Average Co-Inventor Count = 2.00
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 2,619 patents)
2 patents:
1. 11827491 - Elevator service request using user device
2. 9156653 - Controlling access to floors within a building via elevators