Average Co-Inventor Count = 7.63
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. Rf Technologies Corporation (3 from 25 patents)
3 patents:
1. D772837 - Call device
2. D736738 - Call device
3. D727321 - Door controller