Average Co-Inventor Count = 7.87
ph-index = 6
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 (5 from 2,614 patents)
2. Utc Fire and Security Corporation (2 from 76 patents)
3. Chubb Protection Corporation (1 from 2 patents)
8 patents:
1. 8964029 - Method and device for consistent region of interest
2. 8356698 - Wireless elevator hall fixtures integral with hall door frame
3. 8020672 - Video aided system for elevator control
4. 8013737 - Voice recorder based position registration
5. D585037 - Digital video recorder
6. 7479861 - Inductively coupled power, useful for wireless elevator hall fixtures
7. 7426981 - Elevator wireless communication infrastructure using piconet modules
8. 7264090 - Elevator employing radio frequency identification devices (RFIDs)