Inventor
TOMIZAWA HIROSHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TOMIZAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS4704714ANov 3, 1987
Method of detecting recovery from fault in a data transmission system which effects loopback control
HITACHI LTD27 citations92
US5517669AMay 14, 1996
Cyclic data communication system
HITACHI LTD12 citations72
US5497370AMar 5, 1996
Network system
HITACHI LTD16 citations72
US4510494AApr 9, 1985
Loop type data highway system
HITACHI LTD3 citations61