Average Co-Inventor Count = 4.29
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 2,614 patents)
3 patents:
1. 10669125 - Elevator rope guide system
2. 10259683 - Method for controlling an elevator system
3. 9994429 - Handrail with a built-in RBI