Inventor
KASHIWAKURA AKIRA
JP3 patents
Patents
3 patentsUS7033659B2Apr 25, 2006
Optical information recording medium and method of recording and reproducing information on and from optical information recording medium
HITACHI MAXELL4 citations60
US7060338B2Jun 13, 2006
Phase-change optical recording medium
HITACHI MAXELL3 citations58
US5590097ADec 31, 1996
Magnetooptic recording medium
HITACHI MAXELL3 citations52