Inventor · disambiguated record
Kazuhira Ojima
Also filed as: OJIMA KAZUHIRA
9 granted patents·170 citations·filing 1989–1999
89Inventor score
Technology areasB66B
Files withHITACHI LTD9
Top patents by PatentIndex Score
9 records- 0189US5295568APassenger conveyor and treadboard construction for passenger conveyorHITACHI LTD·Filed 1993·Granted Mar 22, 1994·46 cites·19 claims
- 0286US5526256APassenger conveyer control apparatusHITACHI LTD·Filed 1994·Granted Jun 11, 1996·44 cites·17 claims
- 0376US4984673AStep of passenger conveyor method of manufacturing same, and wavy metal plateHITACHI LTD·Filed 1989·Granted Jan 15, 1991·32 cites·3 claims
- 0446US5135097APeople mover apparatusHITACHI LTD·Filed 1991·Granted Aug 4, 1992·13 cites·16 claims
- 0543US5291982APassenger conveyor, platform floor for passenger conveyor, and comb for platform floorHITACHI LTD·Filed 1993·Granted Mar 8, 1994·11 cites·14 claims
- 0640US5178254APassenger conveyorHITACHI LTD·Filed 1990·Granted Jan 12, 1993·11 cites·17 claims
- 0737US5386904AEscalator apparatus and method of operationHITACHI LTD·Filed 1994·Granted Feb 7, 1995·7 cites·13 claims
- 0834US6390270B1EscalatorHITACHI LTD·Filed 1999·Granted May 21, 2002·6 cites·20 claims
- 0927US5526919AEscalator apparatus and method of operationHITACHI LTD·Filed 1995·Granted Jun 18, 1996·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →