Optical pickup device having a movable-side member driven...

Optical pickup device having a structure providing efficient...

Optical pickup device having fixed and movable optical systems

Optical pickup device having heat radiation means and...

Optical pickup device having heat radiation means and...

Optical pickup device including diffraction grating

Optical pickup device keeping coincident the optical axes of the

Optical pickup device minimizing an undesirable astigmatism

Optical pickup device minimizing an undesirable astigmatism

Optical pickup device of micro optical disc drive

Optical pickup device that corrects the spot shape of...

Optical pickup device that corrects the spot shape of...

Optical pickup device with dual grating element

Optical pickup device with focus error detecting optical...

Optical pickup device with movable objective lens and stationary

Optical pickup device with three beam tracking servo control usi

Optical pickup device, aberration correcting method and...

Optical pickup device, information reproduction/recording...

Optical pickup device, optical disc apparatus and method of...

Optical pickup device, optical disk recording/reproducing appara