Inventor

WACHI MIKA

JP3 patents

Patents

3 patents

US7613096B2Nov 3, 2009

Converging optical element and optical pickup apparatus

KONICA MINOLTA OPTO INC2 citations52

US7697392B2Apr 13, 2010

Optical pickup apparatus and optical information recording and/or reproducing apparatus

KONICA MINOLTA OPTO INC0 citations38

US7369480B2May 6, 2008

Optical pickup device and optical element

KONICA MINOLTA OPTO INC0 citations36