Average Co-Inventor Count = 4.61
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. 3m Innovative Properties Company (2 from 14,059 patents)
2 patents:
1. 8342180 - Filtering face-piece respirator that has expandable mask body
2. D613265 - Headband