| Patent | Date |
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Perpendicular magnetic recording medium
Grant 10,276,192 - Hirotsune , et al. | 2019-04-30 |
Perpendicular magnetic recording media having novel magnetic under-layer structure
Grant 9,472,228 - Hirotsune , et al. October 18, 2 | 2016-10-18 |
Perpendicular Magnetic Recording Medium And Magnetic Storage Apparatus Using The Same
App 20160118071 - Hirotsune; Akemi ; et al. | 2016-04-28 |
Perpendicular magnetic recording media having novel seed layer
Grant 9,117,477 - Hirotsune , et al. August 25, 2 | 2015-08-25 |
Perpendicular Magnetic Recording Medium
App 20150017480 - Hirotsune; Akemi ; et al. | 2015-01-15 |
Perpendicular Magnetic Recording Media Having Novel Magnetic Under-layer Structure
App 20140355156 - Hirotsune; Akemi ; et al. | 2014-12-04 |
Perpendicular Magnetic Recording Media Having Novel Seed Layer
App 20140334039 - Hirotsune; Akemi ; et al. | 2014-11-13 |
Perpendicular magnetic recording medium and magnetic storage apparatus using the same
Grant 8,703,307 - Hirotsune , 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 |
Multilayer optical disc for easy positioning of a focused beam
Grant 8,514,684 - Ishikawa , et al. August 20, 2 | 2013-08-20 |
Multilayer optical recording medium having three or more recording layers with reduced interlayer crosstalk
Grant 8,315,147 - Hirotsune , et al. November 20, 2 | 2012-11-20 |
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 (pmrm) And Systems Thereof
App 20120099220 - Tamai; Ichiro ; et al. | 2012-04-26 |
Perpendicular Magnetic Recording Medium And Magnetic Storage Apparatus Using The Same
App 20120087034 - Hirotsune; Akemi ; et al. | 2012-04-12 |
Information storage device and storage media
Grant 8,134,905 - Watanabe , et al. March 13, 2 | 2012-03-13 |
Perpendicular Magnetic Recording Medium (pmrm) And Magnetic Storage Systems Using The Same
App 20120044595 - Yahisa; Yotsuo ; et al. | 2012-02-23 |
Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium
Grant 8,089,841 - Hirotsune , et al. January 3, 2 | 2012-01-03 |
Multilayer Optical Disc
App 20110299374 - ISHIKAWA; Yoshinori ; et al. | 2011-12-08 |
Information memory device and memory medium
Grant 8,040,712 - Watanabe , et al. October 18, 2 | 2011-10-18 |
Optical disk and recording method of visible figures into optical disk
Grant 7,948,861 - Hirotsune May 24, 2 | 2011-05-24 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
Grant 7,911,930 - Hirotsune , et al. March 22, 2 | 2011-03-22 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,911,910 - Miyamoto , et al. March 22, 2 | 2011-03-22 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,907,491 - Miyamoto , et al. March 15, 2 | 2011-03-15 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,907,490 - Miyamoto , et al. March 15, 2 | 2011-03-15 |
Semiconductor Device
App 20110049454 - Terao; Motoyasu ; et al. | 2011-03-03 |
Optical information recording medium, and information recording method and information reproducing method using the same
Grant 7,876,667 - Shintani , et al. January 25, 2 | 2011-01-25 |
Information recording medium storing system and storing case
Grant 7,852,740 - Anzai , et al. December 14, 2 | 2010-12-14 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,852,727 - Miyamoto , et al. December 14, 2 | 2010-12-14 |
Information recording and retrieval method, and its apparatus
Grant 7,821,884 - Maeda , et al. October 26, 2 | 2010-10-26 |
Multilayer Optical Disc
App 20100226239 - Ishikawa; Yoshinori ; et al. | 2010-09-09 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,684,301 - Miyamoto , et al. March 23, 2 | 2010-03-23 |
Recording Method, Recording Medium, And Recording System
App 20090285071 - HIROTSUNE; Akemi ; et al. | 2009-11-19 |
Information Recording Media, A Method For Recording/Reproducing Information, An Apparatus For Recording/Reproducing Information
App 20090279412 - Hirotsune; Akemi ; et al. | 2009-11-12 |
Multilayer Optical Recording Medium
App 20090257341 - HIROTSUNE; Akemi ; et al. | 2009-10-15 |
Information recording medium, information reproduction method and information recording method
Grant 7,601,412 - Hirotsune , et al. October 13, 2 | 2009-10-13 |
Recording method, recording medium, and recording system
Grant 7,584,150 - Hirotsune , et al. September 1, 2 | 2009-09-01 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
Grant 7,570,575 - Hirotsune , et al. August 4, 2 | 2009-08-04 |
Information memory device and memory medium
App 20090154304 - Watanabe; Takao ; et al. | 2009-06-18 |
Information Storage Device And Storage Media
App 20090116363 - WATANABE; Takao ; et al. | 2009-05-07 |
Information recording method and apparatus with suppressed mark edge jitters
App 20090040901 - Miyamoto; Makoto ; et al. | 2009-02-12 |
Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium
App 20090040897 - Hirotsune; Akemi ; et al. | 2009-02-12 |
Information recording method and apparatus with suppressed mark edge jitters
App 20090034393 - Miyamoto; Makoto ; et al. | 2009-02-05 |
Information recording method and apparatus with suppressed mark edge jitters
App 20080310264 - Miyamoto; Makoto ; et al. | 2008-12-18 |
Information recording method and apparatus with suppressed mark edge jitters
App 20080310270 - Miyamoto; Makoto ; et al. | 2008-12-18 |
Information Recording And Retrieval Method, And Its Apparatus
App 20080219109 - Maeda; Takeshi ; et al. | 2008-09-11 |
Information recording method and apparatus with suppressed mark edge jitters
App 20080212454 - Miyamoto; Makoto ; et al. | 2008-09-04 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,417,933 - Miyamoto , et al. August 26, 2 | 2008-08-26 |
Information recording method and apparatus with suppressed mark edge jitters
App 20080192617 - Miyamoto; Makoto ; et al. | 2008-08-14 |
Information Recording Media, A Method For Recording/Reproducing Information, An Apparatus For Recording/Reproducing Information
App 20080159100 - HIROTSUNE; Akemi ; et al. | 2008-07-03 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
Grant 7,391,710 - Hirotsune , et al. June 24, 2 | 2008-06-24 |
Information reproduction apparatus and information reproduction method
Grant 7,349,321 - Kudo , et al. March 25, 2 | 2008-03-25 |
Disc Recording And Reproducing Apparatus
App 20080037405 - Fujita; Yuji ; et al. | 2008-02-14 |
Information Recording Medium Storing System and Storing Case
App 20070284271 - ANZAI; YUMIKO ; et al. | 2007-12-13 |
Information Recording Drive, Information Recording Media and Detection Method of Deterioration Situation of Information Recording Media
App 20070279479 - Hirotsune; Akemi ; et al. | 2007-12-06 |
Multi-layered optical recording medium, information recording method, and information reproduction method
App 20070247999 - Mukoh; Masaki ; et al. | 2007-10-25 |
Optical Disk And Recording Method Of Visible Figures Into Optical Disk
App 20070247513 - Hirotsune; Akemi | 2007-10-25 |
Optical recording medium, evaluation method therefor, information reproduction method, and information recording method
App 20070189147 - Miyamoto; Harukazu ; et al. | 2007-08-16 |
Information recording apparatus
App 20070121428 - Fujita; Yuji ; et al. | 2007-05-31 |
Information recording/reproducing method and apparatus for same
App 20070086316 - Hirotsune; Akemi ; et al. | 2007-04-19 |
Imformation recording medium and method for manufacturing the same
App 20070058518 - Hirotsune; Akemi ; et al. | 2007-03-15 |
Device and manufacturing method thereof
App 20070009291 - Anzai; Yumiko ; et al. | 2007-01-11 |
Information recording medium, information reproduction method and information recording method
App 20070009702 - Hirotsune; Akemi ; et al. | 2007-01-11 |
Optical information recording medium, and information recording method and information reproducing method using the same
App 20060262711 - Shintani; Toshimichi ; et al. | 2006-11-23 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
App 20060209648 - Hirotsune; Akemi ; et al. | 2006-09-21 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
Grant 7,072,283 - Hirotsune , et al. July 4, 2 | 2006-07-04 |
Method for reproducing information data from a recording medium having dummy data shifted at random
Grant 7,068,587 - Miyauchi , et al. June 27, 2 | 2006-06-27 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,042,823 - Miyamoto , et al. May 9, 2 | 2006-05-09 |
Information recording media, manufacturing technique and information recording method
Grant 7,041,430 - Miyamoto , et al. May 9, 2 | 2006-05-09 |
Optical disk
App 20060087959 - Adachi; Kazuyoshi ; et al. | 2006-04-27 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 7,012,871 - Miyamoto , et al. March 14, 2 | 2006-03-14 |
Information reproduction method and information recording medium
App 20060040088 - Hirotsune; Akemi ; et al. | 2006-02-23 |
Information recording medium and manufacturing process
App 20050276211 - Hirotsune, Akemi ; et al. | 2005-12-15 |
Information recording medium, information recording method and information recording apparatus
App 20050265196 - Miyauchi, Yasushi ; et al. | 2005-12-01 |
Information recording method and apparatus with suppressed mark edge jitters
App 20050259555 - Miyamoto, Makoto ; et al. | 2005-11-24 |
Information reproduction apparatus and information reproduction method
App 20050259551 - Kudo, Hiromi ; et al. | 2005-11-24 |
Information recording method and apparatus with suppressed mark edge jitters
App 20050237890 - Miyamoto, Makoto ; et al. | 2005-10-27 |
Information recording medium, information recording method and information recording apparatus
Grant 6,956,806 - Miyauchi , et al. October 18, 2 | 2005-10-18 |
Information recording medium and information recording device
Grant 6,954,941 - Miyamoto , et al. October 11, 2 | 2005-10-11 |
Information recording method and apparatus with suppressed mark edge jitters
App 20050088943 - Miyamoto, Makoto ; et al. | 2005-04-28 |
Information recording medium
App 20050064334 - Hirotsune, Akemi ; et al. | 2005-03-24 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
Grant 6,856,589 - Hirotsune , et al. February 15, 2 | 2005-02-15 |
Information recording medium with SiO2-In2O3-SnO2-ZnS protective layer
Grant 6,854,126 - Hirotsune , et al. February 8, 2 | 2005-02-08 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
App 20050018567 - Hirotsune, Akemi ; et al. | 2005-01-27 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 6,842,415 - Miyamoto , et al. January 11, 2 | 2005-01-11 |
Information recording medium
Grant 6,740,382 - Miyamoto , et al. May 25, 2 | 2004-05-25 |
Information recording method and apparatus with suppressed mark edge jitters
App 20040081052 - Miyamoto, Makoto ; et al. | 2004-04-29 |
Information recording medium and method for manufacturing an information recording medium
Grant 6,723,411 - Hirotsune , et al. April 20, 2 | 2004-04-20 |
Information recording medium and method for manufacturing information recording medium
Grant 6,703,098 - Hirotsune , et al. March 9, 2 | 2004-03-09 |
Information recording medium, information recording method and information recording apparatus
App 20040042380 - Miyauchi, Yasushi ; et al. | 2004-03-04 |
Information recording medium and information recording device
App 20040042381 - Miyamoto, Makoto ; et al. | 2004-03-04 |
Information recording medium
App 20040027982 - Hirotsune, Akemi ; et al. | 2004-02-12 |
Information recording medium, information recording method and information recording apparatus
Grant 6,650,608 - Miyauchi , et al. November 18, 2 | 2003-11-18 |
Information recording medium and information recording device
Grant 6,636,477 - Miyamoto , et al. October 21, 2 | 2003-10-21 |
Information recording media, manufacturing technique and information recording method
App 20030174610 - Miyamoto, Makoto ; et al. | 2003-09-18 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 6,608,806 - Miyamoto , et al. August 19, 2 | 2003-08-19 |
Information recording medium and method for manufacturing an information recording medium
App 20030124387 - Hirotsune, Akemi ; et al. | 2003-07-03 |
Information recording medium, information recording method and information recording apparatus
App 20030107969 - Miyauchi, Yasushi ; et al. | 2003-06-12 |
Recording method, recording medium, and recording system
App 20030072236 - Hirotsune, Akemi ; et al. | 2003-04-17 |
Information recording medium
App 20030068461 - Miyamoto, Makoto ; et al. | 2003-04-10 |
Information recording medium and method for manufacturing information recording medium
App 20030064211 - Hirotsune, Akemi ; et al. | 2003-04-03 |
Optical disk, optical disk apparatus, and method for writing figures
Grant 6,532,034 - Hirotsune , et al. March 11, 2 | 2003-03-11 |
Information recording method and apparatus with suppressed mark edge jitters
App 20030039192 - Miyamoto, Makoto ; et al. | 2003-02-27 |
Optical Disk, Optical Disk Apparatus, And Method For Writing Figures
App 20030001943 - Hirotsune, Akemi ; et al. | 2003-01-02 |
Information recording medium, information recording method and information recording apparatus
App 20020101810 - Miyauchi, Yasushi ; et al. | 2002-08-01 |
Information recording medium, information recording method and information recording apparatus
App 20020101809 - Miyauchi, Yasushi ; et al. | 2002-08-01 |
Information recording medium, information recording method and information recording apparatus
App 20020097655 - Miyauchi, Yasushi ; et al. | 2002-07-25 |
Information recording medium, information recording method and information recording apparatus
App 20020097654 - Miyauchi, Yasushi ; et al. | 2002-07-25 |
Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information
App 20020060978 - Hirotsune, Akemi ; et al. | 2002-05-23 |
Information recording method and apparatus with suppressed mark edge jitters
App 20020054556 - Miyamoto, Makoto ; et al. | 2002-05-09 |
Information recording medium and information recording and reproducing apparatus using the same
App 20020015914 - Miyamoto, Makoto ; et al. | 2002-02-07 |
Information recording medium, information recording method and information recording apparatus
App 20020012310 - Miyauchi, Yasushi ; et al. | 2002-01-31 |
Information recording method and apparatus with suppressed mark edge jitters
App 20010043538 - Miyamoto, Makoto ; et al. | 2001-11-22 |
Information recording medium
App 20010023006 - Miyamoto, Makoto ; et al. | 2001-09-20 |
Information recording method and apparatus with suppressed mark edge jitters
Grant 6,236,635 - Miyamoto , et al. May 22, 2 | 2001-05-22 |
Information recording medium
Grant 6,231,945 - Miyamoto , et al. May 15, 2 | 2001-05-15 |
Information recording medium and information memory apparatus
Grant 5,958,649 - Hirotsune , et al. September 28, 1 | 1999-09-28 |
Information recording medium
Grant 5,912,104 - Hirotsune , et al. June 15, 1 | 1999-06-15 |
Information recording medium and information memory storage
Grant 5,882,759 - Hirotsune , et al. March 16, 1 | 1999-03-16 |
Information recording medium, information recording method and information recording apparatus
Grant 5,878,021 - Miyauchi , et al. March 2, 1 | 1999-03-02 |
Optical recording medium and information processing apparatus used therefor
Grant 5,846,625 - Terao , et al. December 8, 1 | 1998-12-08 |
Optical recording medium having a dummy area at leading and/or trailing positions of recording area
Grant 5,703,867 - Miyauchi , et al. December 30, 1 | 1997-12-30 |
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