Inventor
MORITANI KOICHI
JP3 patents
Patents
3 patentsUS6411591B1Jun 25, 2002
Optical recording medium and optical memory device
HITACHI LTD42 citations92
US6340555B1Jan 22, 2002
Information recording medium and information recording and reproducing apparatus using the same
HITACHI LTD17 citations92
US6132932AOct 17, 2000
Information recording medium and information recording and reproducing apparatus using the same
HITACHI LTD18 citations92