Inventor · disambiguated record
Hiroyuki Ikejima
Also filed as: IKEJIMA HIROYUKI
15 granted patents·283 citations·filing 1982–1994
94Inventor score
Top patents by PatentIndex Score
15 records- 0187US5141082ALinear motor elevator systemISHII TOSHIAKI·Filed 1991·Granted Aug 25, 1992·56 cites·15 claims
- 0282US5183980ALinear motor elevator device with a null-flux position adjustmentMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Feb 2, 1993·37 cites·4 claims
- 0373US4482031AAC elevator control apparatusMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Nov 13, 1984·21 cites·10 claims
- 0460US5542501AApparatus for controlling an elevator to reduce vibrations created in a linear drive motorMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Aug 6, 1996·21 cites·11 claims
- 0558US5402863AApparatus 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
- 0658US4454930AApparatus for controlling an AC power elevatorMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Jun 19, 1984·14 cites·3 claims
- 0756US5158156ALinear motor elevator with support wings for mounting secondary side magnets on an elevator carMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Oct 27, 1992·17 cites·6 claims
- 0856US4815567AApparatus for controlling an A.C. powered elevatorMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Mar 28, 1989·14 cites·2 claims
- 0955US4719995AControl apparatus for A.C. elevatorMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jan 19, 1988·14 cites·8 claims
- 1054US5174416ALinear induction motor for elevatorMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 29, 1992·16 cites·6 claims
- 1154US4681191ASpeed control apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jul 21, 1987·14 cites·9 claims
- 1252US4516664AApparatus for controlling an A-C powered elevatorMITSUBISHI ELECTRIC CORP·Filed 1983·Granted May 14, 1985·11 cites·6 claims
- 1345US4625159AControl apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Nov 25, 1986·10 cites·5 claims
- 1441US5441127AElevator control apparatusMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 15, 1995·14 cites·7 claims
- 1537US4817761AControl apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 4, 1989·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →