Average Co-Inventor Count = 3.00
ph-index = 2
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. Kone Corporation (3 from 1,036 patents)
3 patents:
1. 11217054 - Access gate arrangement
2. D939926 - Electronic key
3. D885163 - Electronic key