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Yuzuru Hosoe
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Perpendicular magnetic recording medium with high medium S/N
Patent number
8,802,247
Issue date
Aug 12, 2014
HGST Netherlands B.V.
Hiroyuki Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium having grain boundary layer...
Patent number
7,799,447
Issue date
Sep 21, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Yuzuru Hosoe
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and manufacturing of the same
Patent number
7,651,795
Issue date
Jan 26, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Ichiro Tamai
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium for high density recording...
Patent number
7,641,989
Issue date
Jan 5, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Ikuko Takekuma
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
Patent number
7,618,722
Issue date
Nov 17, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Yoshiyuki Hirayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium containing first and second recording lay...
Patent number
7,556,871
Issue date
Jul 7, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Takayuki Ichihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium for high density magnetic r...
Patent number
7,534,507
Issue date
May 19, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Reiko Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium, method of evaluating magne...
Patent number
7,457,064
Issue date
Nov 25, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording media and magnetic storage apparat...
Patent number
7,368,185
Issue date
May 6, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Yoshiyuki Hirayama
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
Magnetic recording medium and its manufacturing method and magnetic...
Patent number
7,182,974
Issue date
Feb 27, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Yoshio Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording and reproducing ap...
Patent number
7,157,162
Issue date
Jan 2, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Kazusuke Yamanaka
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
Magnetic recording media and magnetic recording system using the same
Patent number
7,056,604
Issue date
Jun 6, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Tetsuya Kanbe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and magnetic storage apparatus using the same
Patent number
7,050,253
Issue date
May 23, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Perpendicular magnetic recording media, manufacturing process of th...
Patent number
7,041,393
Issue date
May 9, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and a magnetic storage apparatus
Patent number
6,924,048
Issue date
Aug 2, 2005
Hitachi, Ltd.
Tetsuya Kanbe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and magnetic disk apparatus
Patent number
6,852,432
Issue date
Feb 8, 2005
Hitachi, Ltd.
Mitsuhiro Shoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium possessing a fluctuation field of not les...
Patent number
6,846,577
Issue date
Jan 25, 2005
Hitachi, Ltd.
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and process of production t...
Patent number
6,815,083
Issue date
Nov 9, 2004
Hitachi, Ltd.
Hiroaki Nemoto
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 media and magnetic storage apparat...
Patent number
6,773,826
Issue date
Aug 10, 2004
Hitachi, Ltd.
Hiroyuki Nakagawa
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 its manufacturing method and magnetic...
Patent number
6,709,768
Issue date
Mar 23, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Yoshio Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic disk apparatus using the same
Patent number
6,703,148
Issue date
Mar 9, 2004
Hitachi, Ltd.
Yoshibumi Matsuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, method of fabricating magnetic recording...
Patent number
6,692,843
Issue date
Feb 17, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Yoshibumi Matsuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic disk apparatus using the same
Patent number
6,623,873
Issue date
Sep 23, 2003
Hitachi, Ltd.
Yoshibumi Matsuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording and reproducing ap...
Patent number
6,613,428
Issue date
Sep 2, 2003
Hitachi, Ltd.
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording system using such...
Patent number
6,605,374
Issue date
Aug 12, 2003
Hitachi, Ltd.
Tetsuya Kanbe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and magnetic recording system using the same
Patent number
6,596,420
Issue date
Jul 22, 2003
Hitachi, Ltd.
Tetsuya Kanbe
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
RECORDING MEDIUM HAVING RECORDING ASSIST
Publication number
20150085401
Publication date
Mar 26, 2015
HGST NETHERLANDS B.V.
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
Publication number
20080182134
Publication date
Jul 31, 2008
Hitachi Global Storage Technologies
Yoshiyuki Hirayama
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium, method of evaluating magne...
Publication number
20070217048
Publication date
Sep 20, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium with high medium S/N
Publication number
20070087226
Publication date
Apr 19, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Hiroyuki Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Granular recording medium for perpendicular recording and recording...
Publication number
20070026260
Publication date
Feb 1, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium for high density recording...
Publication number
20060127703
Publication date
Jun 15, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Ikuko Takekuma
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Magnetic recording medium, method of manufacturing the magnetic rec...
Publication number
20060121317
Publication date
Jun 8, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yuichi Kokaku
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium for high density magnetic r...
Publication number
20060088734
Publication date
Apr 27, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Reiko Arai
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium having grain boundary layer...
Publication number
20060088733
Publication date
Apr 27, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yuzuru Hosoe
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and manufacturing of the same
Publication number
20060057431
Publication date
Mar 16, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Ichiro Tamai
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording appa...
Publication number
20060019124
Publication date
Jan 26, 2006
Tomio Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording apparatus
Publication number
20050227120
Publication date
Oct 13, 2005
Hitachi Global Storage Technologies Netherlands B.V.
Takayuki Ichihara
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media and magnetic storage apparat...
Publication number
20050142388
Publication date
Jun 30, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Yoshiyuki Hirayama
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium having alternatively layere...
Publication number
20050142378
Publication date
Jun 30, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording and reproducing ap...
Publication number
20050123806
Publication date
Jun 9, 2005
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and manufacturing of the same
Publication number
20050058854
Publication date
Mar 17, 2005
Hitachi, Ltd.
Ikuko Takekuma
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 medium and process of production t...
Publication number
20050042367
Publication date
Feb 24, 2005
Hitachi, Ltd.
Hiroaki Nemoto
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
Magnetic recording medium and its manufacturing method and magnetic...
Publication number
20040157083
Publication date
Aug 12, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Yoshio Takahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium
Publication number
20040146747
Publication date
Jul 29, 2004
Hitachi, Ltd.
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media, manufacturing process of th...
Publication number
20040009375
Publication date
Jan 15, 2004
Hitachi, Ltd.
Kiwamu Tanahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording media and magnetic storage apparatus using the same
Publication number
20030218834
Publication date
Nov 27, 2003
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Magnetic recording media and magnetic disk apparatus
Publication number
20030215672
Publication date
Nov 20, 2003
Hitachi, Ltd.
Mitsuhiro Shoda
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording media and magnetic recording system using the same
Publication number
20030211364
Publication date
Nov 13, 2003
Tetsuya Kanbe
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and a magnetic storage apparatus
Publication number
20030203239
Publication date
Oct 30, 2003
Hitachi, Ltd.
Tetsuya Kanbe
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording and reproducing ap...
Publication number
20030170497
Publication date
Sep 11, 2003
Kazusuke Yamanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and process of production t...
Publication number
20030162041
Publication date
Aug 28, 2003
Hiroaki Nemoto
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, producing method of the same magnetic re...
Publication number
20030118871
Publication date
Jun 26, 2003
Yuzuru Hosoe
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording media
Publication number
20030099868
Publication date
May 29, 2003
Kiwamu Tanahashi
G11 - INFORMATION STORAGE