Inventor

ISHIDA MATSUHIKO

JP5 patents

Patents

5 patents

US4681207AJul 21, 1987

Escalator

MITSUBISHI ELECTRIC CORP53 citations89

US4557369ADec 10, 1985

Moving staircase

MITSUBISHI ELECTRIC CORP21 citations80

US4569433AFeb 11, 1986

Escalator system with a drop-down step

MITSUBISHI ELECTRIC CORP24 citations77

US4483432ANov 20, 1984

Steps in an escalator

MITSUBISHI ELECTRIC CORP8 citations71

US3970187AJul 20, 1976

Safety device for passenger conveyor

MITSUBISHI ELECTRIC CORP18 citations67