Average Co-Inventor Count = 7.00
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 (3 from 2,614 patents)
3 patents:
1. 10968075 - Elevator car location zones in hoistway
2. 10914097 - Landing door lock failsafe protection device
3. 10703608 - Deterrent device inhibition key