| Patent | Date |
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Producing a magnetic disk device
Grant 9,202,504 - Akagi , et al. December 1, 2 | 2015-12-01 |
Magnetic recording with tilted media in the cross track direction
Grant 8,976,484 - Akagi , et al. March 10, 2 | 2015-03-10 |
Track pitch variation measurement method using spiral DC pattern writing
Grant 8,861,116 - Nishiyama , et al. October 14, 2 | 2014-10-14 |
Dynamic track pitch control for shingled magnetic recording (SMR)
Grant 8,797,672 - Tanabe , et al. August 5, 2 | 2014-08-05 |
Dynamic Track Pitch Control for Shingled Magnetic Recording (SMR)
App 20130335856 - Tanabe; Hiroyasu ; et al. | 2013-12-19 |
Magnetic recording media, method for servowriting on same, and hard disk drive
Grant 8,482,877 - Akagi , et al. July 9, 2 | 2013-07-09 |
Track Pitch Variation Measurement Method Using Spiral Dc Pattern Writing
App 20130033778 - Nishiyama; Mao ; et al. | 2013-02-07 |
Producing A Magnetic Disk Device
App 20110094091 - Akagi; Kyo ; et al. | 2011-04-28 |
Magnetic disk unit and manufacturing method thereof
Grant 7,852,595 - Kitahori , et al. December 14, 2 | 2010-12-14 |
Method for manufacturing magnetic disk unit
App 20090300907 - Akagi; Kyo ; et al. | 2009-12-10 |
Magnetic disk unit and manufacturing method thereof
App 20090135517 - Kitahori; Hiroki ; et al. | 2009-05-28 |
Method for erase process on recording surface of disk and disk drive apparatus
Grant 7,532,426 - Nakagawa , et al. May 12, 2 | 2009-05-12 |
Magnetic recording media, method for servowriting on same, and hard disk drive
App 20080239906 - Akagi; Kyo ; et al. | 2008-10-02 |
Method for erase process on recording surface of disk and disk drive apparatus
App 20070258162 - Nakagawa; Takahiro ; et al. | 2007-11-08 |
Method of servo pattern writing on recording surface and data storage device
App 20070247741 - Akagi; Kyo ; et al. | 2007-10-25 |
Magnetic hard disk drive
Grant 7,184,236 - Hamaguchi , et al. February 27, 2 | 2007-02-27 |
Method for manufacturing magnetic head device
Grant 7,159,303 - Nakatani , et al. January 9, 2 | 2007-01-09 |
Apparatus for locking a moveable part of a magnetic disk apparatus
Grant 7,116,508 - Akagi , et al. October 3, 2 | 2006-10-03 |
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus
App 20060152862 - Nakatani; Ryoichi ; et al. | 2006-07-13 |
Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect
Grant 7,054,120 - Nakatani , et al. May 30, 2 | 2006-05-30 |
Magnetic disk drive which accesses host RAM
Grant 6,987,635 - Akagi , et al. January 17, 2 | 2006-01-17 |
Magnetic disk apparatus
Grant 6,961,201 - Odai , et al. November 1, 2 | 2005-11-01 |
Magnetic disk apparatus
App 20050128627 - Akagi, Kyo ; et al. | 2005-06-16 |
Apparatus for latching a magnetic disk
Grant 6,862,153 - Akagi , et al. March 1, 2 | 2005-03-01 |
Magnetic hard disk drive
App 20050036226 - Hamaguchi, Takehiko ; et al. | 2005-02-17 |
Magnetic hard disk drive
Grant 6,822,818 - Hamaguchi , et al. November 23, 2 | 2004-11-23 |
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus
App 20040090850 - Nakatani, Ryoichi ; et al. | 2004-05-13 |
Magnetic disk apparatus
App 20040057150 - Odai, Masaki ; et al. | 2004-03-25 |
Disk apparatus and information processing system discriminative plural external electronic appliances
Grant 6,687,072 - Okuyama , et al. February 3, 2 | 2004-02-03 |
Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference
Grant 6,687,099 - Nakatani , et al. February 3, 2 | 2004-02-03 |
Magnetic disk apparatus and storage system
App 20040017630 - Akagi, Kyo ; et al. | 2004-01-29 |
Magnetic disc apparatus having wiring on the outer bottom
Grant 6,594,107 - Hayakawa , et al. July 15, 2 | 2003-07-15 |
Magnetic disk drive with servo signal decoder using amplitude detection and phase detection system
Grant 6,590,729 - Akagi , et al. July 8, 2 | 2003-07-08 |
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus
App 20030117750 - Nakatani, Ryoichi ; et al. | 2003-06-26 |
Magnetic disc apparatus
App 20030016468 - Hayakawa, Takako ; et al. | 2003-01-23 |
Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect
Grant 6,483,677 - Nakatani , et al. November 19, 2 | 2002-11-19 |
Disk apparatus and information processing system
App 20020126408 - Okuyama, Atsushi ; et al. | 2002-09-12 |
Magnetic hard disk drive
App 20020060871 - Hamaguchi, Takehiko ; et al. | 2002-05-23 |
Magnetic disk apparatus
App 20020027735 - Akagi, Kyo ; et al. | 2002-03-07 |
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus
App 20020018325 - Nakatani, Ryoichi ; et al. | 2002-02-14 |
Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions
Grant 6,011,674 - Nakatani , et al. January 4, 2 | 2000-01-04 |
Longitudinal magnetic recording medium and apparatus
Grant 5,766,718 - Matsuda , et al. June 16, 1 | 1998-06-16 |
Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction
Grant 5,736,235 - Matsuda , et al. April 7, 1 | 1998-04-07 |
Multilayer magnetoresistance effect-type magnetic head
Grant 5,726,837 - Nakatani , et al. March 10, 1 | 1998-03-10 |
Method of head positioning and magnetic recording disk drive using the same
Grant 5,568,331 - Akagi , et al. October 22, 1 | 1996-10-22 |
Multilayer magnetoresistance effect-type magnetic head
Grant 5,390,061 - Nakatani , et al. February 14, 1 | 1995-02-14 |
Magnetic recording data storage system
Grant 5,325,244 - Takano , et al. June 28, 1 | 1994-06-28 |
Magneto-optical recording apparatus having a magnetic slider with increased rail width
Grant 5,253,232 - Akagi , et al. October 12, 1 | 1993-10-12 |
High-density magnetic recording and optical reproducing apparatus
Grant 5,093,822 - Kugiya , et al. March 3, 1 | 1992-03-03 |
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