Average Co-Inventor Count = 4.20
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. Philip Morris Inc. (2 from 759 patents)
2 patents:
1. 4607646 - Process for modifying the smoke flavor characteristics of tobacco
2. 4497330 - Process for increasing the filling power of tobacco