Average Co-Inventor Count = 5.71
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Otis Elevator Company (5 from 2,614 patents)
5 patents:
1. 11078050 - Speed detection device and passenger conveyer device
2. 10282847 - Monitoring system of a passenger conveyor and monitoring method thereof
3. 10221046 - System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof
4. 10183843 - Monitoring of step rollers and maintenance mechanics of passenger conveyors
5. 10173864 - System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof