Inventor
YASUDA KATSUHIKO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “YASUDA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC CORP
7 patentsUS7539090B2May 26, 2009
Optical pick-up head, optical information apparatus, and optical information reproducing method
PANASONIC CORP4 citations74
US7652970B2Jan 26, 2010
Light information apparatus and control method of light information apparatus
PANASONIC CORP2 citations63
US7558162B2Jul 7, 2009
Optical pick-up head, optical information apparatus, and optical information reproducing method
PANASONIC CORP2 citations63
US7463561B2Dec 9, 2008
Optical pick-up head, optical information apparatus, and optical information reproducing method
PANASONIC CORP1 citations63
US7460448B2Dec 2, 2008
Optical pick-up head, optical information apparatus, and optical information reproducing method
PANASONIC CORP1 citations63
US7558170B2Jul 7, 2009
Optical pick-up head, optical information apparatus, and optical information reproducing method
PANASONIC CORP0 citations52
US7542382B2Jun 2, 2009
Optical pick-up head, optical information apparatus, and optical information reproducing method
PANASONIC CORP0 citations52
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
6 patentsUS7227819B2Jun 5, 2007
Optical pick-up head, optical information apparatus, and optical information reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations96
US6934226B2Aug 23, 2005
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US6661415B1Dec 9, 2003
Liquid crystal driver and optical head for tilt correction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US6967916B2Nov 22, 2005
Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US7065013B2Jun 20, 2006
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US7031247B2Apr 18, 2006
Liquid crystal driver and optical head for tilt correction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62