Inventor
KAKUSE KATSUHARU
JP5 patents
Patents
5 patentsUS5235641AAug 10, 1993
File encryption method and file cryptographic system
HITACHI LTD259 citations97
US5388016AFeb 7, 1995
Magnetic tape data management method and apparatus
HITACHI LTD37 citations91
US4663752AMay 5, 1987
Sector mark signal control circuit for disc apparatus
HITACHI LTD26 citations91
US4586027AApr 29, 1986
Method and system for data compression and restoration
HITACHI LTD104 citations90
US5163134ANov 10, 1992
Method and apparatus for controlling data writing in magnetic recording subsystem
HITACHI LTD3 citations60