Average Co-Inventor Count = 1.33
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. 4498390 - Method and apparatus for embossing foil
2. 4217694 - Apparatus and method for checking score lines in flat package blanks