Inventor
FUKUZAWA JUNJI
JP8 patents
Patents
8 patentsUS5452448ASep 19, 1995
Method of replicate file updating by monitoring file accesses and system therefor
HITACHI LTD134 citations97
US5625675AApr 29, 1997
Voice mail communication system
HITACHI LTD222 citations96
US5247620ASep 21, 1993
Bridge apparatus with an address check circuit for interconnecting networks
HITACHI LTD52 citations92
US7945614B2May 17, 2011
Space-time communication system
HITACHI LTD17 citations83
US5497374AMar 5, 1996
Data transmission method and system thereof
HITACHI LTD14 citations71
US5426638AJun 20, 1995
Transmission method and system thereof
HITACHI LTD14 citations71
US7606859B2Oct 20, 2009
Multimedia communication system
HITACHI LTD6 citations62
US7606913B2Oct 20, 2009
Presence management apparatus
HITACHI LTD3 citations62