Average Co-Inventor Count = 3.00
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 14,076 patents)
2 patents:
1. 8522388 - Self-wringing mop
2. D620215 - Cleaning tool