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Hitoshi Tsujino
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk device with reduced flutter
Patent number
7,573,671
Issue date
Aug 11, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Kohji Serizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with vibration suppression member disposed near head ass...
Patent number
7,545,599
Issue date
Jun 9, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Kohji Serizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Arm chamfer for comb type actuator in rotating disk storage device...
Patent number
7,486,484
Issue date
Feb 3, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive with adjustment of rotational balance
Patent number
7,483,239
Issue date
Jan 27, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Tomoki Hiramatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive, and actuator and head actuator assembly
Patent number
7,460,340
Issue date
Dec 2, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Hirokazu Tanizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly and rotary disk storage device
Patent number
7,317,595
Issue date
Jan 8, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Hiroyasu Tsuchida
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive apparatus having a pivot for supporting a head assembly...
Patent number
6,940,699
Issue date
Sep 6, 2005
Hitachi Global Storage Technologies Netherlands B.V.
Toshihiko Yuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Flex cable, head suspension assembly, and hard disk drive
Patent number
6,480,362
Issue date
Nov 12, 2002
International Business Machines Corporation
Keiichiroh Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive ramp structure having integrated discrete rigid support...
Patent number
6,424,501
Issue date
Jul 23, 2002
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for attaching a hard disk drive to a personal...
Patent number
6,327,814
Issue date
Dec 11, 2001
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Arm assembly for a disk drive device and a method for fabricating t...
Patent number
6,212,046
Issue date
Apr 3, 2001
International Business Machines Corporation
David William Albrecht
G11 - INFORMATION STORAGE
Information
Patent Grant
Actuator arm assembly for a magnetic storage device
Patent number
6,185,075
Issue date
Feb 6, 2001
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head support arm and arm assembly utilizing plural datum...
Patent number
6,055,133
Issue date
Apr 25, 2000
International Business Machines Corporation
David W. Albrecht
G11 - INFORMATION STORAGE
Information
Patent Grant
Actuator arm assembly and wiring aparatus used in a disk storage sy...
Patent number
6,034,843
Issue date
Mar 7, 2000
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Structure in a disk drive system for attaching a load beam to a hea...
Patent number
5,896,245
Issue date
Apr 20, 1999
International Business Machines Corporation
Akihiko Aoyagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Transducer suspension system having bosses with different inner dia...
Patent number
5,796,555
Issue date
Aug 18, 1998
International Business Machines Corporation
Akihiko Aoyagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with head suspensions mounted to actuator arm opposite s...
Patent number
5,646,802
Issue date
Jul 8, 1997
International Business Machines Corporation
Hiroyuki Akiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive apparatus having a device inside the disk drive housing...
Patent number
5,543,982
Issue date
Aug 6, 1996
International Business Machines Corporation
Tatsuo Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive apparatus
Patent number
5,532,891
Issue date
Jul 2, 1996
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive design having reduced height and improved means for elec...
Patent number
5,508,860
Issue date
Apr 16, 1996
International Business Machines Corporation
Tatsuo Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive apparatus
Patent number
5,483,400
Issue date
Jan 9, 1996
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk apparatus and manufacturing method thereof
Patent number
5,315,464
Issue date
May 24, 1994
International Business Machines Corporation
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Disk drive with vibration suppression
Publication number
20060164751
Publication date
Jul 27, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Kohji Serizawa
G11 - INFORMATION STORAGE
Information
Patent Application
Connection of circuit board with housing of disk drive
Publication number
20060132966
Publication date
Jun 22, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Kohji Serizawa
G11 - INFORMATION STORAGE
Information
Patent Application
Disk device with reduced flutter
Publication number
20060132967
Publication date
Jun 22, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Kohji Serizawa
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive, and actuator and head actuator assembly
Publication number
20060132982
Publication date
Jun 22, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hirokazu Tanizawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive with adjustment of rotational balance
Publication number
20060119980
Publication date
Jun 8, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Tomoki Hiramatsu
G11 - INFORMATION STORAGE
Information
Patent Application
Arm chamfer for comb type actuator in rotating disk storage device...
Publication number
20060114614
Publication date
Jun 1, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hitoshi Tsujino
G11 - INFORMATION STORAGE
Information
Patent Application
Suspension assembly and rotary disk storage device
Publication number
20040246625
Publication date
Dec 9, 2004
Hitachi Global Storage Technologies Netherlands, B.V.
Hiroyasu Tsuchida
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive apparatus, head assembly, and pivot bearing
Publication number
20020114109
Publication date
Aug 22, 2002
International Business Machines Corporation
Toshihiko Yuki
G11 - INFORMATION STORAGE