Assignee
NIPPON OTIS ELEVATOR COMPANY
JP·3 granted patents·1 pending application·8 citations·filing 1976–2018
Technology mixB66B4
Top patents by PatentIndex Score
4 records- 0169US11465879B2Elevator rope maintenance methodNIPPON OTIS ELEVATOR COMPANY·Filed 2018·Granted Oct 11, 2022·1 cites·3 claims
- 0238US2019210834A1Door rail monitoringNIPPON OTIS ELEVATOR COMPANY·Filed 2018·Application pending·0 cites
- 0327US4084662AControl apparatus for an elevator systemNIPPON OTIS ELEVATOR COMPANY·Filed 1976·Granted Apr 18, 1978·4 cites·4 claims
- 0423US4095678AControl apparatus for an elevator systemNIPPON OTIS ELEVATOR COMPANY·Filed 1976·Granted Jun 20, 1978·3 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →