Inventor
HOSHI TOHRU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “HOSHI TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS6078583AJun 20, 2000
Communication method and communication system
HITACHI LTD193 citations98
US5905495AMay 18, 1999
Communication system using electronic mail
HITACHI LTD96 citations98
US6249767B1Jun 19, 2001
Portable information terminal surrounding formulation of an optimum plan
HITACHI LTD92 citations97
US6483835B1Nov 19, 2002
Communication system with communication route retrieval and selection function
HITACHI LTD31 citations92
US5550978AAug 27, 1996
Multiprocessor system having switches for routing cells in parallel among processors by splitting data into blocks having numbers of cells equals to proccessor bus width
HITACHI LTD30 citations92
US4771424ASep 13, 1988
Routing control method in a packet switching network
HITACHI LTD49 citations91
US6826167B2Nov 30, 2004
Mobile communication system
HITACHI LTD14 citations81
US4024352AMay 17, 1977
Cross-point switch matrix and multiswitching network using the same
HITACHI LTD14 citations72
US7145901B2Dec 5, 2006
Method of requesting security and release of communication band
HITACHI LTD3 citations62
US5758082AMay 26, 1998
Mail terminal equipment
HITACHI LTD3 citations62
US4837816AJun 6, 1989
Communication system using switching apparatus
HITACHI LTD6 citations62