Inventor
NAGAOKA JUNJI
JP9 patents
Patents
9 patentsUS6618343B1Sep 9, 2003
Optical information processor and optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US6888787B2May 3, 2005
Optical information processor and optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations73
US6704254B1Mar 9, 2004
Optical disk device, control method of optical system, medium, and information aggregate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US7196991B2Mar 27, 2007
Optical disk apparatus, method for calculation of amount of lens shift, program and medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US6920101B2Jul 19, 2005
Optical information processor and optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6819647B2Nov 16, 2004
Optical information processor and optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6930972B2Aug 16, 2005
Optical information processor and optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US7330418B2Feb 12, 2008
Optical disk with plural signal mark positions in a direction substantially perpendicular to tracks
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51
US6909685B2Jun 21, 2005
Optical disk device having light converging means which marks plural signal mark positions in a direction substantially perpendicular to tracks
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51