Average Co-Inventor Count = 2.67
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 2,626 patents)
4 patents:
1. D335407 - Cabinet door
2. 5039832 - Touch button light ring system
3. D317418 - Graphic and information display module face plate for hall mounted
4. D317138 - Hall location direction panel for elevators