Inventor · disambiguated record
Seiitsu Nigawara
Also filed as: NIGAWARA SEIITSU
16 granted patents·1,108 citations·filing 1984–1994
96Inventor score
Files withHITACHI LTD16
Top patents by PatentIndex Score
16 records- 0196US5333240ANeural network state diagnostic system for equipmentHITACHI LTD·Filed 1990·Granted Jul 26, 1994·234 cites·23 claims
- 0294US5305230AProcess control system and power plant process control systemHITACHI LTD·Filed 1990·Granted Apr 19, 1994·196 cites·22 claims
- 0394US5249260AData input systemHITACHI LTD·Filed 1991·Granted Sep 28, 1993·144 cites·12 claims
- 0493US4914705AVoice message announcing method and system for plantHITACHI LTD·Filed 1987·Granted Apr 3, 1990·118 cites·11 claims
- 0588US5493729AKnowledge data base processing system and expert systemHITACHI LTD·Filed 1994·Granted Feb 20, 1996·83 cites·15 claims
- 0684US4558227AMethod of controlling operation of thermoelectric power stationHITACHI LTD·Filed 1984·Granted Dec 10, 1985·39 cites·7 claims
- 0782US5771043AMethod and apparatus for displaying operating procedureHITACHI LTD·Filed 1994·Granted Jun 23, 1998·76 cites·87 claims
- 0881US5410883AControl system for plantHITACHI LTD·Filed 1992·Granted May 2, 1995·44 cites·8 claims
- 0975US4707778AController for heat power plantHITACHI LTD·Filed 1985·Granted Nov 17, 1987·30 cites·10 claims
- 1072US5353400AControl system for an industrial plant, a display device for such a control system, and a method of controlling an industrial plantHITACHI LTD·Filed 1990·Granted Oct 4, 1994·43 cites·25 claims
- 1159US5095365ASystem for monitoring operating state of devices according to their degree of importanceHITACHI LTD·Filed 1990·Granted Mar 10, 1992·36 cites·21 claims
- 1256US5414798AKnowledge information generating systemHITACHI LTD·Filed 1988·Granted May 9, 1995·16 cites·9 claims
- 1354US5258652ADistributed plant control systemHITACHI LTD·Filed 1992·Granted Nov 2, 1993·29 cites·26 claims
- 1438US5436511AApparatus for interrupting supply of power from power system to portion of consumer load in response to control signal from power systemHITACHI LTD·Filed 1992·Granted Jul 25, 1995·12 cites·6 claims
- 1535US5012766ASafeguard arrangement for plantHITACHI LTD·Filed 1990·Granted May 7, 1991·6 cites·4 claims
- 1629US4905632ASafeguard arrangement for plantHITACHI LTD·Filed 1988·Granted Mar 6, 1990·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →