Average Co-Inventor Count = 2.77
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. Brown & Williamson Tobacco Corporation (3 from 282 patents)
3 patents:
1. 4733796 - Cigarette package
2. 4620557 - Cigarette having a mouthpiece and method of making same
3. 4540005 - Cigarette having a mouthpiece