Average Co-Inventor Count = 5.00
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 (4 from 14,076 patents)
4 patents:
1. 10618234 - Retroreflective sheeting
2. 9878507 - Retroflective sheeting
3. 8783879 - Retroreflective sheeting
4. 8371703 - Retroreflective sheeting