Average Co-Inventor Count = 6.21
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 (3 from 14,087 patents)
3 patents:
1. 7700178 - Cleaning wipe with variable loft working surface
2. 7540056 - Cleaning tool
3. D549410 - Floor sweeper