Average Co-Inventor Count = 3.33
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. Carrier Corporation (3 from 3,958 patents)
2. Otis Elevator Company (1 from 2,624 patents)
3. Collins Aerospace Ireland, Limited (6 patents)
4 patents:
1. 11941960 - Radio frequency presence alert system
2. 11410478 - Visualization and management of access levels for access control based al hierarchy
3. 11040851 - Elevator system passenger frustration reduction
4. 10935265 - Biometric air conditioning control system