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Yoshiharu Kasamatsu
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Patents Grants
last 30 patents
Information
Patent Grant
Head slider and magnetic recording device therewith
Patent number
8,018,683
Issue date
Sep 13, 2011
Fujitsu Limited
Norikazu Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head, method of manufacturing the magnetic head, and magne...
Patent number
7,697,239
Issue date
Apr 13, 2010
Toshiba Storage Device Corporation
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Head slider having groove on medium-opposed surface and recording m...
Patent number
7,511,922
Issue date
Mar 31, 2009
Fujitsu Limited
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium including protection layer having unequal property
Patent number
7,501,192
Issue date
Mar 10, 2009
Fujitsu Limited
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, head slider and manufacturing methods th...
Patent number
7,317,594
Issue date
Jan 8, 2008
Fujitsu Limited
Norikazu Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording device having a head slider utilizing a water-re...
Patent number
7,259,937
Issue date
Aug 21, 2007
Fujitsu Limited
Hiroshi Chiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head slider
Patent number
7,154,710
Issue date
Dec 26, 2006
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Head slider having protector protuberance in front of head element
Patent number
6,903,901
Issue date
Jun 7, 2005
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium drive including head slider having protection prot...
Patent number
6,891,699
Issue date
May 10, 2005
Fujitsu Limited
Masaki Kameyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic recording medium and the magnetic...
Patent number
6,890,585
Issue date
May 10, 2005
Fujitsu Limited
Yuichiro Itai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic recording medium and the magnetic...
Patent number
6,878,398
Issue date
Apr 12, 2005
Fujitsu Limited
Yuichiro Itai
G11 - INFORMATION STORAGE
Information
Patent Grant
Head slider
Patent number
6,754,043
Issue date
Jun 22, 2004
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of surface treatment for recording medium
Patent number
6,511,716
Issue date
Jan 28, 2003
Fujitsu Limited
Yuichiro Itai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of texturing surface of substrate for recording medium
Patent number
6,468,600
Issue date
Oct 22, 2002
Fujitsu Limited
Susumu Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory disc, manufacturing method thereof, and method of manufactur...
Patent number
6,410,103
Issue date
Jun 25, 2002
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Head slider and recording disk drive
Patent number
6,396,663
Issue date
May 28, 2002
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive with a floating head slider having projections...
Patent number
6,246,538
Issue date
Jun 12, 2001
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head slider and magnetic disk apparatus having the magneti...
Patent number
6,243,233
Issue date
Jun 5, 2001
Fujitsu Limited
Takayuki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head assembly with contact-type head chip mounting and ele...
Patent number
6,229,673
Issue date
May 8, 2001
Fujitsu Limited
Masayoshi Shinohara
G11 - INFORMATION STORAGE
Information
Patent Grant
Head slider with projecting arranged on rails thereof
Patent number
6,120,694
Issue date
Sep 19, 2000
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head slider with elongated projections for reducing sticti...
Patent number
6,072,663
Issue date
Jun 6, 2000
Fujitsu Limited
Toru Yokohata
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head slider and magnetic disk apparatus having the magneti...
Patent number
6,040,958
Issue date
Mar 21, 2000
Fujitsu Limited
Takayuki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Slider for magnetic head and magnetic memory apparatus
Patent number
5,991,118
Issue date
Nov 23, 1999
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Head slider with projections arranged on rails thereof
Patent number
5,841,608
Issue date
Nov 24, 1998
Fujitsu Limited
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
HEAD SLIDER, STORAGE DEVICE, AND METHOD OF MANUFACTURING HEAD SLIDER
Publication number
20100246066
Publication date
Sep 30, 2010
TOSHIBA STORAGE DEVICE CORPORATION
Yoshiharu KASAMATSU
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, head slider and manufacturing methods th...
Publication number
20080259497
Publication date
Oct 23, 2008
Fujitsu Limited
Norikazu Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head, method of manufacturing magnetic head, and magnetic...
Publication number
20080124580
Publication date
May 29, 2008
FUJITSU LIMITED
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head, method of manufacturing the magnetic head, and magne...
Publication number
20070253108
Publication date
Nov 1, 2007
FUJITSU LIMITED
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head slider
Publication number
20070058297
Publication date
Mar 15, 2007
FUJITSU LIMITED
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and manufacturing method of the same
Publication number
20060221502
Publication date
Oct 5, 2006
FUJITSU LIMITED
Jun Watanabe
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, head slider and manufacturing methods th...
Publication number
20060044691
Publication date
Mar 2, 2006
FUJITSU LIMITED
Norikazu Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Head slider and magnetic recording device
Publication number
20050264937
Publication date
Dec 1, 2005
FUJITSU LIMITED
Hiroshi Chiba
G11 - INFORMATION STORAGE
Information
Patent Application
Recording medium including protection layer having unequal property
Publication number
20050233175
Publication date
Oct 20, 2005
FUJITSU LIMITED
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head slider
Publication number
20050201012
Publication date
Sep 15, 2005
FUJITSU LIMITED
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Application
Head slider having groove on medium-opposed surface and recording m...
Publication number
20050157426
Publication date
Jul 21, 2005
FUJITSU LIMITED
Takayuki Musashi
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic recording medium and the magnetic...
Publication number
20040206450
Publication date
Oct 21, 2004
FUJITSU LIMITED
Yuichiro Itai
G11 - INFORMATION STORAGE
Information
Patent Application
Recording medium drive including head slider reliably preventing co...
Publication number
20030184915
Publication date
Oct 2, 2003
FUJITSU LIMITED
Masaki Kameyama
G11 - INFORMATION STORAGE
Information
Patent Application
Head slider having protector protuberance in front of head element
Publication number
20030123191
Publication date
Jul 3, 2003
FUJITSU LIMITED
Yoshiharu Kasamatsu
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF SURFACE TREATMENT FOR RECORDING MEDIUM
Publication number
20030026918
Publication date
Feb 6, 2003
FUJITSU LIMITED
Yuichiro Itai
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk evaluation apparatus
Publication number
20030026015
Publication date
Feb 6, 2003
FUJITSU LIMITED
Toru Yokohata
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic recording medium and the magnetic...
Publication number
20020043332
Publication date
Apr 18, 2002
FUJITSU LIMITED
Yuichiro Itai
G11 - INFORMATION STORAGE
Information
Patent Application
HEAD SLIDER
Publication number
20020041468
Publication date
Apr 11, 2002
FUJITSU LIMITED
YOSHIHARU KASAMATSU
G11 - INFORMATION STORAGE