Inventor
OJIMA KAZUHIRA
JP9 patents
Patents
9 patentsUS5295568AMar 22, 1994
Passenger conveyor and treadboard construction for passenger conveyor
HITACHI LTD46 citations92
US5526256AJun 11, 1996
Passenger conveyer control apparatus
HITACHI LTD44 citations91
US4984673AJan 15, 1991
Step of passenger conveyor method of manufacturing same, and wavy metal plate
HITACHI LTD32 citations88
US5291982AMar 8, 1994
Passenger conveyor, platform floor for passenger conveyor, and comb for platform floor
HITACHI LTD11 citations72
US5386904AFeb 7, 1995
Escalator apparatus and method of operation
HITACHI LTD7 citations71
US5178254AJan 12, 1993
Passenger conveyor
HITACHI LTD11 citations70
US5135097AAug 4, 1992
People mover apparatus
HITACHI LTD13 citations70
US6390270B1May 21, 2002
Escalator
HITACHI LTD6 citations61
US5526919AJun 18, 1996
Escalator apparatus and method of operation
HITACHI LTD0 citations49