Inventor
KUMAKURA JUNZO
JP8 patents
Patents
8 patentsUS5384760AJan 24, 1995
Disk changer player with stocker between loading/unloading position and reproducing unit
SONY CORP33 citations90
US6430143B1Aug 6, 2002
Optical pickup device and optical disc recording and/or reproducing apparatus
SONY CORP26 citations88
US6118618ASep 12, 2000
Disk cartridge loading device for recording and/or reproducing apparatus
SONY CORP11 citations71
US5301177AApr 5, 1994
Device for simultaneously loading two different kinds of recording media
SONY CORP17 citations71
US6396794B1May 28, 2002
Disc recording and/or reproducing devices with disc exchanging function
SONY CORP11 citations68
US7012868B2Mar 14, 2006
Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-up
SONY CORP1 citations61
US7006410B2Feb 28, 2006
Optical disk for adjusting optical pickup, method for adjusting optical pickup, and device for adjusting optical pickup
SONY CORP3 citations61
US7020059B2Mar 28, 2006
Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-up
SONY CORP0 citations50