Inventor
SATOMI SHIGEKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SATOMI SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS5193086AMar 9, 1993
Network system having a line switching function
HITACHI LTD46 citations92
US6516424B2Feb 4, 2003
System for providing reliable and effective disaster relief
HITACHI LTD17 citations91
US6347384B1Feb 12, 2002
System for providing reliable and effective disaster relief
HITACHI LTD39 citations91
US6823389B1Nov 23, 2004
Method and system for providing an on-line service and computer readable storage medium
HITACHI LTD19 citations90
US5384783AJan 24, 1995
Network system and line switching method used therein
HITACHI LTD10 citations73
US5448634ASep 5, 1995
Method and apparatus for data transfer and circuit setting for communication network system
HITACHI LTD8 citations70
US5226037AJul 6, 1993
Line switching system
HITACHI LTD18 citations70
US5483519AJan 9, 1996
Method and apparatus for line switching
HITACHI LTD11 citations68
US7313624B2Dec 25, 2007
Method and system for providing an on-line service and computer readable storage medium
HITACHI LTD4 citations60
US6628778B1Sep 30, 2003
Automatic relay method and storage medium containing automatic relay processing program
HITACHI LTD3 citations60