Inventor
KANOU YASUYUKI
JP16 patents
Patents
16 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
US6574182B1Jun 3, 2003
Optical pickup compatible with a plurality of types of optical disks having different thicknesses
SANYO ELECTRIC CO20 citations92
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
US5856965AJan 5, 1999
Optical disc readout apparatus for different types of optical discs
SANYO ELECTRIC CO36 citations92
US5787061AJul 28, 1998
Optical disc recording reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO40 citations92
US6137764AOct 24, 2000
Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO12 citations82
US7463560B2Dec 9, 2008
Optical disc device
SANYO ELECTRIC CO7 citations73
US6160783ADec 12, 2000
Optical pick-up device
SANYO ELECTRIC CO9 citations73
US6025866AFeb 15, 2000
Superresolution optical pickup apparatus
SANYO ELECTRIC CO9 citations73
US6122242ASep 19, 2000
Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
SANYO ELECTRIC CO2 citations63
US7359293B2Apr 15, 2008
Optical pickup device
SANYO ELECTRIC CO4 citations59