Junguo Xu

Person

Chiyoda, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hard disk drive with contact detection using a spin torque oscillator
- Patent number 9,355,668
- Issue date May 31, 2016
- HGST Netherlands B.V.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for microwave assisted magnetic recording
- Patent number 9,311,945
- Issue date Apr 12, 2016
- HGST Netherlands B.V.
- Kenichiro Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for clearance monitoring in storage media
- Patent number 9,159,348
- Issue date Oct 13, 2015
- HGST Netherlands B.V.
- Jianhua Li
- G11 - INFORMATION STORAGE
Information Patent Grant
High-speed recording disk defect detection
- Patent number 9,053,725
- Issue date Jun 9, 2015
- HGST Netherlands B.V.
- Yuichiro Sano
- G11 - INFORMATION STORAGE
Information Patent Grant
Head structure with electric damage protection for a microwave-assi...
- Patent number 9,007,724
- Issue date Apr 14, 2015
- HGST Netherlands B.V.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Implementing surface analysis test (SAT) function for microwave-ass...
- Patent number 8,885,274
- Issue date Nov 11, 2014
- HGST Netherlands B.V.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Implementing enhanced ESD prevention for hard disk drives using spi...
- Patent number 8,797,693
- Issue date Aug 5, 2014
- HGST Netherlands B.V.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device for inspecting for defects
- Patent number 8,670,116
- Issue date Mar 11, 2014
- Hitachi High-Technologies Corporation
- Toshiyuki Nakao
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head slider inspection device
- Patent number 8,553,512
- Issue date Oct 8, 2013
- Hitachi, Ltd.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Noise and particle shield for contact sensor in a slider
- Patent number 8,477,455
- Issue date Jul 2, 2013
- HGST Netherlands B.V.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Head slider, head assembly, and magnetic disk device
- Patent number 8,315,016
- Issue date Nov 20, 2012
- Hitachi, Ltd.
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive and magnetic head slider with stabilized flying
- Patent number 8,270,116
- Issue date Sep 18, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Head slider
- Patent number 8,218,266
- Issue date Jul 10, 2012
- HGST Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard-disk drive with vapor-phase lubricant supply system
- Patent number 8,184,397
- Issue date May 22, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Yukio Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive including head-slider configured to suppress lubricant d...
- Patent number 8,116,037
- Issue date Feb 14, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive and head slider
- Patent number 8,102,626
- Issue date Jan 24, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Jianhua Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider having spherical of ellipsoidal projection for...
- Patent number 7,738,215
- Issue date Jun 15, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head heating element in a disk drive
- Patent number 7,474,504
- Issue date Jan 6, 2009
- Hitachi, Ltd.
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Suspension having magnetic head assembly mounted thereon and magnet...
- Patent number 7,375,913
- Issue date May 20, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Controlling head flying height in a data storage device
- Patent number 7,271,975
- Issue date Sep 18, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus and method of controlling the same
- Patent number 7,209,309
- Issue date Apr 24, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus and position control method for magnetic he...
- Patent number 7,151,644
- Issue date Dec 19, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Suspension having magnetic head assembly mounted thereon and magnet...
- Patent number 7,088,543
- Issue date Aug 8, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and magnetic disc unit
- Patent number 7,042,678
- Issue date May 9, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider, support therefor and magnetic disk unit
- Patent number 7,038,883
- Issue date May 2, 2006
- Hitachi Golbal Storage Technologies Japan, Ltd.
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head heating element in a disk drive
- Patent number 6,963,464
- Issue date Nov 8, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus and position control method for magnetic he...
- Patent number 6,920,009
- Issue date Jul 19, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus and method of controlling the same
- Patent number 6,798,605
- Issue date Sep 28, 2004
- Hitachi, Ltd.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive with air bearing surface pad on movable portion...
- Patent number 6,690,543
- Issue date Feb 10, 2004
- Hitachi, Ltd.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider capable of reducing distance between head element and record...
- Patent number 6,633,455
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) MEDIA WITH MAGNESIUM TRAPPI...
- Publication number 20230005503
- Publication date Jan 5, 2023
- Western Digital Technologies, Inc.
- Takashi Iwanami
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR CLEARANCE MONITORING IN STORAGE MEDIA
- Publication number 20150170695
- Publication date Jun 18, 2015
- HGST NETHERLANDS B.V.
- Jianhua Li
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR MICROWAVE ASSISTED MAGNETIC RECORDING
- Publication number 20150124353
- Publication date May 7, 2015
- HGST NETHERLANDS B.V.
- Kenichiro TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator
- Publication number 20140347969
- Publication date Nov 27, 2014
- HGST NETHERLANDS B.V.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD OPTICAL DEFECT INSPECTION APPARATUS
- Publication number 20140110606
- Publication date Apr 24, 2014
- Hitachi, Ltd
- Masaru Furukawa
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND DEVICE FOR INSPECTING FOR DEFECTS
- Publication number 20130155400
- Publication date Jun 20, 2013
- Toshiyuki Nakao
- B82 - NANO-TECHNOLOGY
Information Patent Application
NOISE AND PARTICLE SHIELD FOR CONTACT SENSOR IN A SLIDER
- Publication number 20120120528
- Publication date May 17, 2012
- Masaru Furukawa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD SLIDER AND MAGNETIC DISK DRIVE
- Publication number 20110299188
- Publication date Dec 8, 2011
- Hitachi, Ltd
- Kyosuke ONO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD SLIDER INSPECTION DEVICE
- Publication number 20110242954
- Publication date Oct 6, 2011
- Hitachi, Ltd.
- MASARU FURUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
FLAT SURFACE INSPECTION APPARATUS
- Publication number 20110242524
- Publication date Oct 6, 2011
- Hitachi, Ltd.
- YUKI SHIMIZU
- G01 - MEASURING TESTING
Information Patent Application
HARD-DISK DRIVE WITH VAPOR-PHASE LUBRICANT SUPPLY SYSTEM
- Publication number 20110122531
- Publication date May 26, 2011
- Yukio KATO
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE INCLUDING HEAD-SLIDER CONFIGURED TO SUPPRESS LUBRICANT D...
- Publication number 20110058275
- Publication date Mar 10, 2011
- Hidekazu KOHIRA
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD SLIDER AND MAGNETIC DISK DEVICE
- Publication number 20100309585
- Publication date Dec 9, 2010
- Masaru FURUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD SLIDER, HEAD ASSEMBLY, AND MAGNETIC DISK DEVICE
- Publication number 20100097716
- Publication date Apr 22, 2010
- Masaru FURUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE AND HEAD SLIDER
- Publication number 20090109573
- Publication date Apr 30, 2009
- Jianhua Li
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disk drive
- Publication number 20090073610
- Publication date Mar 19, 2009
- Toshiaki Ohtani
- G11 - INFORMATION STORAGE
Information Patent Application
Head slider
- Publication number 20080297949
- Publication date Dec 4, 2008
- Hitachi, Ltd.
- Irizo Naniwa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD SLIDER
- Publication number 20080259502
- Publication date Oct 23, 2008
- Yuki SHIMIZU
- G11 - INFORMATION STORAGE
Information Patent Application
Suspension having magnetic head assembly mounted thereon and magnet...
- Publication number 20080212236
- Publication date Sep 4, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Head slider
- Publication number 20080170332
- Publication date Jul 17, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider
- Publication number 20070253111
- Publication date Nov 1, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive and magnetic head slider with stabilized flying
- Publication number 20070086112
- Publication date Apr 19, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus and method of controlling the same
- Publication number 20070070550
- Publication date Mar 29, 2007
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider with suppressed flying height reduction and ma...
- Publication number 20070025023
- Publication date Feb 1, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Suspension having magnetic head assembly mounted thereon and magnet...
- Publication number 20060245100
- Publication date Nov 2, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, connector, and magnetic disk drive
- Publication number 20060044669
- Publication date Mar 2, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yuki Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head heating element in a disk drive
- Publication number 20060039077
- Publication date Feb 23, 2006
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus and position control method for magnetic he...
- Publication number 20050270683
- Publication date Dec 8, 2005
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus and position control method for magnetic he...
- Publication number 20050052776
- Publication date Mar 10, 2005
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus and method of controlling the same
- Publication number 20050013057
- Publication date Jan 20, 2005
- Masayuki Kurita
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Hard disk drive with contact detection using a spin torque oscillator

Magnetic head for microwave assisted magnetic recording

Systems and methods for clearance monitoring in storage media

High-speed recording disk defect detection

Head structure with electric damage protection for a microwave-assi...

Implementing surface analysis test (SAT) function for microwave-ass...

Implementing enhanced ESD prevention for hard disk drives using spi...

Method and device for inspecting for defects

Magnetic head slider inspection device

Noise and particle shield for contact sensor in a slider

Head slider, head assembly, and magnetic disk device

Magnetic disk drive and magnetic head slider with stabilized flying

Head slider

Hard-disk drive with vapor-phase lubricant supply system

Disk drive including head-slider configured to suppress lubricant d...

Disk drive and head slider

Magnetic head slider having spherical of ellipsoidal projection for...

Magnetic head heating element in a disk drive

Suspension having magnetic head assembly mounted thereon and magnet...

Controlling head flying height in a data storage device

Magnetic disk apparatus and method of controlling the same

Magnetic disk apparatus and position control method for magnetic he...

Suspension having magnetic head assembly mounted thereon and magnet...

Magnetic head slider and magnetic disc unit

Magnetic head slider, support therefor and magnetic disk unit

Magnetic head heating element in a disk drive

Magnetic disk apparatus and position control method for magnetic he...

Magnetic disk apparatus and method of controlling the same

Magnetic disk drive with air bearing surface pad on movable portion...

Slider capable of reducing distance between head element and record...

Patents Applicationslast 30 patents

HEAT-ASSISTED MAGNETIC RECORDING (HAMR) MEDIA WITH MAGNESIUM TRAPPI...

SYSTEMS AND METHODS FOR CLEARANCE MONITORING IN STORAGE MEDIA

MAGNETIC HEAD FOR MICROWAVE ASSISTED MAGNETIC RECORDING

Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator

NEAR-FIELD OPTICAL DEFECT INSPECTION APPARATUS

METHOD AND DEVICE FOR INSPECTING FOR DEFECTS

NOISE AND PARTICLE SHIELD FOR CONTACT SENSOR IN A SLIDER

MAGNETIC HEAD SLIDER AND MAGNETIC DISK DRIVE

MAGNETIC HEAD SLIDER INSPECTION DEVICE

FLAT SURFACE INSPECTION APPARATUS

HARD-DISK DRIVE WITH VAPOR-PHASE LUBRICANT SUPPLY SYSTEM

DISK DRIVE INCLUDING HEAD-SLIDER CONFIGURED TO SUPPRESS LUBRICANT D...

HEAD SLIDER AND MAGNETIC DISK DEVICE

HEAD SLIDER, HEAD ASSEMBLY, AND MAGNETIC DISK DEVICE

DISK DRIVE AND HEAD SLIDER

Magnetic head slider and magnetic disk drive

Head slider

MAGNETIC HEAD SLIDER

Suspension having magnetic head assembly mounted thereon and magnet...

Head slider

Magnetic head slider

Magnetic disk drive and magnetic head slider with stabilized flying

Magnetic disk apparatus and method of controlling the same

Magnetic head slider with suppressed flying height reduction and ma...

Suspension having magnetic head assembly mounted thereon and magnet...

Data storage device, connector, and magnetic disk drive

Magnetic head heating element in a disk drive

Magnetic disk apparatus and position control method for magnetic he...

Magnetic disk apparatus and position control method for magnetic he...

Magnetic disk apparatus and method of controlling the same