Inventor

KOZU EIJI

JP5 patents

Patents

5 patents

US4799161AJan 17, 1989

Control apparatus for maintaining traction in electric rolling stock

HITACHI LTD56 citations90

US4216420AAug 5, 1980

Braking control system selectively operable in dynamic and regenerative braking operation for electric car

HITACHI LTD41 citations84

US4327313AApr 27, 1982

Control apparatus for electric car

HITACHI LTD27 citations81

US4801855AJan 31, 1989

Method and system for controlling chopper

HITACHI LTD9 citations72

US4752723AJun 21, 1988

Chopper control system

HITACHI LTD2 citations60