Inventor
SUMI SATOSHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SUMI SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
24 patentsUS6621772B2Sep 16, 2003
Record medium and reproducing apparatus of the same for detecting an offset correction
SANYO ELECTRIC CO93 citations97
US6240056B1May 29, 2001
Information recording and reproduction apparatus using a pulsed laser light
SANYO ELECTRIC CO36 citations96
US6538968B1Mar 25, 2003
Information recording/reproducing apparatus
SANYO ELECTRIC CO37 citations92
US6385158B1May 7, 2002
Optical pickup device having compatibility with tracking system, and optical disk recording/reproduction apparatus using the same
SANYO ELECTRIC CO27 citations92
US6324138B1Nov 27, 2001
Digital disk recording and reproduction apparatus
SANYO ELECTRIC CO21 citations92
US6198710B1Mar 6, 2001
Digital recording method, digital disk, digital disk recording device, and digital disk reproducing device
SANYO ELECTRIC CO36 citations92
US5796683AAug 18, 1998
Magneto-optical recording device having a controllable polarizing filter
SANYO ELECTRIC CO34 citations92
US6400653B1Jun 4, 2002
Information recording/reproducing apparatus to record/reproduce information on a recording medium recorded with an address mark
SANYO ELECTRIC CO20 citations84
US6243326B1Jun 5, 2001
Recording and reproduction device for a magneto-optic recording medium capable of recording information according to optical super-resolution
SANYO ELECTRIC CO19 citations84
US6205092B1Mar 20, 2001
Magneto-optical recording and reproducing apparatus and method
SANYO ELECTRIC CO18 citations84
US6327232B2Dec 4, 2001
Information recording and reproduction apparatus carrying out recording and reproduction of information using laser beam
SANYO ELECTRIC CO7 citations74
US6324137B2Nov 27, 2001
Information recording and reproduction apparatus carrying out recording and reproduction of information using laser beam
SANYO ELECTRIC CO5 citations74
US6314070B1Nov 6, 2001
Information recording and reproduction apparatus carrying out recording and reproduction of information using laser beam
SANYO ELECTRIC CO4 citations74
US5968678AOct 19, 1999
Magneto-optical recording medium and manufacturing method thereof
SANYO ELECTRIC CO12 citations73
US5327414AJul 5, 1994
Signal recording method for optical disk and apparatus therefor
SANYO ELECTRIC CO9 citations73
US4993011AFeb 12, 1991
Optical recording apparatus with simultaneous erasing and recording
SANYO ELECTRIC CO14 citations73
US6301199B1Oct 9, 2001
Magneto-optical recording medium and recording/reproducing apparatus therefor in which recorded magnetic domains are transferred from the recording layer to the reproducing layer
SANYO ELECTRIC CO6 citations63
US7729217B2Jun 1, 2010
Optical disc device for recording and reproducing information on and from a write-once-type disc using laser light
SANYO ELECTRIC CO2 citations62
US7604878B2Oct 20, 2009
Magneto-optical recording medium and layer structure
SANYO ELECTRIC CO2 citations62
US7327651B2Feb 5, 2008
Optical disc device
SANYO ELECTRIC CO4 citations62
US6920087B2Jul 19, 2005
Magneto-optical recording apparatus capable of adjusting the magnetic head
SANYO ELECTRIC CO2 citations57
US7719953B2May 18, 2010
Optical recording medium, optical recording method, optical reproducing method, optical recording apparatus, and optical reproducing apparatus
SANYO ELECTRIC CO0 citations52
US6847590B2Jan 25, 2005
Magneto-optical recording medium including a calibration magnetic domain recorded in a predetermined pattern in a recording layer
SANYO ELECTRIC CO0 citations52
US7428198B2Sep 23, 2008
Optical disc device
SANYO ELECTRIC CO0 citations41