Average Co-Inventor Count = 4.50
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. (2 from 734 patents)
2. Philip Morris Inc. (1 from 759 patents)
3 patents:
1. 9119421 - Cigarette wrapper with printed catalyst
2. 6869275 - Piezoelectrically driven fluids pump and piezoelectric fluid valve
3. 4657144 - Method and apparatus for detecting and removing foreign material from a