Inventor · disambiguated record
Matsuhiko Ishida
Also filed as: ISHIDA MATSUHIKO
5 granted patents·124 citations·filing 1974–1985
82Inventor score
Technology areasB66B
Files withMITSUBISHI ELECTRIC CORP5
Top patents by PatentIndex Score
5 records- 0187US4681207AEscalatorMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jul 21, 1987·53 cites·5 claims
- 0272US4569433AEscalator system with a drop-down stepMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Feb 11, 1986·24 cites·3 claims
- 0369US4557369AMoving staircaseMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Dec 10, 1985·21 cites·8 claims
- 0461US3970187ASafety device for passenger conveyorMITSUBISHI ELECTRIC CORP·Filed 1974·Granted Jul 20, 1976·18 cites·4 claims
- 0539US4483432ASteps in an escalatorMITSUBISHI ELECTRIC CORP·Filed 1981·Granted Nov 20, 1984·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →