Average Co-Inventor Count = 3.64
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 (4 from 2,614 patents)
4 patents:
1. 11332346 - Elevator landing door unlocking system
2. 11286134 - Elevator car door coupling systems
3. 11136217 - Elevator access systems for elevators
4. 11124385 - Elevator access systems for elevators