Average Co-Inventor Count = 1.50
ph-index = 4
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 (4 from 282 patents)
4 patents:
1. 6131584 - Tobacco treatment process
2. 5094253 - Dye for coloring cigarette paper
3. 4990284 - Moisture indicating ink and package having same
4. 4893638 - Cigarette