Inventor
TSUKIYAMA TOKUHIRO
JP8 patents
Patents
8 patentsUS6950871B1Sep 27, 2005
Computer system having a storage area network and method of handling data in the computer system
HITACHI LTD155 citations97
US5235641AAug 10, 1993
File encryption method and file cryptographic system
HITACHI LTD259 citations97
US4872009AOct 3, 1989
Method and apparatus for data compression and restoration
HITACHI LTD127 citations95
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
US4758899AJul 19, 1988
Data compression control device
HITACHI LTD18 citations72
US5093831AMar 3, 1992
Fast calculation circuit for cyclic redundancy check code
HITACHI LTD12 citations68
US4866440ASep 12, 1989
Method for compressing and restoring data series and apparatus for realizing same
HITACHI LTD10 citations67