Average Co-Inventor Count = 2.86
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. Philip Morris Inc. (2 from 759 patents)
2 patents:
1. 5169481 - Apparatus making thin laminate structures and forming the structures
2. 4588081 - Folding carton and blank therefor, for cigarettes