| Patent | Date |
|---|
Perpendicular magnetic recording media having an extremely low Hk layer
Grant 9,966,095 - Tonooka , et al. May 8, 2 | 2018-05-08 |
Perpendicular Magnetic Recording Media Having An Extremely Low Hk Layer
App 20180040345 - Tonooka; Shun ; et al. | 2018-02-08 |
Soft magnetic underlayer having high temperature robustness for high areal density perpendicular recording media
Grant 9,406,328 - Tonooka , et al. August 2, 2 | 2016-08-02 |
Perpendicular Recording Media Having High-temperature Robustness
App 20160035381 - TONOOKA; Shun ; et al. | 2016-02-04 |
Soft Magnetic Underlayer Having High Temperature Robustness For High Areal Density Perpendicular Recording Media
App 20160035380 - Tonooka; Shun ; et al. | 2016-02-04 |
Perpendicular Magnetic Recording Medium With Grain Boundary Controlling Layers
App 20150294679 - Tonooka; Shun ; et al. | 2015-10-15 |
Perpendicular magnetic recording medium with grain boundary controlling layers
Grant 9,058,831 - Tonooka , et al. June 16, 2 | 2015-06-16 |
Method for manufacturing perpendicular magnetic recording medium
Grant 8,795,478 - Honda , et al. August 5, 2 | 2014-08-05 |
Perpendicular magnetic recording medium (PMRM) and magnetic storage device using the same
Grant 8,705,208 - Nakagawa , et al. April 22, 2 | 2014-04-22 |
Perpendicular magnetic recording media having low medium noise and systems using the same
Grant 8,592,060 - Tamai , et al. November 26, 2 | 2013-11-26 |
Perpendicular Magnetic Recording Medium With Grain Boundary Controlling Layers
App 20130155542 - Tonooka; Shun ; et al. | 2013-06-20 |
Perpendicular magnetic recording medium and magnetic storage device using the same
Grant 8,440,332 - Tamai , et al. May 14, 2 | 2013-05-14 |
Perpendicular magnetic recording medium having FCC seed layers
Grant 8,390,956 - Tonooka , et al. March 5, 2 | 2013-03-05 |
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH AN INVERTED Hk STRUCTURE
App 20120307395 - Tonooka; Shun ; et al. | 2012-12-06 |
Magnetic recording medium using layers having higher- and lower-H.sub.K anisotropic magnetic fields
Grant 8,298,688 - Nemoto , et al. October 30, 2 | 2012-10-30 |
Methods and apparatus to fabricate soft magnetic film with preferred uniaxial anisotropy for perpendicular recording
Grant 8,252,367 - Choe , et al. August 28, 2 | 2012-08-28 |
Perpendicular Magnetic Recording Media Having Low Medium Noise And Systems Using The Same
App 20120154948 - Tamai; Ichiro ; et al. | 2012-06-21 |
Perpendicular magnetic recording medium and system having a magnetic recording layer with a perpendicular recording layer, a magnetic coupling layer, and a writing assist layer
Grant 8,000,060 - Zhang , et al. August 16, 2 | 2011-08-16 |
Perpendicular Magnetic Recording Medium, Manufacturing Process Of The Same, And Magnetic Recording/reproducing Apparatus Using The Same
App 20110151144 - Arai; Reiko ; et al. | 2011-06-23 |
Magnetic Recording Medium Using Layers Having Higher- And Lower-hk Anisotropic Magnetic Fields
App 20110122525 - Nemoto; Hiroaki ; et al. | 2011-05-26 |
Perpendicular Magnetic Recording Medium, Manufacturing Process Of The Same, And Magnetic Recording/reproducing Apparatus Using The Same
App 20110032638 - Arai; Reiko ; et al. | 2011-02-10 |
Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same
Grant 7,875,371 - Arai , et al. January 25, 2 | 2011-01-25 |
Perpendicular Magnetic Recording Medium (pmrm) And Magnetic Storage Device Using The Same
App 20110002064 - Nakagawa; Hiroyuki ; et al. | 2011-01-06 |
Manufacturing process for perpendicular magnetic recording medium
Grant 7,641,774 - Honda , et al. January 5, 2 | 2010-01-05 |
Perpendicular magnetic recording medium and magnetic storage device using the same
App 20090257144 - Tamai; Ichiro ; et al. | 2009-10-15 |
Methods And Apparatus To Fabricate Soft Magnetic Film With Preferred Uniaxial Anisotropy For Perpendicular Recording
App 20090162573 - Choe; Gunn ; et al. | 2009-06-25 |
Perpendicular magnetic recording medium
App 20090023016 - Tanahashi; Kiwamu ; et al. | 2009-01-22 |
Perpendicular magnetic recording medium and hard disk drive using the same
App 20080180843 - Zhang; Zhengang ; et al. | 2008-07-31 |
Perpendicular magnetic recording medium and method for manufacturing the same
App 20080113225 - Tanahashi; Kiwamu ; et al. | 2008-05-15 |
Perpendicular magnetic recording media
Grant 7,316,852 - Tanahashi , et al. January 8, 2 | 2008-01-08 |
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus
Grant 7,217,467 - Arai , et al. May 15, 2 | 2007-05-15 |
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
Grant 7,182,974 - Takahashi , et al. February 27, 2 | 2007-02-27 |
Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic storage apparatus using the same
Grant 7,153,596 - Tanahashi , et al. December 26, 2 | 2006-12-26 |
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
Grant 7,153,546 - Tanahashi , et al. December 26, 2 | 2006-12-26 |
Perpendicular magnetic recording media and magnetic storage
Grant 7,138,195 - Tanahashi , et al. November 21, 2 | 2006-11-21 |
Magnetic recording media and magnetic recording system using the same
Grant 7,056,604 - Kanbe , et al. June 6, 2 | 2006-06-06 |
Magnetic recording media and magnetic storage apparatus using the same
Grant 7,050,253 - Kanbe , et al. May 23, 2 | 2006-05-23 |
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
Grant 7,041,393 - Tanahashi , et al. May 9, 2 | 2006-05-09 |
Manufacturing process for perpendicular magnetic recording medium
App 20060090998 - Honda; Yoshinori ; et al. | 2006-05-04 |
Method for manufacturing perpendicular magnetic recording medium
App 20060086606 - Honda; Yoshinori ; et al. | 2006-04-27 |
Method for testing or recording servo signal on perpendicular magnetic recording media
Grant 7,026,810 - Kikugawa , et al. April 11, 2 | 2006-04-11 |
Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same
App 20050244679 - Arai, Reiko ; et al. | 2005-11-03 |
Method for testing or recording servo signal on perpendicular magnetic recording media
App 20050204285 - Kikugawa, Atsushi ; et al. | 2005-09-15 |
Magnetic recording medium and a magnetic storage apparatus
Grant 6,924,048 - Kanbe , et al. August 2, 2 | 2005-08-02 |
Magnetic recording medium, magnetic recording apparatus using the same, and method and apparatus for manufacturing the magnetic recording medium
App 20050134988 - Nakamura, Atsushi ; et al. | 2005-06-23 |
Magnetic recording medium, magnetic recording apparatus using the same, and method and apparatus for manufacturing the magnetic recording medium
Grant 6,894,856 - Nakamura , et al. May 17, 2 | 2005-05-17 |
Method for testing or recording servo signal on perpendicular magnetic recording media
Grant 6,894,488 - Kikugawa , et al. May 17, 2 | 2005-05-17 |
Perpendicular magnetic recording media
App 20050042479 - Tanahashi, Kiwamu ; et al. | 2005-02-24 |
Perpendicular magnetic recording media and magnetic storage apparatus using the same
Grant 6,858,330 - Tanahashi , et al. February 22, 2 | 2005-02-22 |
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus
App 20040233565 - Arai, Reiko ; et al. | 2004-11-25 |
Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic storage apparatus using the same
App 20040234818 - Tanahashi, Kiwamu ; et al. | 2004-11-25 |
Perpendicular magnetic recording media
Grant 6,808,824 - Tanahashi , et al. October 26, 2 | 2004-10-26 |
Perpendicular magnetic recording media and magnetic storage
App 20040197607 - Tanahashi, Kiwamu ; et al. | 2004-10-07 |
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
App 20040170798 - Tanahashi, Kiwamu ; et al. | 2004-09-02 |
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
App 20040157083 - Takahashi, Yoshio ; et al. | 2004-08-12 |
Perpendicular magnetic recording media and magnetic storage apparatus using the same
Grant 6,759,148 - Tanahashi , et al. July 6, 2 | 2004-07-06 |
Magnetic recording medium, magnetic recording apparatus using the same, and method and apparatus for manufacturing the magnetic recording medium
App 20040106009 - Nakamura, Atsushi ; et al. | 2004-06-03 |
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
Grant 6,723,457 - Tanahashi , et al. April 20, 2 | 2004-04-20 |
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
Grant 6,709,768 - Takahashi , et al. March 23, 2 | 2004-03-23 |
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
App 20040009375 - Tanahashi, Kiwamu ; et al. | 2004-01-15 |
Magnetic recording media and magnetic storage apparatus using the same
App 20030218834 - Kanbe, Tetsuya ; et al. | 2003-11-27 |
Magnetic recording media and magnetic recording system using the same
App 20030211364 - Kanbe, Tetsuya ; et al. | 2003-11-13 |
Magnetic recording medium and a magnetic storage apparatus
App 20030203239 - Kanbe, Tetsuya ; et al. | 2003-10-30 |
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
Grant 6,605,374 - Kanbe , et al. August 12, 2 | 2003-08-12 |
Magnetic recording medium, producing method of the same magnetic recording system
App 20030118871 - Hosoe, Yuzuru ; et al. | 2003-06-26 |
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
App 20030099866 - Takahashi, Yoshio ; et al. | 2003-05-29 |
Perpendicular magnetic recording media
App 20030099868 - Tanahashi, Kiwamu ; et al. | 2003-05-29 |
Method for testing or recording servo signal on perpendicular magnetic recording media
App 20030053235 - Kikugawa, Atsushi ; et al. | 2003-03-20 |
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
App 20020197514 - Tanahashi, Kiwamu ; et al. | 2002-12-26 |
Magnetic recording media and magnetic recording system using the same
App 20020150796 - Kanbe, Tetsuya ; et al. | 2002-10-17 |
Perpendicular magnetic recording media and magnetic storage apparatus using the same
App 20020122958 - Tanahashi, Kiwamu ; et al. | 2002-09-05 |
Magnetic recording media and magnetic recording system using the same
Grant 6,403,240 - Kanbe , et al. June 11, 2 | 2002-06-11 |
Perpendicular magnetic recording media and magnetic storage apparatus using the same
App 20020048693 - Tanahashi, Kiwamu ; et al. | 2002-04-25 |
Magnetic recording medium and magnetic recording apparatus
App 20020018920 - Yamamoto, Tomoo ; et al. | 2002-02-14 |
Magnetic recording media and magnetic storage apparatus using the same
App 20010024743 - Kanbe, Tetsuya ; et al. | 2001-09-27 |
Magnetic recording media
Grant 6,221,508 - Kanbe , et al. April 24, 2 | 2001-04-24 |
Magnetic recording media and magnetic recording system using the same
Grant 6,057,021 - Ishikawa , et al. May 2, 2 | 2000-05-02 |
Longitudal magnetic recording medium having a multi-layered underlayer and magnetic storage apparatus using such magnetic recording medium
Grant 5,922,456 - Tanahashi , et al. July 13, 1 | 1999-07-13 |
Magnetic recording media and magnetic recording system using the same
Grant 5,750,230 - Ishikawa , et al. May 12, 1 | 1998-05-12 |
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