Average Co-Inventor Count = 9.00
ph-index = 1
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 Products Inc. (1 from 31 patents)
2. Philip Morris Management Corp. (1 from 4 patents)
2 patents:
1. 5425218 - Method for making a heatsealable carton
2. 5249416 - Cigarette packaging machine and apparatus