Average Co-Inventor Count = 2.00
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. Brown & Williamson Tobacco Corporation (1 from 282 patents)
1 patent:
1. 5318201 - Apparatus for agitating cigarette filters in a filter hopper