Inventor
NAKAGAWA KATSUJI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KATSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MAXELL
5 patentsUS6633514B1Oct 14, 2003
Magneto-optical reproducing method using a plural of different reproducing beams
HITACHI MAXELL25 citations92
US5923625AJul 13, 1999
Magneto-optical recording medium and method for recording and reproduction thereon
HITACHI MAXELL17 citations90
US6388954B1May 14, 2002
Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same
HITACHI MAXELL18 citations83
US6904002B2Jun 7, 2005
Magneto-optical reproducing method using a plurality of different reproducing beams
HITACHI MAXELL3 citations62
US7113453B1Sep 26, 2006
Method for recording and reproduction on a magneto-optical recording medium
HITACHI MAXELL3 citations60