Average Co-Inventor Count = 3.60
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 (3 from 2,623 patents)
3 patents:
1. 10259683 - Method for controlling an elevator system
2. 9994429 - Handrail with a built-in RBI
3. 8069957 - Elevator display system providing an indication of an estimated arrival of an elevator car