Average Co-Inventor Count = 2.82
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. 11542119 - Elevator access systems for elevators
2. 11124385 - Elevator access systems for elevators
3. 10822201 - Elevator landing door unlocking system
4. 9758344 - Elevator travelling cable protection