Average Co-Inventor Count = 2.26
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 (3 from 2,625 patents)
2. Vitec Videocom Gmbh (1 from 6 patents)
4 patents:
1. 10749359 - Workstation power system
2. 7987947 - Call indicator provided near elevator car currently assigned to the call
3. 7152714 - Elevator car separation based on response time
4. 6419051 - Control system and control method for reassigning the cars of a double-deck elevator