Average Co-Inventor Count = 4.00
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 14,087 patents)
2. Other (1 from 832,912 patents)
2 patents:
1. 8753434 - Zinc oxide containing filter media and methods of forming the same
2. 8585808 - Zinc oxide containing filter media and methods of forming the same