| Patent | Date |
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Apparatus, signal-processing circuit and device for magnetic recording system
Grant 8,144,415 - Sawaguchi , et al. March 27, 2 | 2012-03-27 |
Apparatus, signal-processing circuit and device for magnetic recording system
App 20110013306 - Sawaguchi; Hideki ; et al. | 2011-01-20 |
Apparatus, signal-processing circuit and device for magnetic recording system
Grant 7,817,367 - Sawaguchi , et al. October 19, 2 | 2010-10-19 |
Method for formatting data sectors on magnetic disk, and magnetic disk drive
Grant 7,612,960 - Satoh , et al. November 3, 2 | 2009-11-03 |
Apparatus, signal-processing circuit and device for magnetic recording system
Grant 7,502,189 - Sawaguchi , et al. March 10, 2 | 2009-03-10 |
Disk drive with enhanced storage capacity increase ratio
Grant 7,486,460 - Tsuchinaga , et al. February 3, 2 | 2009-02-03 |
Apparatus, signal-processing circuit and device for magnetic recording system
App 20090021852 - Sawaguchi; Hideki ; et al. | 2009-01-22 |
Calibration of reader/writer offset in hard disk drive using shingled recording
Grant 7,440,221 - Tsuchinaga , et al. October 21, 2 | 2008-10-21 |
Information recording apparatus
Grant 7,417,821 - Tsuchinaga August 26, 2 | 2008-08-26 |
disk drive with side erase control
Grant 7,372,656 - Satoh , et al. May 13, 2 | 2008-05-13 |
Information recording apparatus
App 20070223132 - Tsuchinaga; Hiroyuki | 2007-09-27 |
Magneto-optical data recording/reproducing method
Grant 7,227,818 - Toda , et al. June 5, 2 | 2007-06-05 |
Data decoding method and circuit and information recording and reproducing apparatus using the same
Grant 7,213,195 - Sawaguchi , et al. May 1, 2 | 2007-05-01 |
Calibration of reader/writer offset in hard disk drive using shingled recording
App 20070030588 - Tsuchinaga; Hiroyuki ; et al. | 2007-02-08 |
Error correction method, error correction circuit and information-recording/reproduction apparatus
Grant 7,159,166 - Tsuchinaga January 2, 2 | 2007-01-02 |
Preamble pattern and magnetic recording system using the pattern
Grant 7,142,379 - Tsuchinaga November 28, 2 | 2006-11-28 |
Disk drive with enhanced storage capacity increase ratio
App 20060232874 - Tsuchinaga; Hiroyuki ; et al. | 2006-10-19 |
Disk drive with side erase control
App 20060232888 - Satoh; Naoki ; et al. | 2006-10-19 |
Data decoding method and circuit and information recording and reproducing apparatus using the same
App 20060156208 - Sawaguchi; Hideki ; et al. | 2006-07-13 |
Method for formatting data sectors on magnetic disk, and magnetic disk drive
App 20060114588 - Satoh; Naoki ; et al. | 2006-06-01 |
Data decoding method and circuit and information recording and reproducing apparatus using the same
Grant 7,024,617 - Sawaguchi , et al. April 4, 2 | 2006-04-04 |
Preamble pattern and magnetic recording system using the pattern
App 20050018337 - Tsuchinaga, Hiroyuki | 2005-01-27 |
Preamble pattern and magnetic recording system using the pattern
Grant 6,785,074 - Tsuchinaga August 31, 2 | 2004-08-31 |
Error correction method, error correction circuit and information-recording/reproduction apparatus
App 20040153946 - Tsuchinaga, Hiroyuki | 2004-08-05 |
Trial writing method and optical disk system using the same
Grant 6,654,325 - Minemura , et al. November 25, 2 | 2003-11-25 |
Data decoding method and circuit and information recording and reproducing apparatus using the same
App 20030151838 - Sawaguchi, Hideki ; et al. | 2003-08-14 |
Head amplifier and an optical disk device using the same
App 20030031099 - Tsuchinaga, Hiroyuki ; et al. | 2003-02-13 |
Preamble pattern and magnetic recording system using the pattern
App 20030011920 - Tsuchinaga, Hiroyuki | 2003-01-16 |
Apparatus, signal-processing circuit and device for magnetic recording system
App 20020060869 - Sawaguchi, Hideki ; et al. | 2002-05-23 |
Optical disc apparatus
App 20010043532 - Tsuchinaga, Hiroyuki ; et al. | 2001-11-22 |
Data demodulating method and optical disk device using the method
Grant 6,215,751 - Tsuchinaga April 10, 2 | 2001-04-10 |
Optical disk apparatus having optimized focus shift mechanism control
Grant 5,828,636 - Matsumoto , et al. October 27, 1 | 1998-10-27 |
Optical disk apparatus for recording information using a light intensity modulation method with a partial response detector
Grant 5,790,482 - Saga , et al. August 4, 1 | 1998-08-04 |
Optical disk apparatus and recording and reading method for an optical disk using the same
Grant 5,703,855 - Kirino , et al. December 30, 1 | 1997-12-30 |
Correcting non-linear distortions of optical information with a non-linear equalizer
Grant 5,572,503 - Satoh , et al. November 5, 1 | 1996-11-05 |
Method for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testing
Grant 5,513,165 - Ide , et al. April 30, 1 | 1996-04-30 |
Magneto-optical recording system using recording waveform having a plurality of power levels providing high recording density
Grant 5,463,600 - Kirino , et al. October 31, 1 | 1995-10-31 |
Light modulation method for forming a mark in magneto-optical recording system
Grant 5,457,666 - Toda , et al. October 10, 1 | 1995-10-10 |
Data recording/playback apparatus and signal processing method
Grant 5,448,544 - Tsuchinaga , et al. September 5, 1 | 1995-09-05 |
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