Inventor
HIROSAWA SHUICHI
JP4 patents
Patents
4 patentsUS6430143B1Aug 6, 2002
Optical pickup device and optical disc recording and/or reproducing apparatus
SONY CORP26 citations88
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