Average Co-Inventor Count = 2.40
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. Irobot Corporation (2 from 836 patents)
2 patents:
1. D776378 - Floor cleaning roller core
2. D774263 - Floor cleaning roller core