Average Co-Inventor Count = 6.00
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 USA Inc. (5 from 731 patents)
2. Philip Morris Products S.a. (1,280 patents)
5 patents:
1. 12075817 - Smoking article with heat resistant sheet material
2. 11224249 - Smoking article with heat resistant sheet material
3. 10314331 - Smoking article with heat resistant sheet material
4. 9730468 - Smoking article with heat resistant sheet material
5. 8915255 - Smoking article with heat resistant sheet material