication date
Aug 4, 2005
Hitachi, Ltd.
Gen Oikawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head with magnetic domain control structure having antifer...
Publication number
20040223263
Publication date
Nov 11, 2004
Akira Morinaga
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive head and manufacturing method thereof
Publication number
20040190206
Publication date
Sep 30, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Application
Spin-valve giant magnetoresistive head and method of manufacturing...
Publication number
20040158973
Publication date
Aug 19, 2004
Masatoshi Arasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive sensor and magnetoresistive head, and manufacturin...
Publication number
20040145836
Publication date
Jul 29, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Shuichi Kojima
G01 - MEASURING TESTING
Information
Patent Application
Recording/reproducing separated type magnetic head having different...
Publication number
20040047087
Publication date
Mar 11, 2004
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head
Publication number
20030189802
Publication date
Oct 9, 2003
Hitachi, Ltd
Akira Morinaga
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistive head and a method for manufacturing of the same
Publication number
20030189799
Publication date
Oct 9, 2003
Yasunobu Yanagisawa
G11 - INFORMATION STORAGE
Information
Patent Application
Spin-valve giant magnetoresistive head and method of manufacturing...
Publication number
20020064005
Publication date
May 30, 2002
Masatoshi Arasawa
B82 - NANO-TECHNOLOGY
Information
Patent Application
Magnetic thin film head, the fabrication method, and magnetic disk
Publication number
20010036043
Publication date
Nov 1, 2001
Gen Oikawa
B82 - NANO-TECHNOLOGY