Average Co-Inventor Count = 1.50
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 Inc. (1 from 759 patents)
2. Philip Morris USA Inc. (1 from 734 patents)
2 patents:
1. 7757698 - Inhaler device
2. 5228462 - Cigarette inspection device