Inventor
ICHIURA SHUICHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “ICHIURA SHUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
30 patentsUS6552990B1Apr 22, 2003
Optical head for two different disk thicknesses with a light beam diameter control device
SANYO ELECTRIC CO66 citations96
US6201777B1Mar 13, 2001
Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefrom
SANYO ELECTRIC CO44 citations96
US5917791AJun 29, 1999
Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefrom
SANYO ELECTRIC CO71 citations96
US6370093B1Apr 9, 2002
Optical disc device
SANYO ELECTRIC CO57 citations95
US5477527ADec 19, 1995
High density optical disc and optical disc player
SANYO ELECTRIC CO52 citations95
US6321028B1Nov 20, 2001
Optical disk recording/reproduction apparatus for recording/reproducing information to/from optical disk of different standards
SANYO ELECTRIC CO21 citations92
US6181668B1Jan 30, 2001
Optical pickup device and wavelength selective diffraction grating
SANYO ELECTRIC CO26 citations92
US6167019ADec 26, 2000
Optical Disc cd recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO19 citations92
US6049518AApr 11, 2000
Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO19 citations92
US5787061AJul 28, 1998
Optical disc recording reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO40 citations92
US5777970AJul 7, 1998
Optical disk readout apparatus
SANYO ELECTRIC CO35 citations92
US5734780AMar 31, 1998
Recording/reproducing device which receives an FM multiplexed signal comprising a subcarrier or a darc signal and outputs traffic information after detecting an intermission
SANYO ELECTRIC CO32 citations86
US6137764AOct 24, 2000
Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO12 citations82
US6480444B2Nov 12, 2002
Optical disk device
SANYO ELECTRIC CO12 citations81
US5896367AApr 20, 1999
High density optical disc and optical disc player
SANYO ELECTRIC CO16 citations81
US6243354B1Jun 5, 2001
Optical disk having high recording density
SANYO ELECTRIC CO6 citations73
US5838657ANov 17, 1998
High density optical disc and optical disc player
SANYO ELECTRIC CO9 citations73
US5689495ANov 18, 1997
High density optical disc and optical disc player
SANYO ELECTRIC CO9 citations73
US5659534AAug 19, 1997
Apparatus for reproducing optical information contained disks of various recording densities
SANYO ELECTRIC CO10 citations73
US7605909B2Oct 20, 2009
Detection device for detecting conditions at a target position
SANYO ELECTRIC CO2 citations63
US7570346B2Aug 4, 2009
Detection device
SANYO ELECTRIC CO5 citations63
US7566861B2Jul 28, 2009
Detection device controlled by driving speed and driving direction
SANYO ELECTRIC CO2 citations63
US6122242ASep 19, 2000
Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO2 citations63
US5708635AJan 13, 1998
Ultra-resolving optical pickup device having an optical detector receiving an unfiltered reflected beam
SANYO ELECTRIC CO4 citations63
US5586095ADec 17, 1996
Ultra-resolving optical pickup device having an optical detector receiving an unfiltered reflected beam
SANYO ELECTRIC CO5 citations63
US7351944B2Apr 1, 2008
Beam irradiation device
SANYO ELECTRIC CO4 citations62
US6009072ADec 28, 1999
High density optical disc player
SANYO ELECTRIC CO5 citations62
US6477122B2Nov 5, 2002
Optical disk device
SANYO ELECTRIC CO0 citations51
US6466527B1Oct 15, 2002
Optical disk device
SANYO ELECTRIC CO0 citations51
US6459662B1Oct 1, 2002
Optical disk device
SANYO ELECTRIC CO0 citations51