Inventor
URAIRI KENICHIRO
JP6 patents
Patents
6 patentsUS5703856ADec 30, 1997
Optical head and optical data recording and reproducing apparatus having the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD136 citations98
US5754512AMay 19, 1998
Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US5912868AJun 15, 1999
Optical head for reproducing data from first and second optical disks
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US5920537AJul 6, 1999
Correction element of lower light intensity around an optical axis of an optical head with a plurality of focal points
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US6747921B2Jun 8, 2004
Apparatus for driving an objective lens utilizing flexible arms and pivotability mechanisms
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72
US5416640AMay 16, 1995
Objective actuator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51