Average Co-Inventor Count = 3.33
ph-index = 3
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 2,619 patents)
4 patents:
1. 5842554 - Passenger sensor for a conveyor
2. 5782330 - Information display and control device for a passenger conveyor
3. 5704464 - Passenger sensor for an escalator or moving walk
4. 5697485 - Passenger conveyor control system having decentralized inputs and outputs