Average Co-Inventor Count = 7.70
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 14,087 patents)
4 patents:
1. 12286345 - Filter assembly
2. D866893 - Scouring sponge
3. D864507 - Scouring pad
4. D862020 - Scouring sponge