Average Co-Inventor Count = 3.00
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. 3m Innovative Properties Company (1 from 14,059 patents)
1 patent:
1. 8534279 - Respirator system including convertible head covering member