Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Objective optical element for optical pickup device, optical element for optical pickup device, objective optical element unit for optical pickup device and optical pickup device
Optical recording/reproducing apparatus, optical head apparatus, optical disc drive apparatus, tracking control method for use therein, and optical disc
Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup