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Information recording medium and recording/reproducing method for the same Grant 8,526,293 - Kojima , et al. September 3, 2 | 2013-09-03 |
Optical information reproduction device, optical information recording device, optical information reproduction method, and optical information recording method Grant 8,451,699 - Narumi , et al. May 28, 2 | 2013-05-28 |
Device and method for recording and/or reproducing data onto/from information recording medium by using near-field light and information recording medium Grant 8,422,341 - Narumi , et al. April 16, 2 | 2013-04-16 |
Optical information reproducing device, optical information reproducing method and integrated circuit Grant 8,385,161 - Narumi , et al. February 26, 2 | 2013-02-26 |
Optical Information Reproduction Device, Optical Information Recording Device, Optical Information Reproduction Method, And Optical Information Recording Method App 20120314553 - Narumi; Kenji ;   et al. | 2012-12-13 |
Near-field recording head capable of directly forming light source in slider Grant 8,279,721 - Aikoh , et al. October 2, 2 | 2012-10-02 |
Optical recording/reproduction method, optical recording/reproduction device, program, and optical recording medium Grant 8,259,541 - Ito , et al. September 4, 2 | 2012-09-04 |
Optical system for compensating for coma aberration and/or spherical aberration in an optical pickup device and optical pickup device having the same Grant 8,233,372 - Tanaka , et al. July 31, 2 | 2012-07-31 |
Optical system for compensating for spherical aberration and/or coma aberration in an optical pickup device and optical pickup device having the same Grant 8,179,768 - Tanaka , et al. May 15, 2 | 2012-05-15 |
Optical information recorder/reproducer, optical information recording/reproducing method and control circuit Grant 8,130,625 - Narumi , et al. March 6, 2 | 2012-03-06 |
Optical information recording and/or reproducing apparatus, optical information recording and/or reproducing method, optical information recording medium, and solid immersion lens Grant 8,130,623 - Narumi , et al. March 6, 2 | 2012-03-06 |
Information Recording Medium And Method For Manufacturing Information Recording Medium App 20120020199 - Hisada; Kazuya ;   et al. | 2012-01-26 |
Optical Information Reproducing Device, Optical Information Reproducing Method And Integrated Circuit App 20110310719 - Narumi; Kenji ;   et al. | 2011-12-22 |
Near-field light detection element and information reproducing medium reproducing method Grant 8,050,150 - Mihara , et al. November 1, 2 | 2011-11-01 |
Optical disk device and tilt correction method for optical disk device Grant 8,040,774 - Futakuchi , et al. October 18, 2 | 2011-10-18 |
Gap controller and optical information processor Grant 7,957,232 - Futakuchi , et al. June 7, 2 | 2011-06-07 |
Optical disc device, method for activating optical disc device, and control circuit Grant 7,948,835 - Futakuchi , et al. May 24, 2 | 2011-05-24 |
Optical information apparatus with gap control system Grant 7,944,799 - Futakuchi , et al. May 17, 2 | 2011-05-17 |
Optical Information Recording And/or Reproducing Apparatus, Optical Information Recording And/or Reproducing Method, Optical Information Recording Medium, And Solid Immersion Lens App 20110069599 - Narumi; Kenji ;   et al. | 2011-03-24 |
Optical Recording/reproduction Method, Optical Recording/reproduction Device, Program, And Optical Recording Medium App 20110007613 - Ito; Eiichi ;   et al. | 2011-01-13 |
Optical Disk Device And Tilt Correction Method For Optical Disk Device App 20110002208 - Futakuchi; Ryutaro ;   et al. | 2011-01-06 |
Optical Pickup Optical System And Optical Pickup Device Having The Same App 20100278030 - Tanaka; Yasuhiro ;   et al. | 2010-11-04 |
Optical Pickup Optical System And Optical Pickup Device Having The Same App 20100254248 - Tanaka; Yasuhiro ;   et al. | 2010-10-07 |
Optical Information Recorder/reproducer, Optical Information Recording/reproducing Method And Control Circuit App 20100232264 - Narumi; Kenji ;   et al. | 2010-09-16 |
Information Recording Medium And Recording/reproducing Method For The Same App 20100220574 - Kojima; Rie ;   et al. | 2010-09-02 |
Magnetic recording medium, and manufacturing method, manufacturing apparatus, recording and reproduction method, and recording and reproduction apparatus for the same Grant 7,773,343 - Murakami , et al. August 10, 2 | 2010-08-10 |
Device And Method For Recording And/or Reproducing Data Onto/from Information Recording Medium By Using Near-field Light And Information Recording Medium App 20100118665 - Narumi; Kenji ;   et al. | 2010-05-13 |
Optical Information Device App 20090310467 - Futakuchi; Ryutaro ;   et al. | 2009-12-17 |
Optical Disc Device, Method For Activating Optical Disc Device, And Control Circuit App 20090290456 - FUTAKUCHI; Ryutaro ;   et al. | 2009-11-26 |
Near-field Optical Head, Near-field Optical Head Device, Near-field Optical Information Device And Near-field Optical Information System App 20090161499 - Aikoh; Hideki ;   et al. | 2009-06-25 |
Gap Controller And Optical Information Processor App 20090129240 - FUTAKUCHI; Ryutaro ;   et al. | 2009-05-21 |
Magnetic Recording Medium, and Manufacturing Method, Manufacturing Apparatus, Recording and Reproduction Method, and Recording and Reproduction Apparatus for the Same App 20080291573 - Murakami; Motoyoshi ;   et al. | 2008-11-27 |
Optical disc tracking control device, tracking control method, and tracking control program Grant 7,420,889 - Ishibashi , et al. September 2, 2 | 2008-09-02 |
Magnetic Recording Medium, and Manufacturing Method and Manufacturing Apparatus of the Same, Recording and Reproduction Method of Magnetic Recording Medium, and Recording and Reproduction Apparatus of the Same App 20070243417 - Murakami; Motoyoshi ;   et al. | 2007-10-18 |
Magneto-optical recording medium, method of manufacturing magneto-optical recording medium, method of recording on magneto-optical recording medium, and method of reproduction from magneto-optical recording medium Grant 7,235,313 - Murakami , et al. June 26, 2 | 2007-06-26 |
Optical disc cutting apparatus and method for manufacturing optical disc Grant 7,180,842 - Ishibashi , et al. February 20, 2 | 2007-02-20 |
Magneto-optical recording medium having a recording layer of columnar structure Grant 7,180,831 - Murakami , et al. February 20, 2 | 2007-02-20 |
Magneto-optical recording medium and method for producing the same Grant 7,126,886 - Murakami , et al. October 24, 2 | 2006-10-24 |
Recording/reproducing head and recording/reproducing apparatus incorporating the same Grant 6,982,932 - Sakakima , et al. January 3, 2 | 2006-01-03 |
Magneto-optical recording medium and method for manufacturing the same App 20050086679 - Murakami, Motoyoshi ;   et al. | 2005-04-21 |
Method of forming film on optical disk App 20040252624 - Murakami, Motoyoshi ;   et al. | 2004-12-16 |
Magneto-optical recording medium having a GDFECO readout magnetic film Grant 6,811,889 - Kudoh , et al. November 2, 2 | 2004-11-02 |
Optical disk and method of magnetically separating tracks of the optical disk Grant 6,765,847 - Birukawa , et al. July 20, 2 | 2004-07-20 |
Magneto-optical recording medium, method of manufacturing magneto-optical recording medium, method of recording on magneto-optical recording medium, and method of reproduction from magneto-optical recording medium App 20040121189 - Murakami, Motoyoshi ;   et al. | 2004-06-24 |
Magneto-optical recording medium, and method and apparatus for producing the same Grant 6,747,919 - Kawaguchi , et al. June 8, 2 | 2004-06-08 |
Magneto-optical record medium App 20040076083 - Nishikawa, Koichiro ;   et al. | 2004-04-22 |
Magnetic recording medium, method for producing the same and magnetic recording/reproducing apparatus App 20040057343 - Murakami, Motoyoshi ;   et al. | 2004-03-25 |
Recording/reproducing head and recording/reproducing apparatus incorporating the same App 20040047080 - Sakakima, Hiroshi ;   et al. | 2004-03-11 |
Optical disk with magnetic layer separated magnetically between tracks and method of magnetically separating tracks of the optical disk Grant 6,690,626 - Birukawa , et al. February 10, 2 | 2004-02-10 |
Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same Grant 6,650,598 - Sakakima , et al. November 18, 2 | 2003-11-18 |
Recording/reproducing head and recording/reproducing apparatus incorporating the same App 20030072221 - Sakakima, Hiroshi ;   et al. | 2003-04-17 |
Optical disc cutting apparatus and method for manufacturing optical disc App 20030067851 - Ishibashi, Kenzo ;   et al. | 2003-04-10 |
Magneto-optical recording medium and method for producing the same App 20030058751 - Murakami, Motoyoshi ;   et al. | 2003-03-27 |
Magneto-optical head having thickness of the core same as a track width Grant 6,504,796 - Sakakima , et al. January 7, 2 | 2003-01-07 |
Magneto-optical recording medium, and method and apparatus for producing the same App 20020196712 - Kawaguchi, Yuuko ;   et al. | 2002-12-26 |
Optical disk and method of magnetically separating tracks of the optical disk App 20020154579 - Birukawa, Masahiro ;   et al. | 2002-10-24 |
Optical disk and method of magnetically separating tracks of the optical disk App 20020154580 - Birukawa, Masahiro ;   et al. | 2002-10-24 |
Magneto-optical recording medium App 20020119348 - Kudoh, Yoshihiko ;   et al. | 2002-08-29 |
Method of reading magneto-optical recording medium Grant 6,307,819 - Birukawa , et al. October 23, 2 | 2001-10-23 |
Recording method for a magneto-optical recording medium for position adjustment of a magnetic head Grant 6,269,056 - Birukawa , et al. July 31, 2 | 2001-07-31 |
Magneto-optical recording medium and readout method of the same Grant 6,018,511 - Nishikiori , et al. January 25, 2 | 2000-01-25 |
Method for reading magnetic super resolution type magneto-optical recording medium Grant 5,986,977 - Birukawa , et al. November 16, 1 | 1999-11-16 |
Magneto-optical recording medium for magnetically induced super resolution Grant 5,864,520 - Fukamachi , et al. January 26, 1 | 1999-01-26 |
Magneto-optical recording medium and method for reading out information from the same Grant 5,814,418 - Nishikiori , et al. September 29, 1 | 1998-09-29 |
Magneto-optical recording medium for magnetically induced super resolution Grant 5,706,259 - Fukamachi , et al. January 6, 1 | 1998-01-06 |
Optical disk substrate with land planes of uniform height Grant 5,582,891 - Murakami , et al. December 10, 1 | 1996-12-10 |
Optical recording disk, and recording/reading apparatus using same Grant 5,422,874 - Birukawa , et al. June 6, 1 | 1995-06-06 |