Inventor
MATSUURA MICHIO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “MATSUURA MICHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
28 patentsUS6510111B2Jan 21, 2003
Method and apparatus for aberration correction
FUJITSU LTD54 citations96
US5892752AApr 6, 1999
Optical recording medium and reproducing method and apparatus having offset preformat data
FUJITSU LTD54 citations96
US5978332ANov 2, 1999
Optical recording medium, tilt detector, optical disk drive, tilt detecting method, and tilt correcting method
FUJITSU LTD33 citations92
US5796693AAug 18, 1998
Data reproduction apparatus and data reproduction method
FUJITSU LTD28 citations92
US5740154AApr 14, 1998
Magnetooptical record medium having adjacent header signals
FUJITSU LTD18 citations92
US6600698B1Jul 29, 2003
Method for recording a plural rows of record marks in one track in magneto-optical recording device
FUJITSU LTD6 citations74
US6246530B1Jun 12, 2001
Lens assembly and apparatus using the same
FUJITSU LTD10 citations74
US6144628ANov 7, 2000
Information reproducing method using varying laser power for magneto-optical recording medium and magneto-optical reproducing device
FUJITSU LTD13 citations74
US5812009ASep 22, 1998
Boost type equalizing circuit
FUJITSU LTD10 citations74
US5872754AFeb 16, 1999
Data reproduction apparatus
FUJITSU LTD8 citations73
US5812503ASep 22, 1998
Positioning control system having an optical beam and a servo-error signal generating circuit for accurately irradiating a desired position
FUJITSU LTD5 citations72
US5636191AJun 3, 1997
Positioning control system utilizing optical beam having servo-error signal generating circuit
FUJITSU LTD5 citations72
US7469571B2Dec 30, 2008
Data storage device
FUJITSU LTD5 citations63
US7272839B2Sep 18, 2007
Storage medium library and storage medium magazine
FUJITSU LTD2 citations63
US7035177B2Apr 25, 2006
Method and apparatus for aberration correction
FUJITSU LTD3 citations63
US6826129B1Nov 30, 2004
Method and apparatus for recording magnetized mark utilizing magnetic field generated by adjacent magnetized mark to reduce energy level for generating pulsed magnetic field
FUJITSU LTD4 citations63
US5566143AOct 15, 1996
Positioning control system utilizing optical beam
FUJITSU LTD3 citations61
US7359291B2Apr 15, 2008
Magneto-optical storage medium capable of recording plural rows of marks on each track
FUJITSU LTD0 citations52
US6879557B2Apr 12, 2005
Optical recording medium having pits disposed in a matrix layout and apparatus for processing thereof
FUJITSU LTD1 citations52
US6856582B2Feb 15, 2005
Method for driving magnetic head and driving circuit of magneto-optical disk drive
FUJITSU LTD1 citations52
US6801479B2Oct 5, 2004
Method for recording plural rows of record marks in one track in magneto-optical recording device
FUJITSU LTD0 citations52
US6757225B2Jun 29, 2004
Method of performing data-recording or data-reading with optical storage medium
FUJITSU LTD0 citations52
US6570725B1May 27, 2003
Drive circuit for magnetic head and winding configuration of magnetic head suitable for the drive circuit
FUJITSU LTD0 citations52
US5930212AJul 27, 1999
Positioning control system including a servo-error signal generating circuit
FUJITSU LTD0 citations51
US5909415AJun 1, 1999
Positioning control system which generates a servo-error signal in accordance with a difference between detection currents
FUJITSU LTD0 citations51
US7559005B2Jul 7, 2009
Method and device for storing data
FUJITSU LTD0 citations42
US7518821B2Apr 14, 2009
Hard disk drive
FUJITSU LTD0 citations42
US7161892B2Jan 9, 2007
Optical recording medium and optical information processor
FUJITSU LTD0 citations42