Average Co-Inventor Count = 6.31
ph-index = 5
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. (4 from 759 patents)
2. Courtaulds Fibres (holdings) Ltd. (1 from 38 patents)
5 patents:
1. 5997691 - Method and apparatus for applying a material to a web
2. 5738119 - Filter materials
3. 5474095 - Paper having crossdirectional regions of variable basis weight
4. 5417228 - Smoking article wrapper for controlling burn rate and method for making
5. 5263999 - Smoking article wrapper for controlling burn rate and method for making