Average Co-Inventor Count = 1.76
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. (2 from 759 patents)
2. Other (1 from 832,843 patents)
3 patents:
1. 5024242 - Methods and apparatus for making multiple component smoking articles
2. 4789321 - Carbon black pelletizer
3. 4308776 - Web sectioning apparatus with adjustable knife engagement