Inventor · disambiguated record
Shigemi Iwata
Also filed as: IWATA SHIGEMI
15 granted patents·229 citations·filing 1980–1993
93Inventor score
Top patents by PatentIndex Score
15 records- 0174US5086450AEmergency intercommunication system for elevatorMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 4, 1992·75 cites·6 claims
- 0272US5137118AApparatus for controlling the opening and closing of electric doorsMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Aug 11, 1992·30 cites·7 claims
- 0358US5402863AApparatus to automatically adjust spring tension of an elevator brake to maintain brake torqueMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Apr 4, 1995·17 cites·10 claims
- 0457US5012899AApparatus for controlling an elevatorMITSUBISHI ELECTRIC CORP·Filed 1989·Granted May 7, 1991·16 cites·5 claims
- 0556US4832159AElevator control apparatusMITSUBISHI ELECTRIC CORP·Filed 1988·Granted May 23, 1989·12 cites·3 claims
- 0653US5085294AElevator control apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 4, 1992·17 cites·5 claims
- 0750US4389631AElevator position detecting deviceMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Jun 21, 1983·12 cites·8 claims
- 0846US4691807AElevator control apparatusMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Sep 8, 1987·12 cites·7 claims
- 0944US4356896AElevator terminal deceleration systemMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Nov 2, 1982·9 cites·1 claims
- 1040US4716517AApparatus for controlling an elevatorMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Dec 29, 1987·9 cites·7 claims
- 1137US4817761AControl apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 4, 1989·7 cites·10 claims
- 1234US4742892AControl apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1987·Granted May 10, 1988·6 cites·4 claims
- 1329US5050709AElevator control apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Sep 24, 1991·3 cites·4 claims
- 1427US4944369ASafety device for elevatorMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jul 31, 1990·1 cites·9 claims
- 1525US4984660AApparatus for controlling an elevatorMITSUBISHI KENKI·Filed 1989·Granted Jan 15, 1991·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →