Keiji Aruga

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Balance corrector
- Patent number 7,730,763
- Issue date Jun 8, 2010
- Toshiba Storage Device Corporation
- Toru Kohei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic head actuator and magnetic disk device having damper mater...
- Patent number 7,697,240
- Issue date Apr 13, 2010
- Toshiba Storage Device Corporation
- Kei Funabashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Product including filmed screw
- Patent number 7,619,854
- Issue date Nov 17, 2009
- Fujitsu Limited
- Keiji Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Head stack assembly, its manufacturing method, and magnetic disc dr...
- Patent number 7,599,150
- Issue date Oct 6, 2009
- Fujitsu Limited
- Kenichiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Filtering device for a magnetic disc apparatus
- Patent number 7,564,647
- Issue date Jul 21, 2009
- Fujitsu Limited
- Masaya Suwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Head suspension including flexure having as elastic bending section
- Patent number 7,551,399
- Issue date Jun 23, 2009
- Fujitsu Limited
- Takuma Kido
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head structure with insulating layer configured to reduce...
- Patent number 7,414,810
- Issue date Aug 19, 2008
- Fujitsu Limited
- Kenichiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head assembly
- Patent number 7,336,444
- Issue date Feb 26, 2008
- Fujitsu Limited
- Takuma Kido
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage device
- Patent number 6,690,549
- Issue date Feb 10, 2004
- Fujitsu Limited
- Koichi Aikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Sound reducing cover seal for information recording apparatus
- Patent number 6,567,237
- Issue date May 20, 2003
- Fujitsu Limited
- Hiroyuki Iwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotational vibration testing apparatus
- Patent number 6,543,289
- Issue date Apr 8, 2003
- Fujitsu Limited
- Akihide Jinzenji
- G01 - MEASURING TESTING
Information Patent Grant
Detecting circuit for read signal from magnetic recording system us...
- Patent number 6,501,610
- Issue date Dec 31, 2002
- Fujitsu Limited
- Takao Sugawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disk drive and method of assembling the same
- Patent number 6,487,038
- Issue date Nov 26, 2002
- Fujitsu Limited
- Mitsuhiro Izumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive capable of reducing noise at starting utilizing...
- Patent number 6,466,400
- Issue date Oct 15, 2002
- Fujitsu Limited
- Hiroyuki Iwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and apparatus for writing reference signal into the device
- Patent number 6,373,654
- Issue date Apr 16, 2002
- Fujitsu Limited
- Hiroyuki Iwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Sound reducing cover seal for information recording apparatus
- Patent number 6,266,207
- Issue date Jul 24, 2001
- Fujitsu Limited
- Hiroyuki Iwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Head position control for a disk drive which performs recording abo...
- Patent number 6,128,153
- Issue date Oct 3, 2000
- Fujitsu Limited
- Susumu Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for analyzing vibration of housing of disk device
- Patent number 6,101,453
- Issue date Aug 8, 2000
- Fujitsu Limited
- Masaya Suwa
- G01 - MEASURING TESTING
Information Patent Grant
Servo pattern writing method for magnetic disk drives, and magnetic...
- Patent number 6,064,541
- Issue date May 16, 2000
- Fujitsu Limited
- Tatsuro Sasamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Construction for attaching a disk in a disk drive
- Patent number 6,025,973
- Issue date Feb 15, 2000
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Shaft construction of a disk drive
- Patent number 6,016,237
- Issue date Jan 18, 2000
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with rectification wall for circulation filter and filte...
- Patent number 6,008,965
- Issue date Dec 28, 1999
- Fujitsu Limited
- Mitsuhiro Izumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Head positioning control system for disk drives each formed by asse...
- Patent number 5,995,318
- Issue date Nov 30, 1999
- Fujitsu Limited
- Susumu Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic circuit for voice coil motor of flat-coil type
- Patent number 5,986,362
- Issue date Nov 16, 1999
- Fujitsu Limited
- Tomoo Sukagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive having a thickness equal to an IC memory card
- Patent number 5,880,904
- Issue date Mar 9, 1999
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Head actuator having reduced and controlled vibration characteristi...
- Patent number 5,764,441
- Issue date Jun 9, 1998
- Fujitsu Limited
- Keiji Aruga
- G11 - INFORMATION STORAGE
Information Patent Grant
Head actuator
- Patent number 5,608,592
- Issue date Mar 4, 1997
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive having the same
- Patent number 5,519,270
- Issue date May 21, 1996
- Fujitsu Limited
- Tomoyoshi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus having a vibration proof structure
- Patent number 5,349,486
- Issue date Sep 20, 1994
- Fujitsu Limited
- Masaharu Sugimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotating support apparatus in disk storage device
- Patent number 5,112,147
- Issue date May 12, 1992
- Fujitsu Limited
- Takahiro Imamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CONTROLLER AND STORAGE DEVICE
- Publication number 20100079902
- Publication date Apr 1, 2010
- Fujitsu Limited
- Keiji Aruga
- G11 - INFORMATION STORAGE
Information Patent Application
CARRIAGE ASSEMBLY AND DISK DRIVE
- Publication number 20090290261
- Publication date Nov 26, 2009
- Fujitsu Limited
- Hisashi Kaneko
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording device and head
- Publication number 20080225673
- Publication date Sep 18, 2008
- FUJITSU LIMITED
- Shinya Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
Clamp device
- Publication number 20080037163
- Publication date Feb 14, 2008
- FUJITSU LIMITED
- Toru Kohei
- G11 - INFORMATION STORAGE
Information Patent Application
Balance corrector
- Publication number 20080034838
- Publication date Feb 14, 2008
- FUJITSU LIMITED
- Toru Kohei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Product including filmed screw
- Publication number 20070253291
- Publication date Nov 1, 2007
- FUJITSU LIMITED
- Keiji Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head structure with enlarged insulating layer
- Publication number 20070165329
- Publication date Jul 19, 2007
- Kenichiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head structure with enlarged insulating layer
- Publication number 20070133126
- Publication date Jun 14, 2007
- Kenichiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc apparatus
- Publication number 20070025015
- Publication date Feb 1, 2007
- FUJITSU LIMITED
- Masaya Suwa
- G11 - INFORMATION STORAGE
Information Patent Application
Suspension for head slider
- Publication number 20070019331
- Publication date Jan 25, 2007
- FUJITSU LIMITED
- Takuma Kido
- G11 - INFORMATION STORAGE
Information Patent Application
Head stack assembly, its manufacturing method, and magnetic disc dr...
- Publication number 20060221506
- Publication date Oct 5, 2006
- FUJITSU LIMITED
- Kenichiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head assembly
- Publication number 20060176617
- Publication date Aug 10, 2006
- FUJITSU LIMITED
- Takuma Kido
- G11 - INFORMATION STORAGE
Information Patent Application
Method for arranging a vibration suppressing plate to be arranged o...
- Publication number 20050237908
- Publication date Oct 27, 2005
- KANSEISHA CO., LTD.
- Yasuo Takano
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head structure with enlarged insulating layer
- Publication number 20050219749
- Publication date Oct 6, 2005
- FUJITSU LIMITED
- Kenichiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head actuator and magnetic disk device
- Publication number 20050152070
- Publication date Jul 14, 2005
- FUJITSU LIMITED
- Kei Funabashi
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING DISK DRIVE AND METHOD OF ASSEMBLING THE SAME
- Publication number 20020171972
- Publication date Nov 21, 2002
- FUJITSU LIMITED
- MITSUHIRO IZUMI
- G11 - INFORMATION STORAGE
Information Patent Application
Sound reducing cover seal for information recording apparatus
- Publication number 20010009486
- Publication date Jul 26, 2001
- Fujitsu Limited
- Hiroyuki Iwahara
- G11 - INFORMATION STORAGE

Keiji Aruga

Person

Patents Grantslast 30 patents

Balance corrector

Magnetic head actuator and magnetic disk device having damper mater...

Product including filmed screw

Head stack assembly, its manufacturing method, and magnetic disc dr...

Filtering device for a magnetic disc apparatus

Head suspension including flexure having as elastic bending section

Magnetic head structure with insulating layer configured to reduce...

Magnetic head assembly

Storage device

Sound reducing cover seal for information recording apparatus

Rotational vibration testing apparatus

Detecting circuit for read signal from magnetic recording system us...

Recording disk drive and method of assembling the same

Magnetic disk drive capable of reducing noise at starting utilizing...

Disk device and apparatus for writing reference signal into the device

Sound reducing cover seal for information recording apparatus

Head position control for a disk drive which performs recording abo...

Method and apparatus for analyzing vibration of housing of disk device

Servo pattern writing method for magnetic disk drives, and magnetic...

Construction for attaching a disk in a disk drive

Shaft construction of a disk drive

Disk drive with rectification wall for circulation filter and filte...

Head positioning control system for disk drives each formed by asse...

Magnetic circuit for voice coil motor of flat-coil type

Disk drive having a thickness equal to an IC memory card

Head actuator having reduced and controlled vibration characteristi...

Head actuator

Spindle motor and disk drive having the same

Magnetic disk storage apparatus having a vibration proof structure

Rotating support apparatus in disk storage device

Patents Applicationslast 30 patents

CONTROLLER AND STORAGE DEVICE

CARRIAGE ASSEMBLY AND DISK DRIVE

Information recording device and head

Clamp device

Balance corrector

Product including filmed screw

Magnetic head structure with enlarged insulating layer

Magnetic head structure with enlarged insulating layer

Magnetic disc apparatus

Suspension for head slider

Head stack assembly, its manufacturing method, and magnetic disc dr...

Magnetic head assembly

Method for arranging a vibration suppressing plate to be arranged o...

Magnetic head structure with enlarged insulating layer

Magnetic head actuator and magnetic disk device

RECORDING DISK DRIVE AND METHOD OF ASSEMBLING THE SAME

Sound reducing cover seal for information recording apparatus