Average Co-Inventor Count = 2.67
ph-index = 4
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. 10029884 - Building management system integrated with elevator display
2. 8556043 - Passive detection of persons in elevator hoistway
3. 7350626 - Power-on-reset of elevator controllers
4. 5398782 - Remote monitoring system with variable period communication check