Hidekazu Kohira

Person

Naka-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic head slider and magnetic disk drive
- Patent number 8,767,338
- Issue date Jul 1, 2014
- HGST Netherlands B.V.
- Toshiya Shiramatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic disk drive including an electrothermal body
- Patent number 8,526,139
- Issue date Sep 3, 2013
- HGST Netherlands B.V.
- Koji Miyake
- 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
Magnetic disk drive slider having a trailing edge extended rear sur...
- Patent number 8,184,402
- Issue date May 22, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Satoru Ookubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive, head-slider and method for controlling clearance of a r...
- Patent number 8,125,728
- Issue date Feb 28, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Masayuki Kurita
- 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
Slider air bearing with asymetric side rail
- Patent number 7,817,378
- Issue date Oct 19, 2010
- Hitachi Global Storage Technologies Netherlands, B.V.
- Weidong Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and disk drive with reduced damage to recordin...
- Patent number 7,787,216
- Issue date Aug 31, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Kiyoshi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus with heating device and magnetic head slide...
- Patent number 7,729,088
- Issue date Jun 1, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider with trailing rail surface for flying height c...
- Patent number 7,679,863
- Issue date Mar 16, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Kiyoshi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Compact magnetic head slider with reduced bearing surfaces
- Patent number 7,626,786
- Issue date Dec 1, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider with reduced bearing surface area and magnetic...
- Patent number 7,580,224
- Issue date Aug 25, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus with heating device and magnetic head slide...
- Patent number 7,558,022
- Issue date Jul 7, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Aerodynamic magnetic head slider and magnetic disk drive
- Patent number 7,542,238
- Issue date Jun 2, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermal assist head slider
- Patent number 7,525,765
- Issue date Apr 28, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head slider, magnetic head support mechanism, ma...
- Patent number 7,362,544
- Issue date Apr 22, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Toshiya Shiramatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and magnetic head slider
- Patent number 7,164,556
- Issue date Jan 16, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and magnet disk apparatus
- Patent number 7,095,587
- Issue date Aug 22, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider with side pads which each have a width W and a...
- Patent number 7,085,103
- Issue date Aug 1, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head gimbal assembly and magnetic disk unit
- Patent number 7,061,722
- Issue date Jun 13, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Hidekazu Kohira
- 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 disk device and magnetic head slider
- Patent number 6,934,123
- Issue date Aug 23, 2005
- Hitachi, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider having optimized ratio of negative pressure be...
- Patent number 6,842,309
- Issue date Jan 11, 2005
- Hitachi, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and magnetic head slider
- Patent number 6,795,275
- Issue date Sep 21, 2004
- Hitachi, Ltd.
- Hidetoshi Anan
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head gimbal assembly and magnetic disk unit
- Patent number 6,760,193
- Issue date Jul 6, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and magnetic head slider
- Patent number 6,744,598
- Issue date Jun 1, 2004
- Hitachi, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and magnetic head slider
- Patent number 6,744,600
- Issue date Jun 1, 2004
- Hitachi, Ltd.
- Hidekazu Kohira
- 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
Magnetic head slider
- Patent number 6,657,820
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Head Slider and Magnetic Disk Drive
- Publication number 20110149430
- Publication date Jun 23, 2011
- Toshiya Shiramatsu
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE HOLE OF A HEAD SLIDER IN A HARD DISK DRIVE
- Publication number 20110122532
- Publication date May 26, 2011
- Sanford A. Bolasna
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE, HEAD-SLIDER AND METHOD FOR CONTROLLING CLEARANCE OF A R...
- Publication number 20110069408
- Publication date Mar 24, 2011
- Masayuki Kurita
- 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, HEAD-ARM ASSEMBLY INCLUDING THE HEAD-SLIDER, AND HARD-...
- Publication number 20100053816
- Publication date Mar 4, 2010
- Satoru OOKUBO
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus with heating device and magnetic head slide...
- Publication number 20090225474
- Publication date Sep 10, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Application
Slider air bearing with asymetric side rail
- Publication number 20080204936
- Publication date Aug 28, 2008
- Weidong Huang
- G11 - INFORMATION STORAGE
Information Patent Application
Manufacturing method for magnetic disk drive
- Publication number 20080192379
- Publication date Aug 14, 2008
- Masayuki Kurita
- 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
Slider air bearing for mobile drives
- Publication number 20080158724
- Publication date Jul 3, 2008
- Lee K. Dorius
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic disk drive
- Publication number 20080024915
- Publication date Jan 31, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Koji Miyake
- 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 head slider with flying height control
- Publication number 20070058296
- Publication date Mar 15, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Kiyoshi Hashimoto
- 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
Magnetic head slider and disk drive with reduced damage to recordin...
- Publication number 20060139810
- Publication date Jun 29, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kiyoshi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Thermal assist head slider
- Publication number 20060119971
- Publication date Jun 8, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider with reduced bearing surface area and magnetic...
- Publication number 20060119986
- Publication date Jun 8, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Compact magnetic head slider with reduced bearing surfaces
- Publication number 20060114612
- Publication date Jun 1, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device and magnetic head slider
- Publication number 20050270697
- Publication date Dec 8, 2005
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disk drive
- Publication number 20050225902
- Publication date Oct 13, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus with heating device and magnetic head slide...
- Publication number 20050213250
- Publication date Sep 29, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disk apparatus using the same
- Publication number 20050099729
- Publication date May 12, 2005
- Hitachi, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head slider, magnetic head support mechanism, ma...
- Publication number 20050094316
- Publication date May 5, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Toshiya Shiramatsu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnet disk apparatus
- Publication number 20050024775
- Publication date Feb 3, 2005
- Masayuki Kurita
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device and magnetic head slider
- Publication number 20040212930
- Publication date Oct 28, 2004
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disc unit
- Publication number 20040150914
- Publication date Aug 5, 2004
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disk apparatus using the same
- Publication number 20040037006
- Publication date Feb 26, 2004
- Hitachi, Ltd.
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider, support therefor and magnetic disk unit
- Publication number 20030218832
- Publication date Nov 27, 2003
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device and magnetic head slider
- Publication number 20030197979
- Publication date Oct 23, 2003
- Hidekazu Kohira
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device and magnetic head slider
- Publication number 20030193750
- Publication date Oct 16, 2003
- Hidekazu Kohira
- G11 - INFORMATION STORAGE

Hidekazu Kohira

Person

Patents Grantslast 30 patents

Magnetic head slider and magnetic disk drive

Magnetic head and magnetic disk drive including an electrothermal body

Head slider

Magnetic disk drive slider having a trailing edge extended rear sur...

Disk drive, head-slider and method for controlling clearance of a r...

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

Slider air bearing with asymetric side rail

Magnetic head slider and disk drive with reduced damage to recordin...

Magnetic disk apparatus with heating device and magnetic head slide...

Magnetic head slider with trailing rail surface for flying height c...

Compact magnetic head slider with reduced bearing surfaces

Magnetic head slider with reduced bearing surface area and magnetic...

Magnetic disk apparatus with heating device and magnetic head slide...

Aerodynamic magnetic head slider and magnetic disk drive

Thermal assist head slider

Thin film magnetic head slider, magnetic head support mechanism, ma...

Magnetic disk device and magnetic head slider

Magnetic head slider and magnet disk apparatus

Magnetic head slider with side pads which each have a width W and a...

Magnetic head gimbal assembly and magnetic disk unit

Magnetic head slider and magnetic disc unit

Magnetic head slider, support therefor and magnetic disk unit

Magnetic disk device and magnetic head slider

Magnetic head slider having optimized ratio of negative pressure be...

Magnetic disk device and magnetic head slider

Magnetic head gimbal assembly and magnetic disk unit

Magnetic disk device and magnetic head slider

Magnetic disk device and magnetic head slider

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

Magnetic head slider

Patents Applicationslast 30 patents

Magnetic Head Slider and Magnetic Disk Drive

WRITE HOLE OF A HEAD SLIDER IN A HARD DISK DRIVE

DISK DRIVE, HEAD-SLIDER AND METHOD FOR CONTROLLING CLEARANCE OF A R...

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

HEAD-SLIDER, HEAD-ARM ASSEMBLY INCLUDING THE HEAD-SLIDER, AND HARD-...

Magnetic disk apparatus with heating device and magnetic head slide...

Slider air bearing with asymetric side rail

Manufacturing method for magnetic disk drive

Head slider

Slider air bearing for mobile drives

Magnetic head and magnetic disk drive

Magnetic head slider

Magnetic head slider with flying height control

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

Magnetic head slider and disk drive with reduced damage to recordin...

Thermal assist head slider

Magnetic head slider with reduced bearing surface area and magnetic...

Compact magnetic head slider with reduced bearing surfaces

Magnetic disk device and magnetic head slider

Magnetic head slider and magnetic disk drive

Magnetic disk apparatus with heating device and magnetic head slide...

Magnetic head slider and magnetic disk apparatus using the same

Thin film magnetic head slider, magnetic head support mechanism, ma...

Magnetic head slider and magnet disk apparatus

Magnetic disk device and magnetic head slider

Magnetic head slider and magnetic disc unit

Magnetic head slider and magnetic disk apparatus using the same

Magnetic head slider, support therefor and magnetic disk unit

Magnetic disk device and magnetic head slider

Magnetic disk device and magnetic head slider