Average Co-Inventor Count = 8.57
ph-index = 3
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. (3 from 759 patents)
3 patents:
1. 5345951 - Smoking article
2. 4991606 - Smoking article
3. 4966171 - Smoking article