Average Co-Inventor Count = 1.20
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. Packaging Corporation of America (3 from 140 patents)
3 patents:
1. 9540133 - Box forming structure and box erected therefrom
2. 8998074 - Displayable shipping container
3. 7080736 - Easily displayable shipping container