Inventor
TERADA MATSUAKI
JP13 patents
Patents
13 patentsUS5303344AApr 12, 1994
Protocol processing apparatus for use in interfacing network connected computer systems utilizing separate paths for control information and data transfer
HITACHI LTD200 citations98
US5056058AOct 8, 1991
Communication protocol for predicting communication frame type in high-speed processing system
HITACHI LTD157 citations98
US5086426AFeb 4, 1992
Communication network system having a plurality of different protocal LAN's
HITACHI LTD118 citations96
US5018133AMay 21, 1991
Network system comprising a plurality of LANs using hierarchical routing
HITACHI LTD277 citations96
US4941084AJul 10, 1990
System for locating resources resided in a distributing processing system by sequentially transmitting resource inquiries through a looped transmission line
HITACHI LTD281 citations96
US4453247AJun 5, 1984
Speech packet switching method and device
HITACHI LTD178 citations96
US5150365ASep 22, 1992
Communication system for coexistent base band and broad band signals
HITACHI LTD62 citations94
US5247620ASep 21, 1993
Bridge apparatus with an address check circuit for interconnecting networks
HITACHI LTD52 citations92
US5247518ASep 21, 1993
High-speed ring lan system
HITACHI LTD49 citations92
US5103447AApr 7, 1992
High-speed ring LAN system
HITACHI LTD49 citations92
US4881167ANov 14, 1989
Data memory system
HITACHI LTD46 citations92
US4447871AMay 8, 1984
Data communication system with a front-end-processor
HITACHI LTD27 citations92
US4516221AMay 7, 1985
Data communication system
HITACHI LTD21 citations80