Inventor
NIGAWARA SEIITSU
JP16 patents
Patents
16 patentsUS5333240AJul 26, 1994
Neural network state diagnostic system for equipment
HITACHI LTD234 citations99
US5305230AApr 19, 1994
Process control system and power plant process control system
HITACHI LTD196 citations98
US5249260ASep 28, 1993
Data input system
HITACHI LTD144 citations97
US4914705AApr 3, 1990
Voice message announcing method and system for plant
HITACHI LTD118 citations96
US5493729AFeb 20, 1996
Knowledge data base processing system and expert system
HITACHI LTD83 citations95
US5771043AJun 23, 1998
Method and apparatus for displaying operating procedure
HITACHI LTD76 citations93
US5410883AMay 2, 1995
Control system for plant
HITACHI LTD44 citations92
US5258652ANov 2, 1993
Distributed plant control system
HITACHI LTD29 citations92
US5095365AMar 10, 1992
System for monitoring operating state of devices according to their degree of importance
HITACHI LTD36 citations92
US4707778ANov 17, 1987
Controller for heat power plant
HITACHI LTD30 citations91
US4558227ADec 10, 1985
Method of controlling operation of thermoelectric power station
HITACHI LTD39 citations90
US5353400AOct 4, 1994
Control system for an industrial plant, a display device for such a control system, and a method of controlling an industrial plant
HITACHI LTD43 citations89
US5436511AJul 25, 1995
Apparatus for interrupting supply of power from power system to portion of consumer load in response to control signal from power system
HITACHI LTD12 citations73
US5414798AMay 9, 1995
Knowledge information generating system
HITACHI LTD16 citations73
US5012766AMay 7, 1991
Safeguard arrangement for plant
HITACHI LTD6 citations60
US4905632AMar 6, 1990
Safeguard arrangement for plant
HITACHI LTD2 citations60