Average Co-Inventor Count = 4.00
ph-index = 1
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 (2 from 2,626 patents)
2 patents:
1. 11981536 - Elevator car with blocking member for foldable working platform
2. 11858777 - Elevator car with moving electrical box