Inventor · disambiguated record
Toshihiko Nara
Also filed as: NARA TOSHIHIKO
10 granted patents·321 citations·filing 1972–1991
92Inventor score
Files withHITACHI LTD10
Top patents by PatentIndex Score
10 records- 0195US5086882AElevator apparatus provided with guiding device used for preventing passenger cage vibrationHITACHI LTD·Filed 1990·Granted Feb 11, 1992·62 cites·16 claims
- 0290US5154261AElectromagnetic disc brake for elevator lifting apparatusHITACHI LTD·Filed 1990·Granted Oct 13, 1992·60 cites·14 claims
- 0389US5090515APassenger transport installation, vehicle for use therein, and method of operating said installationHITACHI LTD·Filed 1990·Granted Feb 25, 1992·51 cites·8 claims
- 0483US4830146AFluid-pressure elevatorHITACHI LTD·Filed 1987·Granted May 16, 1989·37 cites·2 claims
- 0580US4117908AElevator having rope guide meansHITACHI LTD·Filed 1972·Granted Oct 3, 1978·31 cites·11 claims
- 0678US5067593ABraking device for elevator winding machine and elevator using the braking deviceHITACHI LTD·Filed 1989·Granted Nov 26, 1991·24 cites·23 claims
- 0776US3991856AElevator cable oscillation-absorbing deviceHITACHI LTD·Filed 1974·Granted Nov 16, 1976·26 cites·12 claims
- 0845US5193651AElevator apparatusHITACHI LTD·Filed 1991·Granted Mar 16, 1993·13 cites·16 claims
- 0939US4846309AElevator hoisting apparatusHITACHI LTD·Filed 1987·Granted Jul 11, 1989·11 cites·6 claims
- 1038US4775031AHydraulic elevator and control method thereofHITACHI LTD·Filed 1987·Granted Oct 4, 1988·6 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →