Average Co-Inventor Count = 3.00
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 USA Inc. (2 from 734 patents)
2 patents:
1. 9295284 - Apparatus for introducing objects into a smoking article filter
2. 8408215 - Filter making apparatus