Inventor
HASHIZUKA YOSHIHIRO
JP7 patents
Patents
7 patentsUS6560173B2May 6, 2003
Servo control apparatus for optical disc player
PIONEER CORP17 citations83
US6777657B2Aug 17, 2004
Focusing controller for focus jump control between recording layers of multilayer disk
PIONEER CORP13 citations81
US6952387B2Oct 4, 2005
Optical disk playing apparatus and method for discriminating optical disk
PIONEER CORP7 citations73
US6879554B2Apr 12, 2005
Disc player capable of reproducing a partially recorded disc
PIONEER CORP4 citations61
US6646962B2Nov 11, 2003
Apparatus for detecting dropout, an error signal extracting unit, and unit for identifying type of dropout in an optical pickup
PIONEER CORP5 citations61
US6545956B2Apr 8, 2003
Disc player and focus search control method
PIONEER CORP5 citations60
US6600705B2Jul 29, 2003
Method of and apparatus for setting servo adjustment value, reproducing information and recording information under servo control using servo adjustment value
PIONEER CORP1 citations51