Average Co-Inventor Count = 3.00
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 14,084 patents)
4 patents:
1. 9234990 - Exposed lens retroreflective article
2. 9217817 - Retroreflective appliques and articles
3. 9217816 - Retroreflective articles and appliques
4. 8851688 - Exposed lens retroreflective article