Average Co-Inventor Count = 3.43
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. 3m Innovative Properties Company (4 from 14,059 patents)
4 patents:
1. 8182914 - Water contact indicator
2. 7744997 - Water contact indicator
3. 7732046 - Water contact indicator
4. 7105225 - Water contract indicator