Inventor

SOMA YASUHITO

JP5 patents

Patents

5 patents

US6473373B1Oct 29, 2002

Optical disk apparatus having compensation for objective lens dislocation

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations72

US6819636B1Nov 16, 2004

Optical disc device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations60

US5805542ASep 8, 1998

Optical disk apparatus with a groove/pit area discrimination circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations59

US6925038B2Aug 2, 2005

Optical disc apparatus having compensation for objective lens dislocation, and method therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations50

US6721246B2Apr 13, 2004

Optical disk apparatus having compensation for objective lens dislocation

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations50