Average Co-Inventor Count = 5.60
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. Rothmans, Benson & Hedges, Inc. (2 from 40 patents)
2. Roths, Benson & Hedges Inc. (1 from 1 patent)
3 patents:
1. 6443161 - Make-your-own cigarette
2. 5379788 - Multiple-smoking cigarette system
3. 5374869 - Cigarette system