Inventor
TERASAKI HITOSHI
JP10 patents
Patents
10 patentsUS5477527ADec 19, 1995
High density optical disc and optical disc player
SANYO ELECTRIC CO52 citations95
US5914926AJun 22, 1999
Optical recording medium for checking compatibility of an optical pickup device and method of checking an optical pickup device using the same
SANYO ELECTRIC CO35 citations92
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
US7423735B2Sep 9, 2008
Beam irradiation apparatus
SANYO ELECTRIC CO3 citations62
US7351944B2Apr 1, 2008
Beam irradiation device
SANYO ELECTRIC CO4 citations62
US6009072ADec 28, 1999
High density optical disc player
SANYO ELECTRIC CO5 citations62