Inventor
OHTSUKA MASAOKI
JP6 patents
Patents
6 patentsUS5590096ADec 31, 1996
Rewritable storage apparatus using first and second bias magnetic fields
FUJITSU LTD56 citations95
US6088765AJul 11, 2000
Removable medium data storage apparatus, optical disk apparatus and data transfer control method
FUJITSU LTD20 citations90
US5829017AOct 27, 1998
Removable medium data storage with pre-reading before issuance of a first read command
FUJITSU LTD17 citations90
US6563776B1May 13, 2003
Information storage apparatus for monitoring a number of defective sectors included in a zone so as to select a substitutional area from a different zone
FUJITSU LTD20 citations85
US6434106B1Aug 13, 2002
Optical information storage unit and laser power control method
FUJITSU LTD14 citations81
US6131137AOct 10, 2000
Drive control unit and optical memory apparatus
FUJITSU LTD0 citations51